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Theoretical limits for visibly transparent photovoltaics
- Source :
- Applied Physics Letters. 101:043902
- Publication Year :
- 2012
- Publisher :
- AIP Publishing, 2012.
-
Abstract
- Transparent photovoltaics (PVs) provide a potentially facile route to building-integrated PVs and seamless energy-harvesting within non-window surfaces such as electronic displays, autonomously powered electronic-glazings, and mobile-electronic accessories. Such devices have been enabled by manipulation of excitons in organic and molecular semiconductors that allow for selective ultraviolet and near-infrared solar conversion. Here, the theoretical efficiency limits of transparent photovoltaics are determined as a function of transparency. Power-production from ultraviolet and near-infrared photons alone leads to a theoretical single-junction efficiency of 21% in transparent structures, compared to 33% for opaque-junctions. Reducing thermal losses via transparent multi-junction stacking these limits increase to 37%.
Details
- ISSN :
- 10773118 and 00036951
- Volume :
- 101
- Database :
- OpenAIRE
- Journal :
- Applied Physics Letters
- Accession number :
- edsair.doi...........e2877e9bf18e1f4dd91bb08a358f6ec9