Friday, February 28, 2014

Poly-4-vinylphenol and poly(melamine-co-formaldehyde)-based graphene passivation method for flexible, wearable and transparent electronics




Nanoscale , 2014, Advance Article

DOI: 10.1039/C3NR06517K, Paper

In-yeal Lee, Hyung-Youl Park, Jin-hyung Park, Gwangwe Yoo, Myung-Hoon Lim, Junsung Park, Servin Rathi, Woo-Shik Jung, Jeehwan Kim, Sang-Woo Kim, Yonghan Roh, Gil-Ho Kim, Jin-Hong Park

PVP/PMF-based insulating layers for graphene-based FWTEs were proposed.

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Self-assembled nanowire array capacitors: capacitance and interface state profile

Direct characterization of the capacitance and interface states is very important for understanding the electronic properties of a nanowire transistor. However, the capacitance of a single nanowire is too small to precisely measure. In this work we have fabricated metal–oxide–semiconductor capacitors based on a large array of self-assembled Si nanowires. The capacitance and conductance of the nanowire array capacitors are directly measured and the interface state profile is determined by using the conductance method. We demonstrate that the nanowire array capacitor is an effective platform for studying the electronic properties of nanoscale interfaces. This approach provides a useful and efficient metrology for the study of the physics and device properties of nanoscale metal–oxide–semiconductor structures.

Qiliang Li, Hao D Xiong, Xuelei Liang, Xiaoxiao Zhu, Diefeng Gu, Dimitris E Ioannou, Helmut Baumgart and Curt A Richter

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Facile nucleation of gold nanoparticles on graphene-based thin films from Au 144 molecular precursors

We demonstrate a facile and cost effective method to obtain gold nanoparticles on graphene by dispersing Au 144 molecular nanoclusters by spin coating them in thin layers on graphene-based films and subsequent annealing in a controlled atmosphere. The graphene-based thin films used for these experiments are prepared by solvent-assisted exfoliation of graphite in water in the presence of ribonucleic acid as a surfactant and by subsequent vacuum filtration of the resulting graphene-containing suspensions. Not only is this method easily reproducible, but it leads to gold nanoparticles that are not dependent in size on the number of graphene layers beneath them. This is a distinct advantage over other methods. Plasmonic effects have been detected in our gold nanoparticle-decorated graphene layers, indicating that these thin films may be useful in applications such as plasmonic solar cells and optical memory devices.

Andrei Venter, Mahdi Hesari, M Shafiq Ahmed, Reg Bauld, Mark S Workentin and Giovanni Fanchini

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Towards waste free organic synthesis using nanostructured hybrid silicas




Nanoscale , 2014, Advance Article

DOI: 10.1039/C3NR06127B, Paper

Rosaria Ciriminna, Laura M. Ilharco, Valerica Pandarus, Alexandra Fidalgo, Francois Beland, Mario Pagliaro

Immobilization and stabilization of metal nanoparticles within an ORMOSIL amorphous structure for highly efficient and selective heterogeneous solid catalysis.

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Spin-induced band modifications of graphene through intercalation of magnetic iron atoms




Nanoscale , 2014, Advance Article

DOI: 10.1039/C3NR04178F, Paper

S. J. Sung, J. W. Yang, P. R. Lee, J. G. Kim, M. T. Ryu, H. M. Park, G. Lee, C. C. Hwang, Kwang. S. Kim, J. S. Kim, J. W. Chung

Fe adatoms are intercalated through epitaxial graphene to form a bilayer graphene, which shows spin-polarized Dirac bands arising from spin-injected C atoms.

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Thursday, February 27, 2014

Second Harmonic Generation from Artificially Stacked Transition Metal Dichalcogenide Twisted Bilayers

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ACS Nano

DOI: 10.1021/nn500228r




Wei-Ting Hsu, Zi-Ang Zhao, Lain-Jong Li, Chang-Hsiao Chen, Ming-Hui Chiu, Pi-Shan Chang, Yi-Chia Chou and Wen-Hao Chang

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Probing the Degradation Mechanisms in Electrolyte Solutions for Li-Ion Batteries by in Situ Transmission Electron Microscopy

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Nano Letters

DOI: 10.1021/nl404271k




Patricia Abellan, B. Layla Mehdi, Lucas R. Parent, Meng Gu, Chiwoo Park, Wu Xu, Yaohui Zhang, Ilke Arslan, Ji-Guang Zhang, Chong-Min Wang, James E. Evans and Nigel D. Browning

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Thermal Doping by Vacancy Formation in Copper Sulfide Nanocrystal Arrays

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Nano Letters

DOI: 10.1021/nl4043642




Y. Bekenstein, K. Vinokurov, S. Keren-Zur, I. Hadar, Y. Schilt, U. Raviv, O. Millo and U. Banin

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A Peptide-Based Nanofibrous Hydrogel as a Promising DNA Nanovector for Optimizing the Efficacy of HIV Vaccine

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Nano Letters

DOI: 10.1021/nl404560v




Yue Tian, Huaimin Wang, Ye Liu, Lina Mao, Wenwen Chen, Zhening Zhu, Wenwen Liu, Wenfu Zheng, Yuyun Zhao, Deling Kong, Zhimou Yang, Wei Zhang, Yiming Shao and Xingyu Jiang

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Evolution of Negative Thermal Expansion and Phase Transitions in Sc1-xTixF3

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Chemistry of Materials

DOI: 10.1021/cm5002048




Cody R. Morelock, Leighanne C. Gallington and Angus P. Wilkinson

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Systematic Control of Hole-Injection Barrier Height with Electron Acceptors in [7]phenacene Single-Crystal Field-Effect Transistors

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The Journal of Physical Chemistry C

DOI: 10.1021/jp4107469




Xuexia He, Shino Hamao, Ritsuko Eguchi, Hidenori Goto, Yukihiro Yoshida, Gunzi Saito and Yoshihiro Kubozono

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Drug-Induced Morphology Switch in Drug Delivery Systems Based on Poly(2-oxazoline)s

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ACS Nano

DOI: 10.1021/nn406388t




Anita Schulz, Sebastian Jaksch, Rene Schubel, Erik Wegener, Zhenyu Di, Yingchao Han, Annette Meister, Jörg Kressler, Alexander V. Kabanov, Robert Luxenhofer, Christine M. Papadakis and Rainer Jordan

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A Biodegradable Nanoparticle Platform for the Induction of Antigen-Specific Immune Tolerance for Treatment of Autoimmune Disease

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ACS Nano

DOI: 10.1021/nn405033r




Zoe Hunter, Derrick P. McCarthy, Woon Teck Yap, Christopher T. Harp, Daniel R. Getts, Lonnie D. Shea and Stephen D. Miller

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An efficient nano-composite layer for highly transparent organic light emitting diodes




Nanoscale , 2014, Advance Article

DOI: 10.1039/C3NR05861A, Paper

Gyeong Woo Kim, Raju Lampande, Julien Boizot, Gyeong Heon Kim, Dong Cheol Choe, Jang Hyuk Kwon

A new transparent cathode structure for transparent organic light emitting diode applications. This cathode structure demonstrated the highest transmittance of 91% as well as the lowest sheet resistance value of 5.4 [capital Omega] per square.

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Immobilization of Optically Active Helical Polyacetylene-Derived Nanoparticles on Graphene Oxide by Chemical Bonds and Their Use in Enantioselective Crystallization

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Chemistry of Materials

DOI: 10.1021/cm500211s




Weifei Li, Xuan Liu, Guangyue Qian and Jianping Deng

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Yttrium Hydride Nanoantennas for Active Plasmonics

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Nano Letters

DOI: 10.1021/nl403643v




Nikolai Strohfeldt, Andreas Tittl, Martin Schäferling, Frank Neubrech, Uwe Kreibig, Ronald Griessen and Harald Giessen

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Stacked Gold Nanorectangles with Higher Order Plasmonic Modes and Top-Down Plasmonic Coupling

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The Journal of Physical Chemistry C

DOI: 10.1021/jp411371q




Sidney T. Malak, Tobias König, Rachel Near, Zachary A. Combs, Mostafa A. El-Sayed and Vladimir V. Tsukruk

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Molecular Orbital Engineering of a Panchromatic Cyclometalated Ru(II) Dye for p-Type Dye-Sensitized Solar Cells

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The Journal of Physical Chemistry C

DOI: 10.1021/jp4117694




Mingfu He, Zhiqiang Ji, Zhongjie Huang and Yiying Wu

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Immunochromatographic Diagnostic Test Analysis Using Google Glass

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ACS Nano

DOI: 10.1021/nn500614k




Steve Feng, Romain Caire, Bingen Cortazar, Mehmet Turan, Andrew Wong and Aydogan Ozcan

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Compositional disorder and its effect on the thermoelectric performance of Zn 3 P 2 nanowire–copper nanoparticle composites

Recent studies indicated that nanowire format of materials is ideal for enhancing the thermoelectric performance of materials. Most of these studies were performed using individual nanowires as the test elements. It is not currently clear whether bulk assemblies of nanowires replicate this enhanced thermoelectric performance of individual nanowires. Therefore, it is imperative to understand whether enhanced thermoelectric performance exhibited by individual nanowires can be extended to bulk assemblies of nanowires. It is also imperative to know whether the addition of metal nanoparticle to semiconductor nanowires can be employed for enhancing their thermoelectric performance further. Specifically, it is important to understand the effect of microstructure and composition on the thermoelectric performance on bulk compound semiconductor nanowire–metal nanoparticle composites. In this study, bulk composites composed of mixtures of copper nanoparticles with either unfunctionalized or...

Lance Brockway, Venkata Vasiraju and Sreeram Vaddiraju

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