Advanced Materials

Cover image for Vol. 27 Issue 4

Editor-in-Chief: Peter Gregory, Deputy Editors: Mary Farrell, Duoduo Liang, 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. Mechanisms for Hydrolysis of Silicon Nanomembranes as Used in Bioresorbable Electronics

    Lan Yin, Amir Barati Farimani, Kyoungmin Min, Nandigana Vishal, Jasper Lam, Yoon Kyeung Lee, Narayana R. Aluru and John A. Rogers

    Article first published online: 27 JAN 2015 | DOI: 10.1002/adma.201404579

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    Systematic experimental and theoretical studies of the hydrolysis of silicon nano­membranes at near-neutral pH conditions reveal the roles of anion concentration and temperature. An empirical model captures the dependence of the dissolution rates on key factors, and atomic-level simulations provide insights into the underlying chemistry.

  2. Nanomaterial-Enabled Stretchable Conductors: Strategies, Materials and Devices

    Shanshan Yao and Yong Zhu

    Article first published online: 26 JAN 2015 | DOI: 10.1002/adma.201404446

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    Recent progress with regard to nano­material-enabled stretchable conductors and related stretchable devices is reviewed (e.g., capacitive sensors, supercapacitors and electroactive polymer actuators). Focusing on carbon nanomaterials (e.g., carbon nanotubes and graphene) and metal nanomaterials (e.g., metal nanowires and nanoparticles), this review provides fundamental insights into the strategies for developing nanomaterial-enabled highly conductive and stretchable conductors.

  3. Influence of Conversion Material Morphology on Electrochemistry Studied with Operando X-Ray Tomography and Diffraction

    Claire Villevieille, Martin Ebner, Juan Luis Gómez-Cámer, Federica Marone, Petr Novák and Vanessa Wood

    Article first published online: 23 JAN 2015 | DOI: 10.1002/adma.201403792

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    X-ray diffraction and X-ray tomography are performed on intermetallic particles undergoing lithiation in a porous electrode. Differences between ensemble phase evolution and that at a single-particle level are explored. It is found that all particles evidence core–shell lithiation; however, particles with internal porosity are more mechanically robust and exhibit less fracture.

  4. A Solid-State Effect Responsible for an Organic Quintet State at Room Temperature and Ambient Pressure

    Yonghao Zheng, Mao-sheng Miao, Géraldine Dantelle, Nancy D. Eisenmenger, Guang Wu, Ilhan Yavuz, Michael L. Chabinyc, Ken N. Houk and Fred Wudl

    Article first published online: 23 JAN 2015 | DOI: 10.1002/adma.201405093

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    A stable organic diradicaloid with an intermolecular quintet at room temperature as a polycrystalline solid is studied. The conclusion is supported by the observation of the ΔMs = ±2 forbidden transition, electron spin resonance (ESR) simulations, and density functional theory (DFT) calculations. In addition, the molecule, as the active component of a device, is an outstanding near-infrared photodetector with detectivity over 1011 cm Hz1/2 W–1 at 1200 nm.

  5. Self-Crack-Filled Graphene Films by Metallic Nanoparticles for High-Performance Graphene Heterojunction Solar Cells

    Po-Hsun Ho, Yi-Ting Liou, Chien-Hsun Chuang, Shih-Wei Lin, Chi-Yang Tseng, Di-Yan Wang, Chia-Chun Chen, Wen-Yi Hung, Cheng-Yen Wen and Chun-Wei Chen

    Article first published online: 23 JAN 2015 | DOI: 10.1002/adma.201404843

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    Graphene, with cracks filled with gold nanoparticles, is grown by chemical vapor deposition on a Cu substrate. The crack-filled graphene not only exhibits superior electrical properties but also forms a better junction with other semiconductors. A high-quality crack-filled graphene/Si Schottky junction solar cell is achieved, demonstrating the highest fill factor (0.79) and best efficiency (12.3%).