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Understanding the forces acting in self-assembly and the implications for constructing three-dimensional (3D) supercrystals

Chenyu Wang1, Carrie Siu2, Jun Zhang3, and Jiye Fang1,2 (*)

1 Department of Chemistry, State University of New York at Binghamton, Binghamton, New York 13902, USA
2 Materials Science and Engineering Program, State University of New York at Binghamton, Binghamton, New York 13902, USA
3 State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum, Qingdao 266580, China

DOI 10.1007/s12274-015-0767-1

Nano Research 2015, 8(8): 2445每2466

Address correspondence to jfang@binghamton.edu

We outline the many forces responsible for 3D self-assembly of inorganic nanoparticles with an assortment of fabricated inorganic superstructures by rationally devising these interparticle interactions under different scenarios.

    

Flow-induced voltage generation in graphene network

Junchao Lao1,2,∫, Yijia He2,3,∫, Xiao Li3, Fuzhang Wu1,2, Tingting Yang2,3, Miao Zhu2,3, Yangyang Zhang3, Pengzhan Sun3, Zhen Zhen2,3, Baochang Cheng1, and Hongwei Zhu2,3 (*)

1 Institute for Advanced Study, Nanchang University, Nanchang 330031, China
2 Center for Nano and Micro Mechanics, Tsinghua University, Beijing 100084, China
3 School of Materials Science and Engineering, State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing 100084, China
These authors contributed equally to this work.

DOI 10.1007/s12274-015-0754-6

Nano Research 2015, 8(8): 2467每2473

Address correspondence to hongweizhu@tsinghua.edu.cn

Voltages of up to several hundred millivolts are generated under ambient conditions from a graphene network in response to the movement of droplets of ionic solution over a graphene strip.

    

Stable high-performance hybrid perovskite solar cells with ultrathin polythiophene as hole-transporting layer

Weibo Yan1, Yunlong Li1, Yu Li2, Senyun Ye1, Zhiwei Liu1, Shufeng Wang2 (*), Zuqiang Bian1 (*), Chunhui Huang1 (*)

1 State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
2 State Key Laboratory for Mesoscopic Physics, Department of Physics, Peking University, Beijing 100871, China

DOI 10.1007/s12274-015-0755-5

Nano Research 2015, 8(8): 2474每2480

Address correspondence to Zuqiang Bian, email bianzq@pku.edu.cn; Shufeng Wang, email wangsf@pku.edu.cn

Hybrid CH3NH3PbI3 perovskite solar cells with ultrathin polythiophene as a hole-transporting layer show a low carrier recombination rate and fast hole-transfer, producing high-performance devices with excellent stability.

    

Energy harvesting model of moving water inside a tubular system and its application of a stick-type compact triboelectric nanogenerator

Dongwhi Choi1,∫, Sangmin Lee2,∫, Sang Min Park1, Handong Cho1, Woonbong Hwang1, and Dong Sung Kim1 (*)

1 Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), 77 Cheongam-ro, Pohang, Gyeongbuk, 790-784, South Korea
2 School of Mechanical Engineering, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul, 156-756, South Korea
These authors contributed equally to this work.

DOI 10.1007/s12274-015-0756-4

Nano Research 2015, 8(8): 2481每2491

Address correspondence to Dong Sung Kim, smkds@postech.ac.kr

A stick-type compact solid每water interacting triboelectric nanogenerator, called a SWING stick, is fabricated by utilizing anodized aluminum oxide (AAO) nanostructures on a curved aluminum tube. When applied in a compact design, the fundamental mechanism of solid-water contact electrification could be easily explored with highly controllable system.

    

Enhanced Li+ storage properties of few-layered MoS2每C composite microspheres embedded with Si nanopowder

Seung Ho Choi and Yun Chan Kang (*)

Department of Materials Science and Engineering, Korea University, Anam-Dong, Seongbuk-Gu, Seoul 136-713, Republic of Korea

DOI 10.1007/s12274-015-0757-3

Nano Research 2015, 8(8): 2492每2502

Address correspondence to yckang@korea.ac.kr

A few-layered MoS2每C composite with high capacity and good cycling performance is successfully applied as a protective matrix for Si nanopowder. The MoS2每C composite material accommodates the large volume expansion of the Si nanopowder, but also prevents the formation and propagation of a SEI layer on the Si surface during repeated electrovoltaic cycling. MoS2每C composite microspheres embedded with 30 wt.% Si nanopowder with enhanced Li+ storage properties are evaluated as a novel anode material with superior electrochemical properties for lithium-ion batteries.

    

Monodisperse core-shell structured magnetic meso- porous aluminosilicate nanospheres with large dendritic mesochannels

Jianping Yang1,2,3, Dengke Shen2,4, Yong Wei2, Wei Li2, Fan Zhang2, Biao Kong2, Shaohua Zhang3, Wei Teng1, Jianwei Fan1, Weixian Zhang1 (*), Shixue Dou3, and Dongyuan Zhao2 (*)

1 College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resources Reuse, Tongji University, Shanghai 200092, China
2 Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China
3 Institute for Superconducting & Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Innovation Campus, Squires Way, North Wollongong, NSW 2500, Australia
4 Key Laboratory of Materials Physics, Centre for Environmental and Energy Nanomaterials, Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China

DOI 10.1007/s12274-015-0758-2

Nano Research 2015, 8(8): 2503每2514

Address correspondence to Weixian Zhang, zhangwx@tongji.edu.cn; Dongyuan Zhao, dyzhao@fudan.edu.cn

Dendritic mesoporous silica encapsulated magnetic nanospheres with radially oriented, large open as well as controllable pore size (5.7每10.3 nm) and shell thickness (40每100 nm) were fabricated through an effective oil-water biphase stratification coating strategy. The silica shell was suitably converted into dendritic mesoporous aluminosilicate core-shell nanospheres with unchanged porosity and notable strong acidic sites, exhibiting promising application in phosphate removal from wastewater.

    

Cell surface engineering with polyelectrolyte-stabilized magnetic nanoparticles: A facile approach for fabrication of artificial multicellular tissue-mimicking clusters

Maria R. Dzamukova, Ekaterina A. Naumenko, Elvira V. Rozhina, Alexander A. Trifonov, and Rawil F. Fakhrullin (*)

Bionanotechnology Lab, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kreml uramı 18, Kazan, 420008, Republic of Tatarstan, Russian Federation
Both authors contributed equally to this study.

DOI 10.1007/s12274-015-0759-1

Nano Research 2015, 8(8): 2515每2532

Address correspondence to kazanbio@gmail.com

Cationic polymer-stabilized magnetic nanoparticles are applied for the rapid one-step magnetic functionalization of human cells. Magnetically modified cells are perfectly viable and can be arranged into complex 2D and 3D multicellular microclusters.

    

Anti-migratory and increased cytotoxic effects of novel dual drug-loaded complex hybrid micelles in triple negative breast cancer cells

Rajaletchumy Veloo Kutty1,∫, Chor Yong Tay1,∫, Chen Siew Lim1, Si-Shen Feng1,2 (*), and David Tai Leong1,3 (*)

1 Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive, Singapore 117585, Singapore
2 International Joint Cancer Institute, The Second Military Medical University, 800 Xiang Yin Road, Shanghai 200433, China
3 NUS Graduate School for Integrative Science and Engineering, National University of Singapore, 28 Medical Drive, Singapore 117456, Singapore
These authors contributed equally to this work.

DOI 10.1007/s12274-015-0760-8

Nano Research 2015, 8(8): 2533每2547

Address correspondence to Si-Shen Feng, chefss@nus.edu.sg; David Tai Leong, cheltwd@nus.edu.sg

Co-delivery of suberoylanilide hydroxamic acid (SAHA) and paclitaxel using the DSPE-PEG2000/TPGS hybrid micelle system results in synergistic anticancer effects in triple negative breast cancer cells.

    

Synthesis of gold/rare-earth-vanadate core/shell nano- rods for integrating plasmon resonance and fluorescence

Jiahong Wang1,∫, Hao Huang1,∫, Daquan Zhang1, Ming Chen1, Yafang Zhang1, Xuefeng Yu1,2 (*), Li Zhou1 (*), and Ququan Wang1,3 (*)

1 Department of Physics, Key Laboratory of Artificial Micro- and Nano-structures of the Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan 430072, China
2 Guangdong Key Laboratory of Nanomedicine, CAS Key Lab of Health Informatics, Institute of Biomedicine and Biotechnology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
3 Institute for Advanced Study, Wuhan University, Wuhan 430072, China
These authors contributed equally to this work.

DOI 10.1007/s12274-015-0761-7

Nano Research 2015, 8(8): 2548每2561

Address correspondence to Ququan Wang, qqwang@whu.edu.cn; Xuefeng Yu, yxf@whu.edu.cn; Li Zhou, zhouli@whu.edu.cn

A general strategy was established for the growth of rare-earth- vanadate shells on Au nanorod cores to form Au/GdVO4:Eu core/ shell heterostructures with an efficient integration of the plasmonic properties of the Au nanorods and the fluorescence properties of the rare-earth ions.

    

Strain-induced direct每indirect bandgap transition and phonon modulation in monolayer WS2

Yanlong Wang1,2,∫, Chunxiao Cong2,∫, Weihuang Yang1,2, Jingzhi Shang2, Namphung Peimyoo2, Yu Chen2, Junyong Kang3, Jianpu Wang1,4, Wei Huang1,4,5 (*), and Ting Yu2 (*)

1 Nanyang Technological University每Nanjing Tech Center of Research and Development, Nanjing Tech University, Nanjing 211816, China
2 Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
3 Fujian Key Laboratory of Semiconductor Materials and Applications, Department of Physics, Xiamen University, Xiamen 361005, China
4 Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Jiangsu National Synergetic Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), Nanjing 211816, China
5 Key Laboratory for Organic Electronics & Information Displays (KLOEID) and Institute of Advanced Materials (IAM), Nanjing Universityof Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210046, China
These authors contributed equally to this work.

DOI 10.1007/s12274-015-0762-6

Nano Research 2015, 8(8): 2562每2572

Address correspondence to Wei Huang, wei-huang@njupt.edu.cn; Ting Yu, yuting@ntu.edu.sg

We plot the fitted light-emission intensities of the A, A每, and I peaks of CVD-grown monolayer WS2 as a function of the uniaxial tensile strain. Following its appearance, the I peak tends to increase in intensity as the strain increases, in contrast to the A and A每 peaks. This is attributed to the strain-induced direct-to-indirect bandgap transition and agrees well with the calculated critical strain of ~2.6% that can lead to the transformation.

    

Ambient synthesis, characterization, and electrochemical activity of LiFePO4 nanomaterials derived from iron phosphate intermediates

Jonathan M. Patete1,∫, Megan E. Scofield1,∫, Vyacheslav Volkov2, Christopher Koenigsmann1, Yiman Zhang1, Amy C. Marschilok1,3, Xiaoya Wang1,4, Jianming Bai5, Jinkyu Han2, Lei Wang1, Feng Wang4, Yimei Zhu2, Jason A. Graetz4,†, and Stanislaus S. Wong1,2 (*)

1 Department of Chemistry, State University of New York at Stony Brook, Stony Brook, NY 11794-3400, USA
2 Condensed Matter Physics and Materials Sciences Department, Building 480, Brookhaven National Laboratory, Upton, NY 11973, USA
3 Department of Materials Science and Engineering, State University of New York at Stony Brook, Stony Brook, NY 11794-2275, USA
4 Sustainable Energy Technologies Department, Building 815, Brookhaven National Laboratory, Upton, NY 11973, USA
5 National Synchrotron Light Source II, Building 741, Brookhaven National Laboratory, Upton, NY 11973, USA
Present address: Sensors and Materials Laboratory, HRL Laboratories, LLC, 3011 Malibu Canyon Road, Malibu, CA 90265-4797, USA
These authors contributed equally to this work.

DOI 10.1007/s12274-015-0763-5

Nano Research 2015, 8(8): 2573每2594

Address correspondence to Stanislaus.wong@stonybrook.edu, sswong@bnl.gov

We report on the synthesis, multifaceted characterization, and electrochemical activity of crystalline, chemically pure lithium iron phosphate nanowires, mediated by using a seedless, surfactantless U-tube method.

    

Giga- and terahertz-range nanoemitter based on peapod structure

Michail M. Slepchenkov1, Anna S. Kolesnikova1, George V. Savostyanov1, Igor S. Nefedov2, Ilya V. Anoshkin2, Albert G. Nasibulin2,3, and Olga E. Glukhova1 (*)

1 Department of Physics, Saratov State University, Saratov, 410012, Russia
2 Department of Radio Science and Engineering, Aalto University, Aalto, P.O. Box 13000, Finland
3 Skolkovo Institute of Science and Technology, Skolkovo, 143025, Russia

DOI 10.1007/s12274-015-0764-4

Nano Research 2015, 8(8): 2595每2602

Address correspondence to glukhovaoe@info.sgu.ru

A theoretical model of a nanoemitter for giga- and terahertz range waves is proposed. The model is based on a carbon-peapod structure. The radiation frequency is controlled using an external electric field.

    

Decoratable hybrid-film-patch stabilized Pickering emulsions and their catalytic applications

Shenghua Ma, Yinan Wang, Kunpeng Jiang, and Xiaojun Han (*)

State Key Laboratory of Urban Water Resource and Environment, School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin 150001, China

DOI 10.1007/s12274-015-0765-3

Nano Research 2015, 8(8): 2603每2610

Address correspondence to hanxiaojun@hit.edu.cn

Carbon nanotubes/Fe3O4/ODTS/PDDA hybrid film patches were fabricated and used to stabilize Pickering emulsions (PEs). Their hydrophilic sides were modified with Pd nanoparticles by taking advantage of the rupture-reform property of the PEs. Pd-nano- particle-modified hybrid-film-patch stabilized PEs exhibited great performance in the hydrogenation of acetone.

    

Optimal thermoelectric figure of merit of Si/Ge core-shell nanowires

Kaike Yang1, Andres Cantarero2, Angel Rubio1 (*), and Roberto D*Agosta1,3 (*)

1 Nano-Bio Spectroscopy Group and ETSF Scientific Development Center, Departamento de Fisica de Materiales, Universidad del Pais Vasco UPV/EHU, San Sebastian, 20018, Spain
2 Instituto de Ciencia de Materiales, Universidad de Valencia, Valencia, 46071, Spain
3 Ikerbasque, Basque foundation for Science, Bilbao, 48013, Spain

DOI 10.1007/s12274-015-0766-2

Nano Research 2015, 8(8): 2611每2619

Address correspondence to Roberto D*Agosta, roberto.dagosta@ehu.es; Angel Rubio, angel.rubio@ehu.es

We investigate the thermoelectric energy conversion efficiency of Si and Ge core-shell nanowires and show that the presence of a thin Ge shell in a Si core nanowire increases the overall figure of merit as a function of temperature. We find the optimal thickness of the Ge shell to provide the largest figure of merit for the devices.

    

Effect of oxygen and nitrogen functionalization on the physical and electronic structure of graphene

Alexander J. Marsden1, Peter Brommer1,2, James J. Mudd1, M. Adam Dyson1, Robert Cook1, Mar赤a Asensio3, Jose Avila3, Ana Levy3, Jeremy Sloan1, David Quigley1,2, Gavin R. Bell1, and Neil R. Wilson1 (*)

1 Department of Physics, University of Warwick, Coventry, UK
2 Centre for Scientific Computing, University of Warwick, Coventry, UK
3 Synchrotron SOLEIL, L*Orme des Merisiers, Saint Aubin-BP 48, 91192 Gif sur Yvette Cedex, France

DOI 10.1007/s12274-015-0768-0

Nano Research 2015, 8(8): 2620每2635

Address correspondence to Neil.Wilson@warwick.ac.uk

The effect of atomic oxygen and nitrogen functionalization on the physical and electronic structure of graphene is investigated through a combination of aberration corrected transmission electron microscopy, synchrotron-based high resolution photoemission, and density functional theory. It is shown that the functionalization can be reversible without damage to the carbon lattice or irreversible with induced vacancies, and that this influences the level of doping induced.

    

A new insight into electrochemical detection of eugenol by hierarchical sheaf-like mesoporous NiCo2O4

Mylamparambil Udayan Anu Prathap, Chao Wei, Shengnan Sun, and Zhichuan J. Xu (*)

School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore

DOI 10.1007/s12274-015-0769-z

Nano Research 2015, 8(8): 2636每2645

Address correspondence to xuzc@ntu.edu.sg

A highly sensitive and selective non-enzymatic eugenol sensor has been successfully constructed using high surface area mesoporous NiCo2O4. The sensor exhibits a low detection limit of 5.4 pM.

    

Wafer-level site-controlled growth of silicon nanowires by Cu pattern dewetting

Zhishan Yuan1,2,3, Yunfei Chen1,2, Zhonghua Ni1,2, Yuelin Wang3, Hong Yi1,2 (*), and Tie Li3(*)

1 School of Mechanical Engineering, Southeast University, Nanjing 210018, China
2 Jiangsu Key Laboratory for Design and Manufacture of Micro每Nano Biomedical Instruments, Southeast University, Nanjing 211189, China
3 Science and Technology on Microsystem Laboratory, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China

DOI 10.1007/s12274-015-0771-5

Nano Research 2015, 8(8): 2646每2653

Address correspondence to Hong Yi, yihong@seu.edu.cn; Tie Li, tli@mail.sim.ac.cn

汐-SiNWs can be grown on Si/SiO2 wafers with good size and site controllability by simply employing photolithography and a dewetting process. Due to dewetting, Cu patterns defined by photolithography shrink and produce SiNWs at the center in the annealing process. Cu pattern volume, SiO2 thickness, and annealing time can be used to determine the diameter and length of the nanowires.

    

Silicon-based nanosheets synthesized by a topochemical reaction for use as anodes for lithium ion batteries

Kaiqi Xu, Liubin Ben, Hong Li and Xuejie Huang (*)

Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

DOI 10.1007/s12274-015-0772-4

Nano Research 2015, 8(8): 2654每2662

Address correspondence to xjhuang@iphy.ac.cn

Peapod-like silicon-based nanosheets (SNS) have been synthesized by a topochemical reaction. The morphology and the oxidation state of the SNS are strongly dependent on the reaction media as well as the oxidants employed. Nanosheets in a low oxidation level are synthesized in molten salts and exhibit excellent performance as anodes for lithium ion batteries.

    

Hollow-in-hollow carbon spheres with hollow foam-like cores for lithium每sulfur batteries

Jun Zang1,2, Taihua An2, Yajie Dong1, Xiaoliang Fang1 (*), Mingsen Zheng2, Quanfeng Dong2, and Nanfeng Zheng2 (*)

1 Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen 361005, China
2 State Key Laboratory for Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China

DOI 10.1007/s12274-015-0773-3

Nano Research 2015, 8(8): 2663每2675

Address correspondence to Nanfeng Zheng, nfzheng@xmu.edu.cn; Xiaoliang Fang, x.l.fang@xmu.edu.cn

High capacity and long-term stability of lithium每sulfur batteries have been fabricated by employing hollow-in-hollow carbon spheres with hollow foam-like cores.

    

Wavelength-tunable infrared light emitting diode based on ordered ZnO nanowire/Si1每xGex alloy heterojunction

Taiping Zhang1,∫, Renrong Liang2,∫ (*), Lin Dong1, Jing Wang2, Jun Xu2, and Caofeng Pan1 (*)

1 Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
2 Institute of Microelectronics, Tsinghua University, Beijing 100084, China
Authors contributed equally to this work.

DOI 10.1007/s12274-015-0774-2

Nano Research 2015, 8(8): 2676每2685

Address correspondence to Caofeng Pan, cfpan@binn.cas.cn; Renrong Liang, liangrr@tsinghua.edu.cn

This work provides a novel wavelength-tunable infrared light emitting diode based on ZnO nanowire/SiGe alloy heterojunctions. The electroluminescence wavelength of the LED is tuned by varying the composition of the SiGe alloy.

    

Effects of substrate type and material-substrate bonding on high-temperature behavior of monolayer WS2

Liqin Su1, Yifei Yu2, Linyou Cao2, and Yong Zhang1 (*)

1 Department of Electrical and Computer Engineering, University of North Carolina at Charlotte, Charlotte, 28262, USA
2 Department of Materials Science and Engineering, North Carolina State University, Raleigh, 27695, USA

DOI 10.1007/s12274-015-0775-1

Nano Research 2015, 8(8): 2686每2697

Address correspondence to yong.zhang@uncc.edu

Temperature-dependent Raman and photoluminescence up to the decomposition temperature are used to study the interaction between the monolayer WS2 films, either transferred or CVD-grown, and substrates (SiO2/Si and sapphire). The impact of the substrate, particularly the strain and doping effects, was found to be effected by not only the substrate type but also the material-substrate bonding for the same substrate.

    

Novel hydrogen storage properties of palladium nanocrystals activated by a pentagonal cyclic twinned structure

Huang Huang, Shixiong Bao, Qiaoli Chen, Yanan Yang, Zhiyuan Jiang, Qin Kuang (*), Xiaoyin Wu, Zhaoxiong Xie (*), and Lansun Zheng

State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, and Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
These authors contributed equally to this work.

DOI 10.1007/s12274-015-0776-0

Nano Research 2015, 8(8): 2698每2705

Address correspondence to Qin Kuang, qkuang@xmu.edu.cn; Zhaoxiong Xie, zxxie@xmu.edu.cn

Using the storage and release of hydrogen in Pd nanocrystals as a probe, we have shown that icosahedral Pd nanocrystals have novel hydrogen storage properties due to the intrinsic two-dimensional lattice expansions in pentagonal cyclic twinned nanocrystals.

    

Porous bimetallic Pt每Fe nanocatalysts for highly efficient hydrogenation of acetone

Yongjun Ji1, Yuen Wu2 (*), Guofeng Zhao3, Dingsheng Wang3, Lei Liu3,4, Wei He3,4, and Yadong Li1 (*)

1 Department of Chemistry, Tsinghua University, Beijing 100084, China
2 Center of Advanced Nanocatalysis (CAN-USTC) and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
3 Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing 100084, China
4 School of Medicine, Tsinghua University, Beijing 100084, China

DOI 10.1007/s12274-015-0777-z

Nano Research 2015, 8(8): 2706每2713

Address correspondence to Yadong Li, ydli@tsinghua.edu.cn; Yuen Wu, yuenwu@ustc.edu.cn

Porous Pt每Fe bimetallic nanocrystals have been synthesized via self-assembly and been shown to effectively facilitate the synthesis of 2-propanol from acetone.

    

A green method of staining DNA in polyacrylamide gel electrophoresis based on fluorescent copper nano- clusters synthesized in situ

Xiaoli Zhu1, Hai Shi1, Yalan Shen1, Bin Zhang1, Jing Zhao1, and Genxi Li1,2 (*)

1 Laboratory of Biosensing Technology, School of Life Sciences, Shanghai University, Shanghai 200444, China
2 State Key Laboratory of Pharmaceutical Biotechnology, Department of Biochemistry, Nanjing University, Nanjing 210093, China

DOI 10.1007/s12274-015-0778-y

Nano Research 2015, 8(8): 2714每2720

Address correspondence to genxili@nju.edu.cn

Green staining of DNA in polyacrylamide gel electrophoresis has been achieved using fluorescent copper nanoclusters synthesized in situ and shown to be a promising alternative to existing unsafe staining methods.

    

True-color real-time imaging and spectroscopy of carbon nanotubes on substrates using enhanced Rayleigh scattering

Wenyun Wu1,∫, Jingying Yue1,∫, Xiaoyang Lin1,∫, Dongqi Li1,∫, Fangqiang Zhu2, Xue Yin3, Jun Zhu3, Jiangtao Wang1, Jin Zhang1, Yuan Chen1, Xinhe Wang1, Tianyi Li1, Yujun He1, Xingcan Dai1 (*), Peng Liu1, Yang Wei1, Jiaping Wang1,4, Wei Zhang5, Yidong Huang5, Li Fan1, Lina Zhang1, Qunqing Li1,4, Shoushan Fan1, and Kaili Jiang1,4 (*)

1 State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics & Tsinghua每Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China
2 Department of Physics, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana, USA
3 State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
4 Collaborative Innovation Center of Quantum Matter, Beijing 100084, China
5 Tsinghua National Laboratory for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
These authors contributed equally to this work.

DOI 10.1007/s12274-015-0779-x

Nano Research 2015, 8(8): 2721每2732

Address correspondence to Xingcan Dai, XingcanDai@tsinghua.edu.cn; Kaili Jiang, JiangKL@tsinghua.edu.cn.

Rayleigh scattering of nanomaterials can be greatly enhanced by the interface dipole enhancement effect. Consequently real-time true-color imaging of colorful single-walled carbon nanotubes (SWCNTs) on substrates has been successfully achieved under an optical microscope by wide field supercontinuum laser illumination, which facilitates high throughput chirality assignment of individual SWCNTs.

    

IgG and fibrinogen driven nanoparticle aggregation

Risto Cukalevski1, Silvia A. Ferreira2, Christopher J. Dunning1,3, Tord Berggård4, and Tommy Cedervall1 (*)

1 Department of Biochemistry and Structural Biology, Centre for Molecular Protein Science, Chemical Centre, Lund University, PO Box 124, SE-22100, Lund, Sweden
2 Centre for Biological Engineering, University of Minho, Campus Gualtar, 4710-057 Braga, Portugal
3 Neuronal Survival Unit, Department of Experimental Medical Science, Wallenberg Neuroscience Center, Lund University, BMC B11, 22184, Lund, Sweden
4 Alligator Bioscience AB, Lund, Sweden

DOI 10.1007/s12274-015-0780-4

Nano Research 2015, 8(8): 2733每2743

Address correspondence to tommy.cedervall@biochemistry.lu.se

IgG drives nanoparticle aggregation in vivo and in vitro. The aggregate size is non-intuitively dependent on the protein concentration.

    

Facile electrodeposition of 3D concentration-gradient Ni每Co hydroxide nanostructures on nickel foam as high performance electrodes for asymmetric supercapacitors

Mingyang Yang1,2, Hua Cheng1, Yingying Gu2, Zhifang Sun1, Jing Hu1, Lujie Cao1, Fucong Lv1, Minchan Li1,2, Wenxi Wang1, Zhenyu Wang1,2, Shaofei Wu1, Hongtao Liu2, and Zhouguang Lu1 (*)

1 Department of Materials Science and Engineering, South University of Science and Technology of China, Shenzhen 518055, China
2 College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China

DOI 10.1007/s12274-015-0781-3

Nano Research 2015, 8(8): 2744每2754

Address correspondence to luzg@sustc.edu.cn

Three-dimensional concentration-gradient Ni每Co hydroxide nano- structures (3DCGNC) with varying Ni and Co composition along a nickel foam substrate have been synthesized by a facile stepwise electrodeposition method. Asymmetric supercapacitors based on the fabricated 3DCGNC exhibited excellent comprehensive electro- chemical performance with a good combination of high energy density, excellent power capability, and extremely stable cycling life.

    

Graphene-based thermal modulators

Xiangjun Liu1, Gang Zhang1 (*), and Yong-Wei Zhang1

Institute of High Performance Computing, A*STAR, Singapore 138632, Singapore

DOI 10.1007/s12274-015-0782-2

Nano Research 2015, 8(8): 2755每2762

Address correspondence to zhangg@ihpc.a-star.edu.sg

Heat flux along a newly designed graphene thermal modulator can be controlled by the external pressure.

    

Epitaxial growth of hyperbranched Cu/Cu2O/CuO core每 shell nanowire heterostructures for lithium-ion batteries

Yuxin Zhao1,2,∫, Ying Zhang1,∫, Hu Zhao3, Xuejin Li1, Yanpeng Li1, Ling Wen1, Zifeng Yan1 (*), and Ziyang Huo4 (*)

1 State Key Laboratory for Heavy Oil Processing, PetroChina Key Laboratory of Catalysis, China University of Petroleum, Qingdao 266580, China
2 SINOPEC Safety Engineering Institute, No 218, Yan*an 3 Road, Shinan District, Qingdao 266071, China
3 China Petroleum Pipeline Bureau, 87 Guangyang Road, Langfang 065000, China
4 Queensland Micro- and Nanotechnology Centre Nathan Campus, Griffith University, 170 Kessels Road, NATHAN QLD 4111, Australia
These authors contributed equally to this work.

DOI 10.1007/s12274-015-0783-1

Nano Research 2015, 8(8): 2763每2776

Address correspondence to Zifeng Yan, zfyancat@upc.edu.cn; Ziyang Huo, ziyanghuo@gmail.com

The epitaxial growth of Cu/Cu2O/CuO branched nanowires has been investigated and when used as the anode material in Li-ion batteries the material demonstrates superb performance.

    

Conversion of PtNi alloy from disordered to ordered for enhanced activity and durability in methanol-tolerant oxygen reduction reactions

Liangliang Zou1, Jing Fan2, Yi Zhou1, Congmin Wang1, Jun Li1, Zhiqing Zou1, and Hui Yang1 (*)

1 Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
2 Wuhan Institute of Marine Electric Propulsion, Wuhan 430064, China

DOI 10.1007/s12274-015-0784-0

Nano Research 2015, 8(8): 2777每2788

Address correspondence to yangh@sari.ac.cn, huiyang65@hotmail.com

Carbon-supported ordered PtNi intermetallic nanoparticles, synthesized via structural conversion of a disordered PtNi alloy, exhibit greatly enhanced activity and durability in methanol-tolerant oxygen reduction reactions.

    

True-color real-time imaging and spectroscopy of carbon nanotubes on substrates using enhanced Rayleigh scattering

Wenyun Wu1,∫,  Jingying Yue1,∫, Xiaoyang Lin1,∫,  Dongqi Li1,∫, Fangqiang Zhu2, Xue Yin3, Jun Zhu3, Jiangtao Wang1, Jin Zhang1, Yuan Chen1, Xinhe Wang1, Tianyi Li1, Yujun He1, Xingcan Dai1 (*), Peng Liu1, Yang Wei1, Jiaping Wang1,4, Wei Zhang5, Yidong Huang5, Li Fan1, Lina Zhang1, Qunqing Li1,4, Shoushan Fan1, and Kaili Jiang1,4 (*)

 

1 State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics & Tsinghua每Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China
2 Department of Physics, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana, USA
3 State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
4 Collaborative Innovation Center of Quantum Matter, Beijing 100084, China
5 Tsinghua National Laboratory for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing 100084, China

 

DOI 10.1007/s12274-015-0779-x

Nano Research 2015, 8(8): 2721每2732

Address correspondence to Xingcan Dai, XingcanDai@tsinghua.edu.cn; Kaili Jiang, JiangKL@tsinghua.edu.cn.

Rayleigh scattering of nanomaterials can be greatly enhanced by the interface dipole enhancement effect. Consequently real-time true-color imaging of colorful single-walled carbon nanotubes (SWCNTs) on substrates has been successfully achieved under an optical microscope by wide field supercontinuum laser illumination, which facilitates high throughput chirality assignment of individual SWCNTs.

    

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