Advanced Materials

Cover image for Vol. 26 Issue 36

Editor-in-Chief: Peter Gregory, Deputy Editors: Martin Ottmar, Carolina Novo da Silva, Lorna Stimson

Online ISSN: 1521-4095

Associated Title(s): Advanced Energy Materials, Advanced Engineering Materials, Advanced Functional Materials, Advanced Healthcare Materials, Advanced Materials Interfaces, Advanced Optical Materials, Particle & Particle Systems Characterization, Small

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Recently Published Articles

  1. The Origin of Excellent Gate-Bias Stress Stability in Organic Field-Effect Transistors Employing Fluorinated-Polymer Gate Dielectrics

    Jiye Kim, Jaeyoung Jang, Kyunghun Kim, Haekyoung Kim, Se Hyun Kim and Chan Eon Park

    Article first published online: 29 SEP 2014 | DOI: 10.1002/adma.201402363

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    Tuning of the energetic barriers to charge transfer at the semiconductor/dielectric interface in organic field-effect transistors (OLEDs) is achieved by varying dielectric functionalities. Based on this, we demonstrate the correlation between the magnitude of the energy barrier and the gate-bias stress stability of the OFETs, and reveal the origin of the excellent device stability of OFETs employing fluorinated dielectrics.

  2. A Transparent Conductive Adhesive Laminate Electrode for High-Efficiency Organic-Inorganic Lead Halide Perovskite Solar Cells

    Daniel Bryant, Peter Greenwood, Joel Troughton, Maarten Wijdekop, Mathew Carnie, Matthew Davies, Konrad Wojciechowski, Henry J. Snaith, Trystan Watson and David Worsley

    Article first published online: 25 SEP 2014 | DOI: 10.1002/adma.201403939

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    A self-adhesive laminate solar cell electrode is presented based on a metal grid embedded in a polymer film (x-y conduction) and contacted with the active layer using a pressure sensitive adhesive containing a very low quantity (1.8%) of organic conductor which self-organizes to provide z conduction to the grid. This ITO free material performs in an identical fashion to evaporated gold in high efficiency perovskite solar cells.

  3. Band-Selective Infrared Photodetectors with Complete-Composition-Range InAsxP1-x Alloy Nanowires

    Pinyun Ren, Wei Hu, Qinglin Zhang, Xiaoli Zhu, Xiujuan Zhuang, Liang Ma, Xiaopeng Fan, Hong Zhou, Lei Liao, Xiangfeng Duan and Anlian Pan

    Article first published online: 25 SEP 2014 | DOI: 10.1002/adma.201402945

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    Band-selective infrared photodetectors (PDs) are constructed with InAsxP1-x alloy nanowires from the complete composition range (0 ≤ x ≤ 1) achieved by a new growth route combining the vapor–liquid–solid mechanism with an additional ion-exchange process. Increasing the composition x value from 0 to 1 in the PDs allows the peak response wavelength to be gradually tuned from ca. 900 to ca. 2900 nm.

  4. Biocompatible Nanogenerators through High Piezoelectric Coefficient 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3 Nanowires for In-Vivo Applications

    Miaomiao Yuan, Li Cheng, Qi Xu, Weiwei Wu, Suo Bai, Long Gu, Zhe Wang, Jun Lu, Huanping Li, Yong Qin, Tao Jing and Zhong Lin Wang

    Article first published online: 25 SEP 2014 | DOI: 10.1002/adma.201402868

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    The lead-free 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3 (BZT-BCT) nano­wires with a high piezoelectric coefficient are synthesized and the nanogenerators (NG) composed of them are successfully developed. The studied in vitro and in vivo biocompatibility of the NGs shows great potential for their application as in vivo power sources.

  5. Stretchable Energy-Harvesting Tactile Electronic Skin Capable of Differentiating Multiple Mechanical Stimuli Modes

    Steve Park, Hyunjin Kim, Michael Vosgueritchian, Sangmo Cheon, Hyeok Kim, Ja Hoon Koo, Taeho Roy Kim, Sanghyo Lee, Gregory Schwartz, Hyuk Chang and Zhenan Bao

    Article first published online: 25 SEP 2014 | DOI: 10.1002/adma.201402574

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    The first stretchable energy-harvesting electronic-skin device capable of differentiating and generating energy from various mechanical stimuli, such as normal pressure, lateral strain, bending, and vibration is presented. A pressure sensitivity of 0.7 kPa-1 is achieved in the pressure region <1 kPa with power generation of tens of μW cm-2 from a gentle finger touch.

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