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Photonic crystal based back reflectors for light management and enhanced absorption in amorphous silicon solar cells

TitlePhotonic crystal based back reflectors for light management and enhanced absorption in amorphous silicon solar cells
Publication TypeJournal Article
Year of Publication2009
AuthorsCurtin B, Biswas R, Dalal V
Journal TitleApplied Physics Letters
Volume95
Pages231102
Date Published12/07
ISBN Number0003-6951
Accession NumberISI:000272627700002
Keywordsamorphous semiconductors, liquid crystal displays, silicon, solar-cells, thin film transistors
Abstract

A protrusion electrode structure is proposed to dramatically lower the operation voltage of the emerging blue-phase liquid crystal displays (BP-LCDs). Simulation results indicate that the generated horizontal electric field is not only strong but also penetrates deeply into the bulk LC layer. As a result, a low voltage (similar to 10 V-rms) and reasonably high transmittance (similar to 70%) BP-LCD can be achieved. This approach enables the BP-LCDs to be addressed by amorphous silicon thin-film transistors (TFTs). Widespread application of TFT BP-LCDs is foreseeable.
URL<Go to ISI>://000272627700002
DOI10.1063/1.3269593