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5.511 Aktuelle Fachpublikationen in Chemistry of Materials

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Electronic Band Structure Engineering and Enhanced Thermoelectric Transport Properties in Pb-Doped BiCuOS Oxysulfide

19.01.2018 | Jean-Baptiste Labégorre; Rabih Al Rahal Al Orabi; Agathe Virfeu; Jacinthe Gamon; Philippe Barboux; Lauriane Pautrot- ..., Chemistry of Materials, 2018

In this paper, Bi1–xPbxCuOS samples (0 ≤ x ≤ 0.05) have been synthesized with a simple and scalable ball-milling process, followed by a reactive Spark Plasma Sintering. Our results highlight that, Pb for Bi substitution increases the charge carriers concentration by more than 2 orders of ...

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Ternary Transition Metal Sulfides Embedded in Graphene Nanosheets as Both the Anode and Cathode for High-Performance Asymmetric Supercapacitors

19.01.2018 | Wei Liu; Hao Niu; Jiao Yang; Kui Cheng; Ke Ye; Kai Zhu; Guiling Wang; Dianxue Cao; Jun Yan, Chemistry of Materials, 2018

Owing to their low electronegativity, excellent electrical conductivity, high specific capacitance, and rich electrochemical redox sites, various transition metal sulfides have attracted significant attention as promising pseudocapacitive electrode materials for supercapacitors. However, their ...

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Visible Light Mediated Photopolymerization in Single Crystals: Photomechanical Bending and Thermomechanical Unbending

19.01.2018 | Ranita Samanta; Subhrokoli Ghosh; Ramesh Devarapalli; C. Malla Reddy, Chemistry of Materials, 2018

Chemistry of Materials DOI: 10.1021/acs.chemmater.7b04756

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Facet-Dependent Rock-Salt Reconstruction on the Surface of Layered Oxide Cathodes

18.01.2018 | Hanlei Zhang; Brian M. May; Jon Serrano-Sevillano; Montse Casas-Cabanas; Jordi Cabana; Chongmin Wang; Guangwen Zhou, Chemistry of Materials, 2018

The surface configuration of pristine layered oxide cathode particles for Li-ion batteries significantly affects the electrochemical behavior, which is generally considered to be a thin rock-salt layer in the surface. Unfortunately, aside from its thin nature and spatial location on the surface, ...

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Predicted Lead-Free Perovskites for Solar Cells

18.01.2018 | Roshan Ali; Guo-Jiao Hou; Zhen-Gang Zhu; Qing-Bo Yan; Qing-Rong Zheng; Gang Su, Chemistry of Materials, 2018

Organic–inorganic halide perovskites are quite promising in applications of large scale photovoltaic technology. However, toxicity is one of the crucial issues in these materials, and searching for environmentally friendly perovskite materials for green energy applications is in high demand. Here ...

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Magneto-Fluorescent Yolk–Shell Nanoparticles

18.01.2018 | Sandip K. Pahari; Shunit Olszakier; Itamar Kahn; Lilac Amirav, Chemistry of Materials, 2018

We present a new strategy for the fabrication of magneto-fluorescent nanoparticles designed for bimodal imaging. These hybrid nanostructures comprise an optically active semiconductor nanoparticle quantum dot core with tunable fluorescence, encapsulated within a hollow paramagnetic iron oxide ...

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Doping Induced Polymorph and Carrier Polarity Changes in LaSeF

17.01.2018 | Takeshi Arai; Soshi Iimura; Hideo Hosono, Chemistry of Materials, 2018

Chemistry of Materials DOI: 10.1021/acs.chemmater.7b05161

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Bis-Silicon-Bridged Stilbene: A Core for Small-Molecule Electron Acceptor for High-Performance Organic Solar Cells

17.01.2018 | Zhongbo Zhang; Xiaozhang Zhu, Chemistry of Materials, 2018

Chemistry of Materials DOI: 10.1021/acs.chemmater.7b04930

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Tunable Electron Donating and Accepting Properties Achieved by Modulating the Steric Hindrance of Side Chains in A-D-A Small-Molecule Photovoltaic Materials

16.01.2018 | Delong Liu; Liyan Yang; Yang Wu; Xiaohui Wang; Yan Zeng; Guangchao Han; Huifeng Yao; Sunsun Li; Shaoqing Zhang; Yun ..., Chemistry of Materials, 2018

Modulation of the electron donating and accepting properties of organic semiconductors is an important topic in the field of organic photovoltaics. Although the small-molecule semiconductors (SMs) with an A-D-A structure can act as either electron donor or acceptor in organic photovoltaic (OPV) ...

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Selective Atomic Layer Deposition Mechanism for Titanium Dioxide Films with (EtCp)Ti(NMe2)3: Ozone versus Water

16.01.2018 | Joseph P. Klesko; Rezwanur Rahman; Aaron Dangerfield; Charith E. Nanayakkara; Thomas L’Esperance; Daniel F. Moser; L ..., Chemistry of Materials, 2018

The need for the conformal deposition of TiO2 thin films in device fabrication has motivated a search for thermally robust titania precursors with noncorrosive byproducts. Alkylamido-cyclopentadienyl precursors are attractive because they are readily oxidized, yet stable, and afford ...

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