Advanced Energy Materials

Cover image for Vol. 6 Issue 12

Editor-in-Chief: Joern Ritterbusch, Deputy Editors: Carolina Novo da Silva, Guangchen Xu

Impact Factor: 15.23

ISI Journal Citation Reports © Ranking: 2015: 3/144 (Chemistry Physical); 3/88 (Energy & Fuels); 5/145 (Physics Applied); 5/67 (Physics Condensed Matter); 7/271 (Materials Science Multidisciplinary)

Online ISSN: 1614-6840

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

2_10i/2012Optical Absorption Enhancement: Optical Absorption Enhancement in Freestanding GaAs Thin Film Nanopyramid Arrays (Adv. Energy Mater. 10/2012)

III–V compound semiconductor multi-junction solar cells are the most efficient of all solar cells. However, in order to reduce high costs, ultra-thin films with advanced light management are desired. On page 1254, James S. Harris, Yi Cui, Dong Liang, and co-workers report that a 160-nm-thick GaAs thin film of nanopyramid arrays on flexible transparent superstrates demonstrates excellent optical absorption properties. Due to significant antireflection and light trapping effects, the double-sided nanostructures enhance the photon absorption in the thin film by over 80% at near normal incidence and over 100% at 40–70° incidence.

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