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Advanced Materials has been bringing you the best in materials research for over twenty years. With its increased ISI Impact Factor of 17.493, Advanced Materials is one of the most influential journals in the field. Publishing every week, Advanced Materials now brings you even more of the latest results at the cutting edge of materials science. www.advmat.de Perovskite Solar Cells Light-soaking and hysteresis phenomena can reveal the bulk and interfacial polarization effects on photovoltaic processes in perovskite solar cells. In article number 1500279, Bin Hu and coworkers report the use of frequency-dependent impedance and time-dependent photoluminescence measurements to determine that bulk and interfacial polarizations are internally coupled in developing short-circuit current, open-circuit voltage, and fill factor through charge dissociation, transport, and collection in light-soaking and hysteresis phenomena. Solar Cells A strategic approach for designing a novel holetransporting material in perovskite hybrid solar cells and synthesizing a donor-p-acceptor polymeric hole conductor (TTB-TTQ) is reported by Taiho Park and co-workers in article number 1500471. A rough film surface with a fibril structure induced by (lithium bis(trifluoromethanesulfonyl) imide (LiTFSI) salt and tert-butylpyridine (tBP) enhances the scattering effect and improves charge transport, resulting in a high efficiency (14.1%) with a high short-circuit
Advanced Energy Materials – Wiley
Published: Jul 1, 2015
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