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A review of self-assembled monolayers as potential terahertz frequency tunnel diodes

Michael Celestin1, Subramanian Krishnan3, Shekhar Bhansali3, Elias Stefanakos2, and D. Yogi Goswami1 (*)

1 Department of Chemical & Biomedical Engineering, University of South Florida, Tampa, FL 33620, USA
2 Department of Electrical Engineering, University of South Florida, Tampa, FL 33620, USA
3 Department of Electrical & Computer Engineering, Florida International University, Miami, FL 33174, USA

DOI 10.1007/s12274-014-0429-8

Nano Research 2014, 7(5): 589每625

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Selection, use, and test bed fabrication of SAM-based junctions are reviewed in detail with respect to functional devices. Applications of the functional THz rectifiers include energy harvesting, computing, and use as detectors.


Curved carbon nanotubes: From unique geometries to novel properties and peculiar applications

Lizhao Liu1,2, Feng Liu2 (*), and Jijun Zhao1 (*)

1 Key Laboratory of Materials Modification by Laser, Ion and Electron Beams (Dalian University of Technology), Ministry of Education, Dalian 116024, China
2 Department of Materials Science and Engineering, University of Utah, Salt Lake City, Utah 84112, USA

DOI 10.1007/s12274-014-0431-1

Nano Research 2014, 7(5): 626每657

Address correspondence to Feng Liu,; Jijun Zhao,

By introducing pentagons and heptagons into pristine carbon nanotubes (CNTs), various curved carbon nanostructures can be formed due to change of curvature. Here, zero-dimensional toroidal CNTs, and one-dimensional kinked and coiled CNTs are reviewed, covering their unique geometries, novel properties and specific applications.


AS1411 aptamer-conjugated Gd2O3:Eu nanoparticles for target-specific computed tomography/magnetic resonance/fluorescence molecular imaging

Tsungrong Kuo1,2, Weiyun Lai3,4, Chenghung Li1, Yanjhan Wun1, Huancheng Chang2, Jinnshiun Chen5, Panchyr Yang6, and Chiachun Chen1,2 (*)


1 Department of Chemistry, ※National Taiwan Normal University§, Taipei 116, Taiwan, China
2 Institute of Atomic and Molecular Science, ※Academia Sinica§, Taipei 106, Taiwan, China
3 Molecular Medicine Program, Taiwan International Graduate Program, Institute of Biomedical Sciences, ※Academia Sinica§, Taipei 115, Taiwan, China
4 Institute of Biochemistry and Molecular Biology, School of Life Sciences, ※National Yang-Ming University§, Taipei 112, Taiwan, China
5 Division of Colorectal Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taoyuan 333, Taiwan, China
6 College of Medicine, ※National Taiwan University§, Taipei 106, Taiwan, China

DOI 10.1007/s12274-014-0420-4

Nano Research 2014, 7(5): 658每669

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Europium-doped gadolinium oxide (Gd2O3:Eu) nanoparticles conjugated with AS1411 aptamer (A-GdO:Eu) present strong fluorescence in the visible range, high magnetic susceptibility, X-ray attenuation and good biocompatibility and can be employed in fluorescence, magnetic resonance and computed tomography molecular imaging.


Superhydrophobic and antireflective nanograss-coated glass for high performance solar cells

Hyo Jin Gwon1,2, Yensil Park3, Cheon Woo Moon4, Sahn Nahm2, Seok-Jin Yoon1, Soo Young Kim3 (*), and Ho Won Jang4 (*)

1 Electronic Materials Research Center, Korea Institute of Science and Technology, Seoul 136-791, Korea
2 Department of Materials Science and Engineering, Korea University, Seoul 136-701, Korea
3 School of Chemical Engineering and Materials Science, Chung-Ang University, Seoul 156-756, Korea
4 Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul 151-744, Korea

DOI 10.1007/s12274-014-0427-x

Nano Research 2014, 7(5): 670每678

Address correspondence to Soo Young Kim,; Ho Won Jang,

We present a facile method for producing superhydrophobic nanograss-coated (SNGC) glass surfaces that possess both reduced reflectivity and self-cleaning properties at the air/glass interface. Using the SNGC glass, we demonstrate superhydrophobic and antireflective organic photovoltaic cells with improved power conversion efficiency.


Large work function shift of organic semiconductors inducing enhanced interfacial electron transfer in organic optoelectronics enabled by porphyrin aggregated nanostructures

Maria Vasilopoulou1 (*), Antonios M. Douvas1, Dimitra G. Georgiadou1, Vassilios Constantoudis1, Dimitris Davazoglou1, Stella Kennou2, Leonidas C. Palilis3, Dimitra Daphnomili4, Athanassios G. Coutsolelos4, and Panagiotis Argitis1


1 Institute of Nanoscience and Nanotechnology (INN), National Center for Scientific Research ※Demokritos§, 153 10 Aghia Paraskevi Attikis, Athens, Greece
2 Department of Chemical Engineering, University of Patras, 26500 Patras, Greece
3 Departmen of Physics, University of Patras, 26500 Patras, Greece
4 Laboratory of Bioinorganic Chemistry, Chemistry Department, University of Crete, Voutes Campus, 71003 Heraklion, Crete, Greece

DOI 10.1007/s12274-014-0428-9

Nano Research 2014, 7(5): 679每693

Address correspondence to

Porphyrin nanoaggregated layers are used to induce large work function shift on organic semiconductors. Significant enhancement in the efficiencies of organic light emitting diodes and organic photovoltaics was observed after the insertion at the cathode interface of a layer consisting of the porphyrin 1 having its molecules arranged with a face-to-face orientation.


Highly sensitive phototransistors based on twodimensional GaTe nanosheets with direct bandgap

Pingan Hu1 (*), Jia Zhang1, Mina Yoon2, Xiao-Fen Qiao3, Xin Zhang3, Wei Feng1, Pingheng Tan3 (*), Wei Zheng1, Jingjing Liu1, Xiaona Wang1, Juan C. Idrobo2, David B. Geohegan2, and Kai Xiao2(*)


1 Key Lab of Microsystem and Microstructure, Harbin Institute of Technology, Ministry of Education, No. 2 Yikuang Street, Harbin, 150080, China
2 Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, One Bethel Valley Road, Oak Ridge, TN, 37831, USA
3 State Key Laboratory of Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

DOI 10.1007/s12274-014-0430-2

Nano Research 2014, 7(5): 694每703

Address correspondence to Pingan Hu,; Pingheng Tan,; Kai Xiao,

The field effect transistors and photodetectors of two-dimensional GaTe nanosheets have been demonstrated. Photodetectors based on 2D GaTe with a direct bandgap show broad spectral response and ultrahigh photoresponsivity and detectivity.


High densities of magnetic nanoparticles supported on graphene fabricated by atomic layer deposition and their use as efficient synergistic microwave absorbers

Guizhen Wang1,2,3, Zhe Gao1, Gengping Wan3, Shiwei Lin3, Peng Yang1,2, and Yong Qin1 (*)

1 State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
2 University of Chinese Academy of Sciences, Beijing 100039, China
3 Key Laboratory of Chinese Education Ministry for Tropical Biological Resources, Hainan University, Haikou 570228, China

DOI 10.1007/s12274-014-0432-0

Nano Research 2014, 7(5): 704每716

Address correspondence to

High densities of magnetic nanoparticles with a narrow size distribution anchored on graphene have been synthesized by atomic layer deposition. The composites exhibit remarkably improved electromagnetic absorption properties with lower filling ratio and coating thickness compared with pristine graphene and other recently reported materials.


Direct synthesis of highly conductive poly(3,4- ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS)/graphene composites and their applications in energy harvesting systems

Dohyuk Yoo1, Jeonghun Kim2, and Jung Hyun Kim1 (*)

1 Department of Chemical and Biomolecular Engineering, Yonsei University 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Republic of Korea
2 Electronic Materials Division, R&D Center, Dongjin Semichem Co., Ltd. 625-3 Yodang-Ri, Yanggam-Myeon, Hwaseong-Gun, Gyeonggi-Do, Republic of Korea

DOI 10.1007/s12274-014-0433-z

Nano Research 2014, 7(5): 717每730

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Highly conductive PEDOT:PSS/graphene composites were directly synthesized by in situ polymerization. The electrical conductivity of the composite film was enhanced by 40.6%, reaching 637 S﹞cm−1 by introduction of 3 wt% graphene without any further complex reduction processes of graphene.


Composites of small Ag clusters confined in the channels of well-ordered mesoporous anatase TiO2 and their excellent solar-light-driven photocatalytic performance

Wei Zhou1, Ting Li1, Jianqiang Wang2, Yang Qu1, Kai Pan1, Ying Xie1, Guohui Tian1, Lei Wang1, Zhiyu Ren1, Baojiang Jiang1, and Honggang Fu1 (*)

1 Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People*s Republic of China, Heilongjiang University, Harbin 150080, China
2 Shanghai Synchrotron Radiation Facility (SSRF), Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201204, China

DOI 10.1007/s12274-014-0434-y

Nano Research 2014, 7(5): 731每742

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Small Ag clusters confined in the channels of ordered mesoporous anatase TiO2 have been fabricated via a vacuum-assisted wetimpregnation method and shown to exhibit excellent solar-lightdriven photocatalytic performance, owing to the synergistic effects between small Ag clusters acting as traps to effectively capture the photogenerated electrons, and the surface plasmon resonance.


Large-area nanopatterned graphene for ultrasensitive gas sensing

Alberto Cagliani (*), David Micheal Angus Mackenzie, Lisa Katharina Tschammer, Filippo Pizzocchero, Kristoffer Almdal, and Peter Bøggild (*)


DTU Nanotech每Center for Nanostructured Graphene (CNG) and Department of Micro- and Nanotechnology, Technical University of Denmark, Building 345 Ørsteds Plads, 2800 Kgs. Lyngby, Denmark

DOI 10.1007/s12274-014-0435-x

Nano Research 2014, 7(5): 743每754

Address correspondence to Alberto Cagliani,; Peter Bøggild, peter.bø

Chemical vapor deposition (CVD) graphene has been nanopatterned using a spherical block copolymer etch mask and tested as a NO2 supersensitive sensor. The nanopatterned graphene devices open a new way for scalable fabrication of NO2 sensors with more than one order of magnitude higher response than CVD graphene in the sub-100 ppb range.


Rapid, cost-effective DNA quantification via a visuallydetectable aggregation of superparamagnetic silica每magnetite nanoparticles

Qian Liu1,4, Jingyi Li1,4, Hongxue Liu5, Ibrahim Tora1, Matthew S. Ide6, Jiwei Lu5, Robert J. Davis6, David L. Green6, and James P. Landers1,2,3,4 (*)

1 Department of Chemistry, University of Virginia, McCormick Road, P. O. Box 400319, Charlottesville 22904, Virginia, USA
2 Department of Pathology, University of Virginia Health Science Center, Charlottesville 22908, Virginia, USA
3 Department of Mechanical Engineering, University of Virginia, Charlottesville 22904, Virginia, USA
4 Center for Microsystems for the Life Sciences, University of Virginia, Charlottesville 22904, Virginia, USA
5 Department of Materials Science & Engineering, University of Virginia, P. O. Box 400745, 395 McCormick Road, Charlottesville 22904-4745, Virginia, USA
6 Department of Chemical Engineering, University of Virginia. 123 Engineers* Way, Charlottesville 22904, Virginia, USA

DOI 10.1007/s12274-014-0436-9

Nano Research 2014, 7(5): 755每764

Address correspondence to

Fe3O4@SiO2 nanoparticles have been synthesized by a solvothermal reaction. Combining DNA strands and Fe3O4@SiO2 nanoparticles forms aggregate under a rotating magnetic field in a chaotropic environment; the aggregate size correlates closely with the DNA concentration and length, and DNA quantification is realized by simple image analysis.


One-pot facile fabrication of carbon-coated Bi2S3 nanomeshes with efficient Li-storage capability

Yang Zhao1, Dongliang Gao2, Jiangfeng Ni1(*), Lijun Gao 1, Juan Yang2, and Yan Li2 (*)

1 School of Energy & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, China
2 Key Laboratory for the Physics and Chemistry of Nanodevices, Beijing National Laboratory for Molecular Science, 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/s12274-014-0437-8

Nano Research 2014, 7(5): 765每773

Address correspondence to Jianfang Ni,; Yan Li,

Carbon coated Bi2S3 nanomesh assemblies (Bi2S3/C) were prepared via a facile hydrothermal process and exhibited a superior Li-storage capability.


Ni nanoparticles supported on carbon as efficient catalysts for the hydrolysis of ammonia borane

Limin Zhou, Tianran Zhang, Zhanliang Tao (*), and Jun Chen

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

DOI 10.1007/s12274-014-0438-7

Nano Research 2014, 7(5): 774每781

Address correspondence to

Ni nanoparticles (about 10 nm in size) supported on carbon have been prepared by the calcination of a nickel metal每organic framework (Ni-MOF) compound at 700 ∼C under Ar followed by reduction with KBH4 and shown to be efficient catalysts for the hydrolysis of ammonia borane.


Unexpected luminescence enhancement of upconverting nanocrystals by cation exchange with well retained small particle size

Mingliang Deng and Leyu Wang (*)

State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, School of Science, Beijing University of Chemical Technology, Beijing 100029, China

DOI 10.1007/s12274-014-0439-6

Nano Research 2014, 7(5): 782每793

Address correspondence to

Via a facile in situ cation exchange strategy, the upconversion luminescence of NaYF4 nanocrystals has been dramatically enhanced about 29 times while the particle size has no obvious change, which is highly desirable for biomedical applications due to the strong emission and small particle sizes.


Mesocrystal Co3O4 nanoplatelets as high capacity anode materials for Li-ion batteries

Dawei Su1,2, Shixue Dou1 (*), and Guoxiu Wang2 (*)

1 Institute for Superconducting & Electronic Materials, University of Wollongong, Wollongong, NSW 2522, Australia
2 Centre for Clean Energy Technology, School of Chemistry and Forensic Science, University of Technology Sydney, Broadway, Sydney, NSW 2007, Australia

DOI 10.1007/s12274-014-0440-0

Nano Research 2014, 7(5): 794每803

Address correspondence to Shixue Dou,; Guoxiu Wang,

Mesocrystal Co3O4 nanoplatelets demonstrate excellent electrochemical performance for Li-ion batteries.


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