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Robust Optimization of the Output Voltage of Nanogenerators by Statistical Design of Experiments

Jinhui Song1,∫, Huizhi Xie2,∫, Wenzhuo Wu1, V. Roshan Joseph2, C. F. Jeff Wu2 (), and Zhong Lin Wang1 ()
1 School of Materials Science and Engineering,
2 School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0205, USA
 These authors contributed equally to the work.

DOI 10.1007/s12274-010-0029-1

Nano Res. 2010, 3(9): 613每619

Address correspondence to Zhong Lin Wang,; C. F. Jeff Wu,

By using statistical model to optimize experimental parameters, nanogenerator has tripled the average output voltage than that of conventional one.


Aqueous Synthesis of Mesostructured BiVO4 Quantum Tubes with Excellent Dual Response to Visible Light and Temperature

Yongfu Sun, Yi Xie (), Changzheng Wu, Shudong Zhang, and Shishi Jiang
Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei 230026, China

DOI 10.1007/s12274-010-0022-8

Nano Res. 2010, 3(9): 620每631

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Mesostructured BiVO4 quantum tubes, with ultranarrow diameter of 5 nm, ultrathin wall thickness down to 1 nm and exposed {020} facets, have been synthesized via a hydrothermally-mediated assembly每fusion strategy at temperatures as low as 100 ∼C. This method afforded high-quality quantum tubes exhibiting greatly enhanced dual response to visible light and temperature compared with bulk BiVO4. The materials have potential applications as visible-light photocatalysts and eco-benign temperature indicators offering improved environmental quality and safety.


Facile Synthesis of Porous Carbon Nitride Spheres with Hierarchical Three-Dimensional Mesostructures for CO2 Capture

Qiang Li1, Jianping Yang1, Dan Feng1, Zhangxiong Wu1, Qingling Wu1, Sung Soo Park2, Chang-Sik Ha2, and Dongyuan Zhao1 ()
Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China
2 Department of Polymer Science and Engineering, Pusan National University, Geumjeong-gu, Busan 609-735, Korea

DOI 10.1007/s12274-010-0023-7

Nano Res. 2010, 3(9): 632每642

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Hierarchical porous carbon nitride spheres with partially crystalline pore walls have been synthesized via a nanocasting approach by using mesoporous silica spheres as a hard template, and ethylenediamine and carbon tetrachloride as precursors; they exhibit excellent CO2- capture performance and stability to cycling when acting as a sorbent.


Synthesis of Porous NiO Nanocrystals with Controllable Surface Area and Their Application as Supercapacitor Electrodes

Xiaojun Zhang1,2, Wenhui Shi1, Jixin Zhu1, Weiyun Zhao1, Jan Ma1, Subodh Mhaisalkar1,3, Tuti Lim Maria4,5, Yanhui Yang6, Hua Zhang1, Huey Hoon Hng1 (), and Qingyu Yan1,3 ()
1 School of Materials Science and Engineering, Nanyang Technological University, 639798, Singapore
2 College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China
3 Energy Research Institute, Nanyang Technological University, 637459, Singapore
4 School of Civil and Environmental Engineering, Nanyang Technological University, 639798, Singapore
5 School of Life Sciences and Chemical Technology, Ngee Ann Polytechnic, 535 Clementi Road, Singapore
6 School of Chemical and Biomolecular Engineering, Nanyang Technological University, 637459, Singapore

DOI 10.1007/s12274-010-0024-6

Nano Res. 2010, 3(9): 643每652

Address correspondence to Huey Hoon Hng,; Qingyu Yan,

Porous NiO nanocrystals with controlled morphology and total surface area have been formed by controlled thermal decomposition and re-crystallization of -Ni(OH)2. Electrochemical analysis revealed the structure-dependence of the specific charge capacitance for these porous NiO nanocrystals, e.g., 390 F/g for nanocolumns due to their large surface area as high as 102 m2/g, but only 176 F/g for nanoslices with a surface area of 11 m2/g.


A Stable, Wideband Tunable, Near Transform-Limited, Graphene- Mode-Locked, Ultrafast Laser

Zhipei Sun1, Daniel Popa1, Tawfique Hasan1, Felice Torrisi1, Fengqiu Wang1, Edmund J. R. Kelleher2, John C. Travers2, Valeria Nicolosi3, and Andrea C. Ferrari1 ()
1 Department of Engineering, University of Cambridge, Cambridge CB3 0FA, UK
2 Physics Department, Imperial College, London SW7 2AZ, UK
3 Department of Materials, University of Oxford, Oxford OX1 3PH, UK

DOI 10.1007/s12274-010-0026-4

Nano Res. 2010, 3(9): 653每660

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Stable, wideband tunable, near-transform limited ultrafast pulse generation (see the right figure) has been achieved with a fiber laser mode-locked by graphene (see the left figure). The wideband operation capability of graphene holds great promises for various photonic applications including biomedical research, spectroscopy and telecommunications.


Efficient and Large-Scale Synthesis of Few-Layered Graphene Using an Arc-Discharge Method and Conductivity Studies of the Resulting Films

Yingpeng Wu, Bin Wang, Yanfeng Ma, Yi Huang, Na Li, Fan Zhang, and Yongsheng Chen ()
Key Laboratory of Functional Polymer Materials and Center for Nanoscale Science & Technology, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China

DOI 10.1007/s12274-010-0027-3

Nano Res. 2010, 3(9): 661每669

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An arc-discharge method using a buffer gas containing carbon dioxide has been developed for the efficient and large-scale synthesis of few-layered graphene. Highly flexible films with good conductivity can be easily fabricated from the resulting few-layered graphene solutions and the film conductivity remains unchanged even after more than 1500 bending cycles.


Electromagnetic Synergetic Actuators Based on Polypyrrole/Fe3O4 Hybrid Nanotube Arrays

Mingjie Liu2, 3, Xueli Liu1, 3, Jingxia Wang1, Zhixiang Wei2 (),
and Lei Jiang1 ()
1 Center of Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
2 National Center for Nanoscience and Technology, Beijing 100190, China
3 Graduate School of the Chinese Academy of Sciences, Beijing 100049, China

DOI 10.1007/s12274-010-0028-2

Nano Res. 2010, 3(9): 670每675

Address correspondence to Lei Jiang,; Zhixiang Wei,

Electromagnetic synergetic actuators based on polypyrrole/Fe3O4 hybrid nanotube arrays have been fabricated by electrochemical polymerization. The resulting dual-responsive actuator can perform biomimetic movements like arm每hand coordination, where a magnetic field can be used for primary large-scale angular actuation like an arm, and then an electric potential employed for secondary small-scale angular adjustments like a hand.


Monodisperse Nickel Nanoparticles Supported on SiO2 as an Effective Catalyst for the Hydrolysis of Ammonia每Borane

Önder Metin1,2, Saim Özkar1, and Shouheng Sun2 ()
1 Department of Chemistry, Middle East Technical University, 06531, Ankara, Turkey
2 Department of Chemistry, Brown University, Providence, Rhode Island 02912, USA

DOI 10.1007/s12274-010-0031-7

Nano Res. 2010, 3(9): 676每684

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Monodisperse nickel nanoparticles have been synthesized by the reduction of nickel(j) acetylacetonate with the borane每tributylamine complex in oleylamine and oleic acid. When supported on SiO2, the nickel nanoparticles showed the highest activity ever reported for nickel-catalyzed hydrolysis of the ammonia每borane complex in terms of hydrogen release under ambient conditions.


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