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Silicene nanoribbons as carbon monoxide nanosensors with molecular resolution

Tim H. Osborn and Amir A. Farajian(*)


Department of Mechanical and Materials Engineering, Wright State University, Dayton, Ohio 45435, USA

DOI 10.1007/s12274-014-0454-7

Nano Research 2014, 7(7): 945每952

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We explore silicene nanoribbons, recently fabricated single-atom thick silicon structures, with and without silver contacts for building nanoscale sensors capable of detecting carbon monoxide with molecular resolution.


Bivariate-continuous-tunable interface memristor based on Bi2S3 nested nano-networks

Ye Tian1,2, Chuangfei Guo3, Shengming Guo1, Taifung Yu5,

and Qian Liu1,4 (*)


1 National Center for Nanoscience and Technology (NCNST), China. No.11, Beiyitiao, Zhongguancun, Beijing 100190, China
2 Hunan City University, Yiyang, Hunan, 413000, China
3 Department of Physics, Boston College, Chestnut Hill, MA 02467, USA
4 Taida Applied Physics School, Nankai University, Tianjin 300457, China
5 Department of Physics, The University of Hong Kong, Pokfulam Road, Hong Kong SAR, China

DOI 10.1007/s12274-014-0456-5

Nano Research 2014, 7(7): 953每962

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We propose a memristor based on an interface between fluorine- doped tin oxide (FTO) and Bi2S3 nested nano-networks, successfully realizing continuously tunable resistance controlled by both voltage (current) and its applied time. The brain-like memorizing capability of the memristor is also demonstrated. The memoristive mechanism in the interface is thought to be dominated by a Schottky barrier tuned by the capture/release of the carriers in interface traps with dispersive energy.


Selective suspension of single layer graphene mechanochemically exfoliated from carbon nanofibres

Antonio Esa迆 Del Rio-Castillo1, C谷sar Merino2, Enrique D赤ez-Barra1, and Ester V芍zquez1 (*)

1 Departamento de Qu赤mica Org芍nica, Facultad de Ciencias y Tecnolog赤as Qu赤micas-IRICA, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain
2 Grupo Antol赤n Ingenier赤a, S.A. Burgos E09007, Spain

DOI 10.1007/s12274-014-0457-4

Nano Research 2014, 7(7): 963每972

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The mechano-chemical synthesis of graphene monolayers from carbon fibres and the selective sorting of few- and mono-layers of graphene has been achieved.


Enhanced photocurrent and photoluminescence spectra in MoS2 under ionic liquid gating

Zhen Li1, Shun-Wen Chang2, Chun-Chung Chen1,

and Stephen B. Cronin1,2 (*)

1 Department of Electrical Engineering,

2 Department of Physics, University of Southern California, 3737 Watt Way, PHE 624 Los Angeles, CA 90089, USA

DOI 10.1007/s12274-014-0459-2

Nano Research 2014, 7(7): 973每980

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This article constitutes the first experimental measurement of photocurrent spectra from monolayer MoS2. We report substantial improvements (two- to three-fold) and modulation in the photoluminescence efficiency and photocurrent of monolayer MoS2 flakes under both ionic liquid and electrostatic gating. This improvement arises from the passivation of surface states and trapped charge of the material.


Metal-film-assisted ultra-clean transfer of single-walled carbon nanotubes

Yujun He, Dongqi Li, Tianyi Li, Xiaoyang Lin, Jin Zhang, Yang Wei (*), Peng Liu, Lina Zhang, Jiaping Wang, Qunqing Li, Shoushan Fan, and Kaili Jiang (*)

State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics & Tsinghua-Foxconn Nanotechnology Research Center, Tsinghua University, Beijing 100084, China

DOI 10.1007/s12274-014-0460-9

Nano Research 2014, 7(7): 981每989

Address correspondence to Yang Wei,; Kaili Jiang,

A metal-film-assisted method realizes an ultra-clean transfer of single-walled carbon nanotubes (SWCNTs) mediated by poly(methyl methacrylate) (PMMA). The amount of PMMA residue can be greatly reduced due to its strong physical adhesion to the metal film. Clear Schottky barriers can be observed in cross-stacked SWCNT networks fabricated by multiple transfers. The relatively low tem- perature employed also allows this technique to be compatible with nanomaterial-based flexible electronics.


Dipole-moment-induced effect on contact electrification for triboelectric nanogenerators

Peng Bai1,2,∫, Guang Zhu1,∫, Yu Sheng Zhou1,∫, Sihong Wang1, Jusheng Ma2, Gong Zhang2, and Zhong Lin Wang1,3 (*)

1 School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, USA
2 Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
3 Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, China
Authors with equal contribution and order of authors determined by coin toss.

DOI 10.1007/s12274-014-0461-8

Nano Research 2014, 7(7): 990每997

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This work provides a new approach to effectively enhance the output power density of triboelectric nanogenerators (TENGs) for harvesting mechanical energy. The effect of the intrinsic dipole moment in polarized polyvinylidene fluoride (PVDF) thin films on the electrical output of TENGs has been investigated.


High-precision transfer-printing and integration of vertically oriented semiconductor arrays for flexible device fabrication

Mark Triplett1,2, Hideki Nishimura4, Matthew Ombaba1, V. J. Logeeswarren1, Matthew Yee1, Kazim G. Polat1, Jin Y. Oh1, Takashi Fuyuki4, François L谷onard3, and M. Saif Islam1 (*)

1 Center for Nano and Micro Manufacturing and Department of Electrical and Computer Engineering, University of California, Davis, CA 95616, USA
2 Department of Physics, University of California, Davis, CA 95616, USA
3 Sandia National Laboratories, Livermore, CA 94551, USA
4 Microelectronic Device Science Laboratory, Nara Institute of Science and Technology, Japan

DOI 10.1007/s12274-014-0462-7

Nano Research 2014, 7(7): 998每1006

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A high precision vertical transfer printing method for arrays of single crystalline semiconductor materials is presented along with complementary integration processes for flexible devices. Robust contacts to transferred silicon wire arrays with reversible tactile characteristics are demonstrated representing silicon based, non- piezoelectric, and flexible tactile sensors.


A nanoporous oxide interlayer makes a better Pt catalyst on a metallic substrate: Nanoflowers on a nanotube bed

Hongyi Li1,2, Jinshu Wang1 (*), Man Liu1, Hong Wang1, Penglei Su1, Junshu Wu1, and Ju Li2 (*)

1 Key Laboratory of Advanced Materials, College of Materials and Engineering, Beijing University of Technology, Beijing 100124, China
2 Department of Nuclear Science and Engineering and Department of Materials Science andEngineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

DOI 10.1007/s12274-014-0464-5

Nano Research 2014, 7(7): 1007每1017

Address correspondence to Jinshu Wang,; Ju Li,

A layer of TiO2 nanotubes dramatically improves the electrocatalytic activity and mechanical stability of Pt nanoparticles when used for methanol oxidation.


Hollow micro- and nano-particles by gas foaming

Silvia Orsi1, Ernesto Di Maio2 (*), Salvatore Iannace3, and Paolo A. Netti1,2

1 Center for Advanced Biomaterials for Health Care, Istituto Italiano di Tecnologia (IIT@CRIB), Largo Barsanti e Matteucci, 50, Napoli 80125, Italy
2 Dipartimento di Ingegneria Chimica, dei Materiali e della Produzione Industriale and Interdisciplinary Research Centre on Biomaterials (CRIB), Universit角 degli Studi di Napoli Federico II, P.le Tecchio 80, Napoli 80125, Italy
3 Institute for Polymers, Composites and Biomaterials, Consiglio Nazionale delle Ricerche, P.le E. Fermi 1, Portici (Na) 80055, Italy

DOI 10.1007/s12274-014-0465-4

Nano Research 2014, 7(7): 1018每1026

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Gas foaming has been utilized to produce hollow micrometric and nanometric particles. To do so, a ※containing-barrier-deformation/ stress transfer§-film approach has been used, where a removable film embedding the particles serves for the three functions of: (i) Containing the particles for ease of handling, (ii) avoiding the loss of the blowing agent and (iii) allowing the non-isotropic deformation of the particles as well as of the hollows. The numerous available processing variables as well as the independence between the particle formation and the hollow formation stages allow for the achievement of several particle shapes, dimensions and materials and of several hollow attributes.


Green and low temperature synthesis of nanocrystalline transition metal ferrites by simple wet chemistry routes

Stefano Diodati1, Luciano Pandolfo2, Andrea Caneschi3, Stefano Gialanella4, and Silvia Gross1,2 (*)

1 Istituto per l*Energetica e le Interfasi, IENI-CNR and INSTM, UdR di Padova, via Marzolo, 1, I-35131, Padova, Italy
2 Dipartimento di Scienze Chimiche, Universit角 degli Studi di Padova, via Marzolo, 1, I-35131, Padova, Italy
3 Laboratory of Molecular Magnetism, LAMM Dipartimento di Chimica e UdR INSTM di Firenze, Polo Scientifico, Via della Lastruccia, 3, 50019, Sesto Fiorentino (FI), Italy
4 Dipartimento di Ingegneria Industriale, Universit角 degli Studi di Trento, via Mesiano 77, I-38123, Trento, Italy

DOI 10.1007/s12274-014-0466-3

Nano Research 2014, 7(7): 1027每1042

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Coprecipitation of oxalates and hydrothermal synthesis are combined to prepare the highly crystalline cobalt, nickel, zinc and manganese spinel ferrites CoFe2O4, NiFe2O4, ZnFe2O4, and MnFe2O4 at 75 ∼C


Hierarchical hollow Li4Ti5O12 urchin-like microspheres with ultra-high specific surface area for high rate lithium ion batteries

Jin Cheng, Renchao Che (*), Chongyun Liang, Jiwei Liu, Min Wang, and Junjie Xu

Department of Material Science and Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China

DOI 10.1007/s12274-014-0467-2

Nano Research 2014, 7(7): 1043每1053

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Hierarchical hollow Li4Ti5O12 urchin microspheres with ultra-high specific surface area of over 140 m2﹞g每1 have been successfully synthesized and have a high specific capacity of 120 mA﹞h﹞g每1 at 20 C. Electron energy loss spectroscopy at different charge每discharge stages reveals the charge每discharge chemical state valence change of the hierarchical hollow Li4Ti5O12 urchin-like microspheres.


Active catalysts based on cobalt oxide@cobalt/N每C nanocomposites for oxygen reduction reaction in alkaline solutions

Dekang Huang, Yanping Luo, Shaohui Li, Bingyan Zhang, Yan Shen (*), and Mingkui Wang (*)

Wuhan National Laboratory for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology,1037 Luoyu Road, Wuhan 430074, China

DOI 10.1007/s12274-014-0468-1

Nano Research 2014, 7(7): 1054每1064

Address orrespondence to Yan Shen,; Mingkui Wang,

A catalyst based on CoO@Co/N每C nanocomposite exhibits high electrocatalytic activity towards oxygen reduction reaction (ORR) in alkaline solutions with a dominant four-electron pathway, long- term stability and excellent methanol tolerance.


Filament growth dynamics in solid electrolyte-based resistive memories revealed by in situ TEM

Xuezeng Tian, Lifen Wang, Jiake Wei, Shize Yang, Wenlong Wang, Zhi Xu (*), and Xuedong Bai (*)

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

DOI 10.1007/s12274-014-0469-0

Nano Research 2014, 7(7): 1065每1072

Address correspondence to Zhi Xu,; Xuedong Bai,

Real-time imaging of the filament growth process of a resistive memory has been achieved using a specially designed sample. By combining the in situ TEM technique and finite element method simulations, the correlation between the conductive filament growth and the electric field distribution and several other factors has been demonstrated.


Ultralong-life and high-rate web-like Li4Ti5O12 anode for high-performance flexible lithium-ion batteries

Xianfu Wang1,2, Bin Liu2, Xiaojuan Hou2, Qiufan Wang2, Wenwu Li2, Di Chen2, and Guozhen Shen1 (*)

1 State Key Laboratory for Superlattices and Microstructures, Institution of Semiconductors, Chinese Academy of Science, Beijing 100083, China
2 Wuhan National Laboratory for Optoelectronics (WNLO) and School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), Wuhan 430074, China

DOI 10.1007/s12274-014-0470-7

Nano Research 2014, 7(7): 1073每1082

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An ultralong-life and high-rate web-like Li4Ti5O12 anode assembled with nanowires has been fabricated for use in flexible lithium-ion batteries, and exhibits excellent flexibility combined with high rate capability and cycling stability even in the bent state.


Piezotronic effect enhanced Schottky-contact ZnO micro/nanowire humidity sensors

Guofeng Hu1,∫, Ranran Zhou1,∫, Ruomeng Yu2,∫, Lin Dong1, Caofeng Pan1 (*), and Zhong Lin Wang1,2 (*)

1 Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing100083, China
2 School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, USA
These authors contributed equally to this work.

DOI 10.1007/s12274-014-0471-6

Nano Research 2014, 7(7): 1083每1091

Address correspondence to Caofeng Pan,; Zhong Lin Wang,

This work provides a new approach to markedly improve the sensitivity and sensing resolution, as well as significantly enhance the signal level, of Schottky-contact structured micro/nanowire sensing systems by means of the piezotronic effect.


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