Advanced Energy Materials

Cover image for Vol. 4 Issue 5

Editor-in-Chief: Martin Ottmar, Deputy Editor: Carolina Novo

Impact Factor: 10.043

ISI Journal Citation Reports © Ranking: 2012: 3/81 (Energy & Fuels); 6/128 (Physics Applied); 7/135 (Chemistry Physical); 7/68 (Physics Condensed Matter); 10/241 (Materials Science Multidisciplinary)

Online ISSN: 1614-6840

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

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Recently Published Articles

  1. You have full text access to this OnlineOpen article
    The Influence of Nanocrystal Aggregates on Photovoltaic Performance in Nanocrystal–Polymer Bulk Heterojunction Solar Cells

    Marcus L. Böhm, René J. P. Kist, Frederik S. F. Morgenstern, Bruno Ehrler, Salvatore Zarra, Abhishek Kumar, Yana Vaynzof and Neil C. Greenham

    Article first published online: 16 APR 2014 | DOI: 10.1002/aenm.201400139

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    The influence of nanocrystal aggregates on photovoltaic deviceperformance is studied in a CdSe:poly[2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4-phenylene vinylene] (MDMO-PPV) bulk heterojunction solar cell. The exclusion of CdSe aggregates yields a superior blend morphology leading to improved charge generation and better percolation in the nanocrystal component. Solar cells with treated nanocrystals show a significant increase in device performance.

  2. Flexible and Highly Scalable V2O5-rGO Electrodes in an Organic Electrolyte for Supercapacitor Devices

    Ce Yao Foo, Afriyanti Sumboja, Daniel Jia Hong Tan, Jiangxin Wang and Pooi See Lee

    Article first published online: 15 APR 2014 | DOI: 10.1002/aenm.201400236

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    Flexible, free-standing, and binder-free graphene-based V2O5 composite electrodes that do not require current collectors are fabricated into a prototype supercapacitor device exhibiting a performance of 52.5 mF cm–2 (157.51 mF), with the total electrode mass reaching up to 20 mg. One unit of the assembled prototype device is capable of powering up a commercial gadget consisting of eight light-emitting diodes.

  3. Improved Performance in Bulk Heterojunction Organic Solar Cells with a Sol-Gel MgZnO Electron-Collecting Layer

    Bradley A. MacLeod, Philip Schulz, Sarah R. Cowan, Andres Garcia, David S. Ginley, Antoine Kahn and Dana C. Olson

    Article first published online: 14 APR 2014 | DOI: 10.1002/aenm.201400073

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    Enhanced power conversion efficiency is observed for inverted organic solar cells when a sol-gel deposited MgZnO is used in place of ZnO. The enhanced fill factor and open-circuit voltage suggest reduced recombination at the interface with bulk heterojunctions of poly(3-hexylthiophene) (P3HT) blended with either [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) or indene C60 bis-adduct (ICBA).

  4. On the Thermodynamics, the Role of the Carbon Cathode, and the Cycle Life of the Sodium Superoxide (NaO2) Battery

    Conrad L. Bender, Pascal Hartmann, Miloš Vračar, Philipp Adelhelm and Jürgen Janek

    Article first published online: 14 APR 2014 | DOI: 10.1002/aenm.201301863

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    The cycle life of non-aqueous sodium oxygen cells can be significantly improved by proper choice of the cycling conditions (“shallow cycling”), and the gravimetric capacity of the oxygen cathode depends on the type of carbon used. A detailed view of the thermodynamic properties of the sodium-oxygen battery helps to explain the competition between NaO2 and Na2O2 as discharge products.

  5. Morphological Control for Highly Efficient Inverted Polymer Solar Cells Via the Backbone Design of Cathode Interlayer Materials

    Wenjun Zhang, Yulei Wu, Qinye Bao, Feng Gao and Junfeng Fang

    Article first published online: 9 APR 2014 | DOI: 10.1002/aenm.201400359

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    Two alcohol-soluble organic molecules are synthesized and introduced into inverted organic solar cells as the cathode interlayer. A power conversion efficiency as high as 9.22% is obtained by using the more hydrophobic molecule FTBTF-N as the cathode interlayer. Morphological studies suggest that design of backbone can help to enhance short-circuit current density and fill factor.

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