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Ultra-thin layer structured anodes for highly durable low-Pt direct formic acid fuel cells

Rongyue Wang1,∫, Jianguo Liu2,∫, Pan Liu3, Xuanxuan Bi1, Xiuling Yan1,4, Wenxin Wang1, Yifei Meng2, Xingbo Ge1, Mingwei Chen3, and Yi Ding1 (*)

1 Center for Advanced Energy Materials & Technology Research (AEMT), and School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
2 Eco-Materials and Renewable Energy Research Center, Department of Materials Science and Engineering, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China
3 WPI Advanced Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
4 Resources and Ecologic Research Institute, School of Chemistry and Bioscience, Yili Normal University, Yining 835000, China ∫ These authors contributed equally to this work.

DOI 10.1007/s12274-014-0517-9

Nano Research 2014, 7(11): 1569每1580

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By confining highly active nanoengineered catalysts into an ultra-thin catalyst layer, a dramatic decrease in Pt usage down to 3 米g﹞cm每2 is achieved in direct formic acid fuel cell anodes while maintaining impressive electrode activity, durability and power performance in both single cells and multi-cell stacks.


Color-tunable Gd每Zn每Cu每In每S/ZnS quantum dots for dual modality magnetic resonance and fluorescence imaging

Weisheng Guo1,2,∫, Weitao Yang1,∫, Yu Wang4, Xiaolian Sun2, Zhongyun Liu1, Bingbo Zhang3 (*), Jin Chang1 (*), and Xiaoyuan Chen2 (*)

1 Institute of Nanobiotechnology, School of Materials Science and Engineering, Tianjin University and Tianjin Key Laboratory of Composites and Functional Materials, Tianjin 300072, China
2 Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD 20892, USA
3 Shanghai East Hospital, The Institute for Biomedical Engineering &Nano Science, Tongji University School of Medicine, Shanghai 200120, China
4 Jiangsu Key Laboratory of Molecular Imaging and Functional Imaging, Department of Radiology, Zhongda Hospital, Medical School of Southeast University, Nanjing 210009, China
These authors contributed equally to this work.

DOI 10.1007/s12274-014-0518-8

Nano Research 2014, 7(11): 1581每1591

Address correspondence to Bingbo Zhang,; Jin Chang,; Xiaoyuan Chen,

A library of novel Gd每Zn每Cu每In每S/ZnS quantum dot agents with high magnetic resonance (MR) contrast and ※color-tunable§ fluorescence has been synthesized and employed for both T1- weighted MR and optical imaging.


Fabrication and properties of well-ordered arrays of single-crystalline NiSi2 nanowires and epitaxial NiSi2/Si heterostructures

Chenfu Chuang and Shaoliang Cheng (*)

Department of Chemical and Materials Engineering, Central University, Chung-Li City, Taoyuan 32001

DOI 10.1007/s12274-014-0519-7

Nano Research 2014, 7(11): 1592每1603

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This paper presents the first successful fabrication of well-ordered arrays of vertically-aligned, size- and position-controlled NiSi2/Si heterostructures and single-crystalline NiSi2 nanowires on (001)Si substrates. The obtained fully silicided NiSi2 nanowires array exhibited excellent field-emission properties, and the surface wettability of Si nanowires was found to switch from hydrophobic to hydrophilic after Ni silicidation.


Metastable amorphous chromium每vanadium oxide nanoparticles with superior performance as a new lithium battery cathode

Jinzhi Sheng, Qidong Li, Qiulong Wei, Pengfei Zhang, Qinqin Wang, Fan Lv, Qinyou An, Wei Chen (*), and Liqiang Mai (*)

State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, WUT每Harvard Joint Nano Key Laboratory, Wuhan University of Technology, Wuhan 430070, China
These authors contributed equally to this work.

DOI 10.1007/s12274-014-0520-1

Nano Research 2014, 7(11): 1604每1612

Address correspondence to Wei Chen,; Liqiang Mai,

Metastable amorphous Cr每V每O nanoparticles exhibit high specific capacity, rate capability and good cycling stability, which result from the particular Li+ diffusion channels related to the metastable amorphous structure.


Evolution of the Raman spectrum of graphene grown on copper upon oxidation of the substrate

Xiuli Yin1,∫, Yilei Li3,∫, Fen Ke1,∫, Chenfang Lin1, Huabo Zhao1, Lin Gan4, Zhengtang Luo4, Ruguang Zhao1, Tony F. Heinz3 (*), and Zonghai Hu1,2 (*)

1 State Key Laboratory for Artificial Microstructures and Mesoscopic Physics, School of Physics, Peking University, Beijing 100871, China
2 Collaborative Innovation Center for Quantum Matter, Beijing, China
3 Departments of Physics and Electrical Engineering, Columbia University, New York, NY 10027, USA
4 Department of Chemical and Biomolecular Engineering, Hong Kong University of Science and Technology, Kowloon, Hong Kong, China
These authors contributed equally to this work.

DOI 10.1007/s12274-014-0521-0

Nano Research 2014, 7(11): 1613每1622

Address correspondence to Tony F. Heinz,; Zonghai Hu,

The frequencies of the G and 2D Raman modes of graphene grown on copper undergo red shifts during oxidation of the copper substrate, while the intensities of the two bands increase by more than an order of magnitude.


Contactless probing of the intrinsic carrier transport in single-walled carbon nanotubes

Yize Stephanie Li, Jun Ge, Jinhua Cai, Jie Zhang, Wei Lu, Jia Liu, and Liwei Chen (*)

Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou, Jiangsu 215123, China
† Present address: Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
‡ Present address: Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA

DOI 10.1007/s12274-014-0522-z

Nano Research 2014, 7(11): 1623每1630

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The contactless dielectric force microscopy and conventional field-effect transistor techniques are employed to probe the intrinsic carrier transport properties on the same single-walled carbon nanotubes for comparison. Quantitative correlation between the methods and a microscopic model clearly demonstrate the parallel between the two methods.


Hybrid energy cell for simultaneously harvesting wind, solar, and chemical energies

Yingchun Wu1, Xiandai Zhong1, Xue Wang1, Ya Yang1 (*), and Zhong Lin Wang1,2 (*)

1 Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China
2 School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, USA

DOI 10.1007/s12274-014-0523-y

Nano Research 2014, 7(11): 1631每1639

Address correspondence to Ya Yang,; Zhong Lin Wang,

We report a hybrid energy cell that can simultaneously or individually harvest wind, solar, and chemical energies to power some electronic devices. By integrating a triboelectric nanogenerator, a solar cell, and an electrochemical cell, a hybrid energy cell has been fabricated to simultaneously scavenge three different types of energies.


Structure and quality controlled growth of InAs nanowires through catalyst engineering

Zhi Zhang1, Zhenyu Lu2, Hongyi Xu1, Pingping Chen2, Wei Lu2, and Jin Zou1,3 (*)

1 Materials Engineering, The University of Queensland, St. Lucia, Queensland 4072, Australia
2 National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, 500 Yu-Tian Road, Shanghai 200083, China
3 Centre for Microscopy and Microanalysis, The University of Queensland, St. Lucia, Queensland 4072, Australia

DOI 10.1007/s12274-014-0524-x

Nano Research 2014, 7(11): 1640每1649

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By tuning the indium concentration in the catalyst, defect-free zinc blende structure and defect-free wurtzite structure InAs nanowires can be fabricated by molecular beam epitaxy.


Polyelectrolyte multilayer electrostatic gating of graphene field-effect transistors

Yung Yu Wang1 and Peter J. Burke2 (*)

1 Department of Chemical Engineering and Materials Science, University of California, Irvine, Irvine, California 92697, USA
2 Department of Electrical Engineering and Computer Science, University of California, Irvine, Irvine, California 92697, USA

DOI 10.1007/s12274-014-0525-9

Nano Research 2014, 7(11): 1650每1658

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Schematic illustration of polyelectrolyte multilayers (polyallylamine hydrochloride (PAH) and sodium polystyrene sulfonate (PSS)) deposited on the surface of single layer graphene as well as transfer characteristics of graphene field-effect transistor (FET) devices as a function of the number of PAH/PSS multilayers.


Enhanced photodynamic therapy of mixed phase TiO2(B)/anatase nanofibers for killing of HeLa cells

Shuchao Zhang1,2, Dongjiang Yang3,4(*), Dengwei Jing5, Hongwei Liu6, Long Liu3, Yi Jia4, Meihua Gao2 (*), Liejin Guo5, and Ziyang Huo4 (*)

1 Department of Blood Transfusion, the Affiliated Hospital of Medical College, Qingdao University, Qingdao 266003, China
2 Department of Immunology, Medical College of Qingdao University, Qingdao266000, China
3 Collaborative Innovation Centre for Marine Biomass Fibers, Materials and Textiles of Shandong Province; College of Chemical and Environmental Engineering, Qingdao University, Qingdao, China
4 Queensland Micro- and Nanotechnology Centre (QMNC), Griffith University, Nathan, Brisbane, QLD 4111, Australia
5 International Research Center for Renewable Energy, State Key Laboratory of Multiphase Flow in Power Engineering, College of Chemistry, Chemical and Environmental Engineering, Xi*an Jiaotong University, Xi*an 710049, China
6 Australian Centre for Microscopy and Microanalysis (ACMM), the University of Sydney, Sydney, NSW 2006, Australia

DOI 10.1007/s12274-014-0526-8

Nano Research 2014, 7(11): 1659每1669

Address correspondence to Dongjiang Yang,; Meihua Gao,; Ziyang Huo,

Mixed phase nanofibers composed of TiO2(B) and anatase nanocrystals have been prepared and demonstrated as superb photosensitizers in more efficient apoptosis and neurosis of HeLa cells under UV light irradiation.


Solvent switching and purification of colloidal nano- particles through water/oil Interfaces within a density gradient

Yun Kuang, Sha Song, Xiaofei Liu, Minglin Li, Zhao Cai, Liang Luo, and Xiaoming Sun (*)

State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

DOI 10.1007/s12274-014-0527-7

Nano Research 2014, 7(11): 1670每1679

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Here we show a general and scalable colloid post-processing technique based on density gradient centrifugation through water/oil interfaces. Such a one-step technique can switch solvents at almost any concentration without colloid aggregation and also purify colloidal nanoparticles by decreasing impurities to minimum.


Highly stretchable pseudocapacitors based on buckled reticulate hybrid electrodes

Nan Zhang1,2, Pingshan Luan1,2, Weiya Zhou1 (*), Qiang Zhang1,2, Le Cai1,2, Xiao Zhang1,2, Wenbin Zhou1,2, Qingxia Fan1,2, Feng Yang1,2, Duan Zhao1,2, Yanchun Wang1, and Sishen Xie1 (*)

1 Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
2 University of Chinese Academy of Sciences, Beijing 100049, China

DOI 10.1007/s12274-014-0528-6

Nano Research 2014, 7(11): 1680每1690

Address correspondence to Weiya Zhou,; Sishen Xie,

Highly stretchable pseudocapacitors have been fabricated by integrating stretchable buckled electrodes of single-walled carbon nanotube/polyaniline hybrid reticulation on pre-elongated polydimethylsiloxane with a reinforced electrolyte penetration structure, which retain their excellent performance under a stretching of 120% elongation and work well even after 1,000 cyclic elongations.


Modulating the threshold voltage of oxide nanowire field-effect transistors by a Ga+ ion beam

Wenqing Li, Lei Liao, Xiangheng Xiao (*), Xinyue Zhao, Zhigao Dai, Shishang Guo, Wei Wu, Ying Shi, Jinxia Xu, Feng Ren, and Changzhong Jiang

Department of Physics and Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Wuhan University, Wuhan 430072, China

DOI 10.1007/s12274-014-0529-5

Nano Research 2014, 7(11): 1691每1698

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After Ga+ ion irradiation, oxide nanowire field-effect transistors show good performance, including a threshold voltage shift to negative gate voltage direction and enhancement of the carrier mobility.


Fabrication of chiral plasmonic oligomers using cysteine-modified gold nanorods as monomers

Shuai Hou1,2, Tao Wen1,2, Hui Zhang1,2, Wenqi Liu1,2, Xiaona Hu1,2, Rongyao Wang3 (*), Zhijian Hu1 (*), and Xiaochun Wu1 (*)

1 CAS Key Laboratory of Standardization and Measurement for Nanotechnology, National Center for Nanoscience and Technology, Beijing 100190, China
2 University of the Chinese Academy of Sciences, Beijing 100049, China
3 School of Physics, Key Laboratory of Cluster Science of Ministry of Education, Beijing Institute of Technology, Beijing 100081, China

DOI 10.1007/s12274-014-0530-z

Nano Research 2014, 7(11): 1699-1705

Address correspondence to Xiaochun Wu,; Zhijian Hu,; Rongyao Wang,

Chiral molecules adsorbed on the surface of gold nanorods dictate the twist direction when the nanorods undergo side-by-side assembly. The resulting oligomers exhibit large and tunable plasmonic circular dichroism.


Rationally designed carbon-coated Fe3O4 coaxial nanotubes with hierarchical porosity as high-rate anodes for lithium ion batteries

Fei Han1,∫, Lingjuan Ma2,3,∫, Qiang Sun1, Cheng Lei1, and Anhui Lu1 (*)

1 State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
2 State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
3 School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, China
These authors contributed equally to this work.

DOI 10.1007/s12274-014-0531-y

Nano Research 2014, 7(11): 1706每1717

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A well-defined tubular structure constructed by carbon-coated Fe3O4 has been successfully fabricated with hierarchically porous structure, high surface area, and suitable thickness of carbon layer. The Fe3O4 @C nanotubes manifest high reversible capacity, excellent cycling performance with a capacity retention of ca. 103% after 150 cycles and rapid charge/discharge capability.


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