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Recently Published Articles

  1. You have full text access to this OnlineOpen article
    A New Electron Acceptor with meta-Alkoxyphenyl Side Chain for Fullerene-Free Polymer Solar Cells with 9.3% Efficiency

    Zhenzhen Zhang, Liuliu Feng, Shutao Xu, Ye Liu, Hongjian Peng, Zhi-Guo Zhang, Yongfang Li and Yingping Zou

    Version of Record online: 17 AUG 2017 | DOI: 10.1002/advs.201700152

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    A new electron acceptor (m-ITIC-OR) with meta-alkoxyphenyl side chains is designed and synthesized. A power conversion efficiency of 9.3% is achieved in nonfullerene polymer solar cells, demonstrating that the meta-alkoxyphenyl side chain is promising for constructing a high-performance electron acceptor due to its simplicity and low cost. m-ITIC-OR shows a great potential for photovoltaic applications.

  2. You have full text access to this OnlineOpen article
    Nanoporous PbSe–SiO2 Thermoelectric Composites

    Chao-Feng Wu, Tian-Ran Wei, Fu-Hua Sun and Jing-Feng Li

    Version of Record online: 11 AUG 2017 | DOI: 10.1002/advs.201700199

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    Nanoporous thermoelectric composites are fabricated by a facile milling method, where nanosized SiO2 particles help to create randomly distributed nanopores throughout PbSe matrix. The existence of nanoporous structure significantly lowers the thermal conductivity with a low plateau above 600 K, eventually benefiting the thermoelectric efficiency of PbSe at moderate temperatures.

  3. You have full text access to this OnlineOpen article
    Self-Tuning n-Type Bi2(Te,Se)3/SiC Thermoelectric Nanocomposites to Realize High Performances up to 300 °C

    Yu Pan, Umut Aydemir, Fu-Hua Sun, Chao-Feng Wu, Thomas C. Chasapis, G. Jeffrey Snyder and Jing-Feng Li

    Version of Record online: 11 AUG 2017 | DOI: 10.1002/advs.201700259

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    High device ZT and efficiency can be achieved by segmenting a Bi2Te2.79Se0.21 ingot and a Cu/I-doped Bi2Te2.2Se0.8 sample. By extending the use of Bi2Te3 to higher temperatures, the overall efficiency is increased to 9.2%, which rivals that of mid temperature materials (hot side temperature ≈675–900 K), making Bi2Te3 competitive for waste-heat power generation applications.

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    Sequentially Programmable and Cellularly Selective Assembly of Fluorescent Polymerized Vesicles for Monitoring Cell Apoptosis

    Shu Peng, Yu-Chen Pan, Yaling Wang, Zhe Xu, Chao Chen, Dan Ding, Yongjian Wang and Dong-Sheng Guo

    Version of Record online: 10 AUG 2017 | DOI: 10.1002/advs.201700310

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    Thermochromic fluorescent polymerized vesicles are successfully constructed in living cells by implementing a sequentially programmable self-assembling strategy, which may find use in various biomedical applications, as herein demonstrated by a proof-of-principle example for monitoring the cell apoptosis process involved in the overexpression of cholinesterase.

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    Nanoscale Heterogeneity of Multilayered Si Anodes with Embedded Nanoparticle Scaffolds for Li-Ion Batteries

    Marta Haro, Vidyadhar Singh, Stephan Steinhauer, Evropi Toulkeridou, Panagiotis Grammatikopoulos and Mukhles Sowwan

    Version of Record online: 8 AUG 2017 | DOI: 10.1002/advs.201700180

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    A new type of Li-ion battery electrode based on multilayered Si thin films with embedded nanoparticle scaffolds is proposed. The presented nanoparticle-based approach results in fast Li diffusion and high charge–discharge speed, and excellent cycleability due to self-limited mechanical deformation. By engineering the nanostructure, porosity, and nanomechanical heterogeneity of the hybrid Si anode material, customized electrochemical performance can be achieved.