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Mild metal-organic-gel route for synthesis of stable sub-5-nm metal-organic framework nanocrystals

Yue Qi, Chun-Ting He, Juntao Lin, Shuping Lin, Jin Liu, Jinghong Huang, Wei Xue, Guicheng Yu, Hsiu-Yi Chao, Yexiang Tong, and Zhengping Qiao (*)

MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
Yue Qi and Chun-Ting He contributed equally to this work.

DOI 10.1007/s12274-017-1539-x

Nano Research 2017, 10(11): 3621每3628

Address correspondence to cesqzp@mail.sysu.edu.cn

By using a mild metal-organic-gel method, sub-5 nm HKUST-1 was synthesized for the first time and employed to investigate the size-dependent adsorption thermodynamics and kinetics of dyes.

    

Amorphous nickel-iron oxides/carbon nanohybrids for an efficient and durable oxygen evolution reaction

Bo Li1,∫, Shuangming Chen2,∫, Jie Tian3, Ming Gong3, Hangxun Xu1 (*), and Li Song2 (*)

1 CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, China
2 National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei 230029, China
3 Engineering and Materials Science Experiment Center, University of Science and Technology of China, Hefei 230027, China
Bo Li and Shuangming Chen contributed equally to this work.

DOI 10.1007/s12274-017-1572-9

Nano Research 2017, 10(11): 3629每3637

Address correspondence to Hangxun Xu, hxu@ustc.edu.cn; Li Song, song2012@ustc.edu.cn

We demonstrate a novel sonochemical method for synthesizing amorphous NiFeOx/C nanohybrids as highly active and durable electrocatalysts toward the oxygen evolution reaction. The amorphous NiFeOx/C nanohybrids with optimal composition exhibit a low overpotential of 290 mV at 10 mA﹞cm−2 and a Tafel slope of 31 mV﹞decade−1 in a 0.1 M KOH electrolyte, outperforming the benchmark RuO2 catalyst. The origins of the excellent electrocatalytic performance of the amorphous mixed oxide catalysts were investigated using advanced X-ray spectroscopic methods.

    

Confined reaction inside nanotubes: New approach to mesoporous g-C3N4 photocatalysts

Xueteng Liu, Fei Pang, Mingyuan He, and Jianping Ge (*)

Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China

DOI 10.1007/s12274-017-1574-7

Nano Research 2017, 10(11): 3638每3647

Address correspondence to jpge@chem.ecnu.edu.cn

Mesoporous g-C3N4 nanorod photocatalysts are synthesized through the nano-confined thermal condensation of cyanamide in silica nanotubes with porous shells. The proposed method for the synthesis of mesoporous materials is an alternative to the traditional templating method.

    

The study of the interactions between graphene and Ge(001)/Si(001)

Pawel Dabrowski1 (*), Maciej Rogala1, Iwona Pasternak2, Jacek Baranowski2, Wlodzimierz Strupinski2, Marek Kopciuszynski4, Ryszard Zdyb4, Mieczyslaw Jalochowski4, Iaroslav Lutsyk1,3, and Zbigniew Klusek1

1 Department of Solid State Physics, Faculty of Physics and Applied Informatics, University of Lodz, Pomorska 149/153, 90-236 Lodz, Poland
2 Institute of Electronic Materials Technology, Wolczynska 133, 01-919 Warsaw, Poland
3 Department of Solid State Physics, Yuriy Fedkovych Chernivtsi National University, Kotsubinsky 2, 58012 Chernivtsi, Ukraine
4 Institute of Physics, Maria Curie-Sklodowska University, pl. M. Curie-Sklodowskiej 1, 20-031 Lublin, Poland

DOI 10.1007/s12274-017-1575-6

Nano Research 2017, 10(11): 3648每3661

Address correspondence to pdabr@uni.lodz.pl

The electronic and morphological properties of graphene grown on Ge(001)/Si(001) were examined both at the nano- and macroscale level. The present approach allowed the description of the influence of the germanium substrate on the energy bands of graphene and the electronic properties of the graphene layer.

    

Diagnosis of breast cancer by analysis of sialic acid concentrations in human saliva by surface-enhanced Raman spectroscopy of silver nanoparticles

Aida Hern芍ndez-Arteaga1, Jos谷 de Jes迆s Zermeño Nava2, Eleazar Samuel Kolosovas-Machuca1, J. Jes迆s Vel芍zquez-Salazar3, Ekaterina Vinogradova3, Miguel Jos谷-Yacam芍n1,3, and Hugo Ricardo Navarro-Contreras1 (*)

1 Coordinaci車n para la Innovaci車n y Aplicaci車n de la Ciencia y la Tecnolog赤a (CIACYT), Universidad Aut車noma de San Lu赤s Potos赤, Álvaro Obreg車n 64, San Luis Potos赤, S.L.P. 78000, M谷xico
2 Divisi車n de Gineco-Obstetricia, Hospital Central Dr. Ignacio Morones Prieto, Ave. Venustiano Carranza 2395, Zona Universitaria, San Luis Potos赤, S.L.P. 78290, M谷xico
3 Department of Physics and Astronomy, University of Texas at San Antonio, San Antonio, TX 78249, USA

DOI 10.1007/s12274-017-1576-5

Nano Research 2017, 10(11): 3662每3670

Address correspondence to hnavarro@uaslp.mx

Sialic acid (SA) levels in saliva are different between healthy women (red) and patients with breast cancer (green). In this work, the SA concentrations in saliva were determined by surface-enhanced Raman spectroscopy of citrate-covered silver nanoparticles; figure on the left: a noninvasive test, regardless of age or density of breast tissue.

    

Surface states in TiO2 submicrosphere films and their effect on electron transport

Jiawei Zheng1,2, Li*e Mo1, Wangchao Chen1, Ling Jiang1, Yong Ding3,1, Zhaoqian Li1, Linhua Hu1 (*), and Songyuan Dai3,1 (*)

1 Key Laboratory of Novel Thin Film Solar Cells, Institute of Applied Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230088, China
2 University of Science and Technology of China, Hefei 230026, China
3 Beijing Key Laboratory of Novel Thin Film Solar Cells, North China Electric Power University, Beijing 102206, China

DOI 10.1007/s12274-017-1577-4

Nano Research 2017, 10(11): 3671每3679

Address correspondence to Linhua Hu, lhhu@rntek.cas.cn; Songyuan Dai, sydai@ipp.cas.cn

    

Time-resolved impact electrochemistry for quantitative measurement of single-nanoparticle reaction kinetics

En Ning Saw, Markus Kratz, and Kristina Tschulik (*)

Micro- & Nano-Electrochemistry and Centre for Electrochemical Sciences (CES), Ruhr-University Bochum, Bochum D-44780, Germany

DOI 10.1007/s12274-017-1578-3

Nano Research 2017, 10(11): 3680每3689

Address correspondence to kristina.tschulik@rub.de

Time-resolved nanoelectrochemistry is demonstrated as a new tool to determine the reaction kinetics and reaction mechanism at a single nanoparticle.

    

Reduced graphene oxide decorated with Bi2O2.33 nanodots for superior lithium storage

Haichen Liang1, Xiyan Liu2, Dongliang Gao2, Jiangfeng Ni1 (*), and Yan Li2 (*)

1 College of Physics, Optoelectronics and Energy, Collaborative Innovation Center of Suzhou Nano Science and Technology, and Center for Energy Conversion Materials & Physics (CECMP), Soochow University, Suzhou 215006, China
2 Key Laboratory for the Physics and Chemistry of Nanodevices, Beijing National Laboratory for Molecular Science(BNLMS), College of Chemistry and Molecular Engineering, and State Key Laboratory of Rare Earth Materials Chemistry and Applications, Peking University, Beijing 100871, China

DOI 10.1007/s12274-017-1579-2

Nano Research 2017, 10(11): 3690每3697

Address correspondence to Jiangfeng Ni, jeffni@suda.edu.cn; Yan Li, yanli@pku.edu.cn

Reduced graphene oxide decorated with Bi2O2.33 nanodots exhibits stable and robust Li storage.

    

High-performance Li每S battery cathode with catalyst-like carbon nanotube-MoP promoting polysulfide redox

Yingying Mi1,2, Wen Liu1 (*), Xiaolin Li1,3, Julia Zhuang4, Henghui Zhou2, and Hailiang Wang1 (*)

1 Department of Chemistry and Energy Sciences Institute, Yale University, West Haven, CT 06516, USA
2 College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
3 College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China
4 Department of Chemical and Environmental Engineering, Yale University, New Haven, CT 06520, USA

DOI 10.1007/s12274-017-1581-8

Nano Research 2017, 10(11): 3698每3705

Address correspondence to Hailiang Wang, hailiang.wang@yale.edu; Wen Liu, wen.liu@yale.edu

Catalyst-like carbon nanotube-MoP can effectively promote lithium polysulfide redox and thus enhance the electrochemical performance of Li每S batteries.

    

Optical properties of conductive silver-nanowire films with different nanowire lengths

Xiaoming Yu1, Xuan Yu1 (*), Jianjun Zhang2, Liqiao Chen1, Yunqian Long1, and Dekun Zhang2

1 Innovation Application Institute, Zhejiang Ocean University, Zhoushan 316004, China
2 College of Electronic Information and Optical Engineering, Nankai University, Tianjin 300071, China

DOI 10.1007/s12274-017-1583-6

Nano Research 2017, 10(11): 3706每3714

Address correspondence to yuxuan@zjou.edu.cn

    

Redox switch of ionic transport in conductive polypyrroleengineered unipolar nanofluidic diodes

Qianqian Zhang1,2, Zhen Zhang3, Hangjian Zhou1, Zhiqiang Xie1,2, Liping Wen4, Zhaoyue Liu1 (*), Jin Zhai1 (*), and Xungang Diao2

1 Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, Beijing Key Laboratory of Bio-inspired Energy Materials and Devices, School of Chemistry and Environment, Beihang University, Beijing 100191, China
2 School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
3 Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Green Printing, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
4 Laboratory of Bioinspired Smart Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China

DOI 10.1007/s12274-017-1585-4

Nano Research 2017, 10(11): 3715每3725

Address correspondence to Zhaoyue Liu, liuzy@buaa.edu.cn; Jin Zhai, zhaijin@buaa.edu.cn

Redox-active polyporrole (PPy) polymers are introduced into an anodic aluminum oxide nanochannels to construct unipolar nanofluidic diodes exhibiting redox-switchable ionic transport behaviors. Based on the asymmetric component and the remarkable charge variation of PPy between oxidation and reduction state, the ion rectification and ion gating levels could be switched reversibly and dynamically.

    

Construction of hierarchical three-dimensional inter spersed flower-like nickel hydroxide for asymmetric supercapacitors

Wutao Wei1, Weihua Chen2 (*), Luoyi Ding1, Shizhong Cui1, and Liwei Mi1 (*)

1 Center for Advanced Materials Research, Zhongyuan University of Technology, Zhengzhou 450007, China
2 College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, China

DOI 10.1007/s12274-017-1586-3

Nano Research 2017, 10(11): 3726每3742

Address correspondence to Liwei Mi, mlwzzu@163.com; Weihua Chen, chenweih@zzu.edu.cn

Three-dimensional interspersed flower-like nickel hydroxide was prepared via the exfoliation of cetyl trimethylammonium bromide (CTAB), together with the addition of carbon nanotubes (CNTs), which endowed N-4-CNT//active carbon (AC) supercapacitor devices with a high specific capacitance and excellent cycle stability.

    

Microstructuring of carbon/tin quantum dots via a novel photolithography and pyrolysis-reduction process

Xufeng Hong1, Liang He1,2 (*), Xinyu Ma1, Wei Yang1, Yiming Chen1, Lei Zhang1, Haowu Yan1, Zhaohuai Li1, and Liqiang Mai1,3 (*)

1 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
2 Department of Materials Science and NanoEngineering, Rice University, Houston, TX 77005, USA
3 Department of Chemistry, University of California, Berkeley, CA 94720, USA

DOI 10.1007/s12274-017-1587-2

Nano Research 2017, 10(11): 3743每3753

Address correspondence to Liang He, hel@whut.edu.cn; Liqiang Mai, mlq518@whut.edu.cn

A novel microfabrication process based on optimized photolithography combined with pyrolysis-reduction is proposed to fabricate interdigital porous carbon/tin quantum dots (C/Sn QDs) microelectrodes with uniform dispersion of Sn QDs (diameter of ~3 nm) in the carbon matrix. The as-fabricated C/Sn QDs micro-supercapacitor exhibits a high areal specific capacitance (5.79 mF﹞cm−2) and desirable cycling stability (93.3% capacitance retention after 5,000 cyclic voltammetry cycles).

    

Engineering the surface of LiCoO2 electrodes using atomic layer deposition for stable high-voltage lithium ion batteries

Jin Xie1, Jie Zhao1, Yayuan Liu1, Haotian Wang2, Chong Liu1, Tong Wu1, Po-Chun Hsu1, Dingchang Lin1, Yang Jin1, and Yi Cui1,3 (*)

1 Department of Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA
2 Department of Applied Physics, Stanford University, Stanford, CA 94305, USA
3 Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, USA

DOI 10.1007/s12274-017-1588-1

Nano Research 2017, 10(11): 3754每3764

Address correspondence to yicui@stanford.edu

Chemically inert and ionically conductive LiAlO2 interfacial layers were deposited on LiCoO2 electrodes via atomic layer deposition. During prolonged cycling at high-voltage, the LiAlO2 coating not only prevented interfacial reactions between LiCoO2 electrode and electrolyte, as confirmed by electrochemical impedance spectroscopy and Raman characterizations, but also allowed lithium ions to freely diffuse into LiCoO2 without sacrificing the power density.

    

Efficient and 1,8-diiodooctane-free ternary organic solar cells fabricated via nanoscale morphology tuning using small-molecule dye additive

Shuhua Zhang1,∫, Muhammad Naeem Shah1,∫, Feng Liu2 (*), Zhongqiang Zhang1, Qin Hu3, Thomas P. Russell3, Minmin Shi1, Chang-Zhi Li1 (*), and Hongzheng Chen1 (*)

1 MOE Key Laboratory of Macromolecular Synthesis and Functionalization, State Key Laboratory of Silicon Materials, Department of Polymer Science & Engineering, Zhejiang University, Hangzhou 310027, China
2 Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
3 Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
Shuhua Zhang and Muhammad Naeem Shah contributed equally to this work.

DOI 10.1007/s12274-017-1589-0

Nano Research 2017, 10(11): 3765每3774

Address correspondence to Hongzheng Chen, hzchen@zju.edu.cn; Chang-Zhi Li, czli@zju.edu.cn; Feng Liu, fengliu82@sjtu.edu.cn

    

Construction of highly stable selenium nanoparticles embedded in hollow nanofibers of polysaccharide and their antitumor activities

Zhaohua Ping1, Ting Liu2, Hui Xu1, Yan Meng1, Wenhua Li2, Xiaojuan Xu1 (*), and Lina Zhang1 (*)

1 College of Chemistry & Molecular Sciences, Wuhan University, Wuhan 430072, China
2 Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan 430072, China

DOI 10.1007/s12274-017-1590-7

Nano Research 2017, 10(11): 3775每3789

Address correspondence to Xiaojuan Xu, xuxj@whu.edu.cn; Lina Zhang, zhangln@whu.edu.cn

Highly stable selenium nanoparticles (SeNPs) embedded in hollow nanofibers of polysaccharide exhibit excellent anticancer activities and biocompatibilities.

    

Generic synthesis and versatile applications of molecularly organic-inorganic hybrid mesoporous organosilica nanoparticles with asymmetric Janus topologies and structures

Guiju Tao1,2, Zhengyuan Bai1, Yu Chen3 (*), Heliang Yao4, Meiying Wu3,†, Ping Huang3, Luodan Yu3, Jiamin Zhang5, Chen Dai6, and Long Zhang1 (*)

1 Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2 Sinopec Shanghai Research Institute of Petrochemical Technology, Shanghai 201208, China
3 State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
4 Analysis and Testing Center for Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
5 Shanghai (Red Cross) Blood Center, Shanghai Institute of Blood Transfusion, Shanghai 200051, China
6 Department of Ultrasound, the East Hospital Affiliated to Tongji University, Shanghai 200120, China
Present address: Paui C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China

DOI 10.1007/s12274-017-1592-5

Nano Research 2017, 10(11): 3790每3810

Address correspondence to Long Zhang, lzhang@siom.ac.cn; Yu Chen, chenyu@mail.sic.ac.cn

A general bridged organic group-determined growth strategy was developed for the synthesis of molecularly organic每inorganic hybrid mesoporous organosilica nanoparticles (MONs) with multifarious Janus morphologies, and their formation mechanism was discussed. The hybrid framework, porous structure, hollow cavity, adaptive particle size, and Janus morphology endow these MONs with excellent pH-responsive drug release properties, high bilirubin-adsorption capacities, enhanced ultrasonography characteristics, and high hemocompatibilities.

    

Monodispersed Pt nanoparticles on reduced graphene oxide by a non-noble metal sacrificial approach for hydrolytic dehydrogenation of ammonia borane

Yao Chen, Xinchun Yang, Mitsunori Kitta, and Qiang Xu (*)

National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan

DOI 10.1007/s12274-017-1593-4

Nano Research 2017, 10(11): 3811每3816

Address correspondence to q.xu@aist.go.jp

Monodispersed Pt nanoparticles on reduced graphene oxide (RGO) were prepared by a non-noble metal sacrificial approach for the hydrolytic dehydrogenation of ammonia borane; these monodispersed particles showed a turnover frequency value 2.6 times that of Pt/RGO prepared by direct deposition.

    

Active {010} facet-exposed Cu2MoS4 nanotube as highefficiency photocatalyst

Ke Zhang1, Yunxiang Lin1, Zahir Muhammad1, Chuanqiang Wu1, Shuang Yang1, Qun He1, Xusheng Zheng1, Shuangming Chen1 (*), Binghui Ge2 (*), and Li Song1 (*)

1 National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei 230029, China
2 Beijing National Laboratory for Condensed Mater Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China

DOI 10.1007/s12274-017-1594-3

Nano Research 2017, 10(11): 3817每3825

Address correspondence to Li Song, song2012@ustc.edu.cn; Binghui Ge, bhge@iphy.ac.cn; Shuangming Chen, csmp@ustc.edu.cn

We demonstrate a novel facile hydrothermal method to successfully synthesize a {010} facet-exposed Cu2MoS4 nanotube, which shows greatly enhanced performance for both photodegradation and water splitting compared with {001} facet-exposed nanosheets. Theoretical calculations and experiments based on synchrotron radiation were performed to explain the high efficiency of Cu2MoS4 nanotubes.

    

Nanoparticles@nanoscale metal-organic framework composites as highly efficient heterogeneous catalysts for size-and shape-selective reactions

Bingqing Wang1, Wenxian Liu1, Weina Zhang2, and Junfeng Liu1 (*)

1 State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
2 Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (Nanjing Tech), Nanjing 211816, China

DOI 10.1007/s12274-017-1595-2

Nano Research 2017, 10(11): 3826每3835

Address correspondence to ljf@mail.buct.edu.cn

Nanosized composites of metal-organic frameworks (MOFs) and metal nanoparticles (NPs) were fabricated by a controlled strategy aimed at reducing the size of MOF crystals grown around the NPs during their encapsulation process. This approach improved the catalytic performances of these compounds. As host matrices, the present nanoscale MOFs provided a shorter diffusion path and led to excellent size selectivity and higher catalytic activity of the Pt@nano-MOF composites compared to their larger-sized counterparts.

    

Synthesis of size-controlled CoMn2O4 quantum dots supported on carbon nanotubes for electrocatalytic oxygen reduction/evolution

Jiajia Shi1, Kaixiang Lei1, Weiyi Sun1, Fujun Li1, Fangyi Cheng1 (*), and Jun Chen1,2

1 Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin 300071, China
2 State Key Laboratory of Element-Organic Chemistry, Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, Tianjin 300071, China

DOI 10.1007/s12274-017-1597-0

Nano Research 2017, 10(11): 3836每3847

Address correspondence to fycheng@nankai.edu.cn

CoMn2O4 quantum dots of different sizes, selectively synthesized and supported on carbon nanotubes, showed a strongly size-dependent electrocatalytic performance in the oxygen reduction/evolution processes.

    

A new strategy was developed to improve Si/metal contacts in organic-Si heterojunction solar cells. It uses black phosphorus induced photo-doping of zinc oxide, and achieves a remarkable power conversion efficiency of 15.2%.

Zhouhui Xia1, Pengfei Li1, Yuqiang Liu1, Tao Song1, Qiaoliang Bao2, Shuit-Tong Lee1, and Baoquan Sun1 (*)

1 Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
2 Department of Materials Science and Engineering, Monash University, Clayton, Victoria 3800, Australia

DOI 10.1007/s12274-017-1598-z

Nano Research 2017, 10(11): 3848每3856

Address correspondence to bqsun@suda.edu.cn

A new strategy was developed to improve Si/metal contacts in organic-Si heterojunction solar cells. It uses black phosphorus induced photo-doping of zinc oxide, and achieves a remarkable power conversion efficiency of 15.2%.

    

Tribotronic transistor sensor for enhanced hydrogen detection

Yaokun Pang1,2,3,∫, Libo Chen1,2,3,∫, Guofeng Hu1,2,3, Jianjun Luo1,2,3, Zhiwei Yang1,2,3, Chi Zhang1,2 (*), and Zhong Lin Wang1,2,4 (*)

1 Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
2 National Center for Nanoscience and Technology (NCNST), Beijing 100190, China
3 University of Chinese Academy of Sciences, Beijing 100049, China
4 School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
Yaokun Pang and Libo Chen contributed equally to this work.

DOI 10.1007/s12274-017-1599-y

Nano Research 2017, 10(11): 3857每3864

Address correspondence to Zhong Lin Wang, zlwang@gatech.edu; Chi Zhang, czhang@binn.cas.cn

A novel ZnO tribotronic transistor sensor is developed by coupling a ZnO field effect transistor and triboelectric nanogenerator in free-standing mode. By applying an external mechanical force to the device for sliding electrification, the detection sensitivity and resolution of the ZnO tribotronic transistor sensor are improved.

    

Remarkable enhancement in failure stress and strain of penta-graphene via chemical functionalization

Yingyan Zhang1, Qingxiang Pei2 (*), Zhendong Sha3, Yongwei Zhang2, and Huajian Gao4(*)

1 School of Computing, Engineering and Mathematics, Western Sydney University, Penrith, NSW 2751, Australia
2 Institute of High Performance Computing, A*STAR, Singapore 138632, Singapore
3 International Center for Applied Mechanics, State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi*an Jiaotong University, Xi*an 710049, China
4 School of Engineering, Brown University, Providence, Rhode Island 02912, USA

DOI 10.1007/s12274-017-1600-9

Nano Research 2017, 10(11): 3865每3874

Address correspondence to Qingxiang Pei, peiqx@ihpc.a-star.edu.sg; Huajian Gao, huajian_gao@brown.edu

Using molecular dynamics simulations, we demonstrate that chemical functionalization with H, O, and OH can significantly enhance the failure stress and strain of penta-graphene (PG).

    

Quasi-freestanding, striped WS2 monolayer with an invariable band gap on Au(001)

Min Hong1,2, Xiebo Zhou1,2, Jianping Shi1,2, Yue Qi2, Zhepeng Zhang1,2, Qiyi Fang1,2, Yaguang Guo1, Yajuan Sun3, Zhongfan Liu2, Yuanchang Li4, Qian Wang1,5, and Yanfeng Zhang1,2 (*)

1 Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, China
2 Center for Nanochemistry (CNC), Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100871, China
3 State Key Laboratory of Coal-based Low-carbon Energy, ENN Group Co., Ltd., Langfang 065001, China
4 National Center for Nanoscience and Technology, Chinese Academy of Sciences, Beijing 100190, China
5 Center for Applied Physics and Technology, Peking University, Beijing 100871, China

DOI 10.1007/s12274-017-1601-8

Nano Research 2017, 10(11): 3875每3884

Address correspondence to yanfengzhang@pku.edu.cn

We reveal the atomic-scale structure and quasiparticle band gap of chemical vapor deposition-grown monolayer WS2 on Au foil via scanning tunneling microscopy/spectroscopy (STM/STS). Due to the weak interfacial interactions between WS2 and the Au substrate, the band gap of WS2 preserves its relatively intrinsic features on the Au(001) facet, and is not modulated by the striped superstructures that are formed.

    

Dual function of a high-contrast hydrophobic每hydrophilic coating for enhanced stability of perovskite solar cells in extremely humid environments

Jin Sun Yoo1,∫, Gill Sang Han2,∫, Seongha Lee2, Min Cheol Kim3, Mansoo Choi3, Hyun Suk Jung1 (*), and Jung-Kun Lee2 (*)

1 School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea
2 Department of Mechanical Engineering and Materials Science, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, USA
3 Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul 08826, Republic of Korea
Jin Sun Yoo and Gill Sang Han contributed equally to this work.

DOI 10.1007/s12274-017-1603-6

Nano Research 2017, 10(11): 3885每3895

Address correspondence to Hyun Suk Jung, hsjung1@skku.edu; Jung-Kun Lee, jul37@pitt.edu

The multi-layer coating consisting of hydrophilic and hydrophobic layers successfully protects perovskite solar cells under extremely humid environment. The poly(methyl methacrylate) (PMMA)-polyurethane (PU)-SiO2 layer successfully expels water and the moderately hydrophilic PMMA layer promotes the recovery of the perovskite layer that contains a small amount of water.

    

Microfluidic bacterial traps for simultaneous fluorescence and atomic force microscopy

Oliver Peric1, M谷lanie Hannebelle1, Jonathan D. Adams1,†, and Georg E. Fantner1 (*)

1 Laboratory for Bio- and Nano-Instrumentation, Institute of Bioengineering, School of Engineering, EPFL, 1015 Lausanne, Switzerland
Present address: Department of Biosystems Science and Engineering, ETHZ, 4058 Basel, Switzerland

DOI 10.1007/s12274-017-1604-5

Nano Research 2017, 10(11): 3896每3908

Address correspondence to georg.fantner@epfl.ch

We solve the current limitations of the buffer-medium-independent bacterial immobilization of rod-shaped bacteria for atomic force microscopy.

    

Two-dimensional square transition metal dichalcogenides with lateral heterostructures

Qilong Sun1, Ying Dai1 (*), Na Yin1, Lin Yu1, Yandong Ma1, Wei Wei1, and Baibiao Huang2

1 School of Physics, Shandong University, Jinan 250100, China
2 State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China

DOI 10.1007/s12274-017-1605-4

Nano Research 2017, 10(11): 3909每3919

Address correspondence to daiy60@sina.com

1S-MX2 lateral heterostructures demonstrate the successful construction of heterojunctions with excellent stability and properties based on new ※building blocks§. Black phosphorus can serve as a potential substrate and the hybrid bidirectional heterostructures possess distinguishable type-II band alignment.

    

Multi-shelled TiO2/Fe2TiO5 heterostructured hollow microspheres for enhanced solar water oxidation

Muhammad Waqas1,3, Yanze Wei1,2, Dan Mao1 (*), Jian Qi1, Yu Yang1, Bao Wang1 (*), and Dan Wang1 (*)

1 State Key Laboratory of Biochemical Engineering, CAS Center for Excellence in Nanoscience, Institute of Process Engineering, Chinese Academy of Sciences, 1 North 2nd Street, Zhongguancun, Haidian District, Beijing 100190, China
2 Department of Physical Chemistry, School of Metallurgical and Ecological Engineering, University of Science & Technology Beijing, No. 30, Xueyuan Road, Haidian District, Beijing 100083, China
3 University of Chinese Academy of Sciences, Chinese Academy of Sciences, No. 19A Yuquanlu, Beijing 100049, China

DOI 10.1007/s12274-017-1606-3

Nano Research 2017, 10(11): 3920每3928

Address correspondence to Dan Mao, danmao@ipe.ac.cn; Bao Wang, baowang@ipe.ac.cn; Dan Wang, danwang@ipe.ac.cn

We designed and fabricated heterostructured TiO2/Fe2TiO5 hollow microspheres with single-, double-, closed-double-, triple-, and core每shell structures and different Fe/Ti molar ratios using a facile sequential templating approach. When tested as oxygen evolution reaction materials for water splitting, the closed-double-shelled TiO2/Fe2TiO5 hollow microspheres with 35% Fe exhibited the highest oxygen evolution reaction rate up to 375 米mol﹞g−1﹞h−1 and good stability for 5 h, which is competitive among most Ti每Fe-based photocatalysts.

    

SnNi nanoneedles assembled 3D radial nanostructure loaded with SnNiPt nanoparticles: Towards enhanced electrocatalysis performance for methanol oxidation

Hao Fang, Yuting Chen, Ming Wen (*), Qingsheng Wu, and Quanjing Zhu

School of Chemical Science and Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Education Ministry Key Laboratory of Yangtze River Water Environment, Tongji University, 1239 Siping Road, Shanghai 200092, China
Hao Fang and Yuting Chen contributed equally to this work.

DOI 10.1007/s12274-017-1745-6

Nano Research 2017, 10(11): 3929每3940

Address correspondence to m_wen@tongji.edu.cn

Metal atom diffusion between Pt nanoparticles and a SnNi support (under appropriate conditions) formed SnNiPt ternary alloys on the surface of an assembled three-dimensional (3D) radial nanostructure composed of SnNi nanoneedles. Combining the all-orientation accessibility of the 3D nanostructure and the advantages of the alloy catalyst, a desirable methanol oxidation electrocatalyst was well-designed with higher activity, better CO poisoning resistance, lower onset potential, and favorable stability.

    

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