Enhancing current density using vertically oriented organic photovoltaics

Yambem, S. D., Liao, K. S., & Curran, S. A. (2012) Enhancing current density using vertically oriented organic photovoltaics. Solar Energy Materials and Solar Cells, 101, pp. 227-231.

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Abstract

We report a new organic photovoltaics (OPV) design, a wrapped OPV, which can circumvent both challenges of short exciton diffusion length [1], and low charge carrier mobility [2] of organic semiconductors by orienting the OPV vertically, to capture; manage; guide and use all incident photons and therefore, generate higher current. Resonant light, on being transmitted into a wrapped OPV, makes multiple passes through the photoactive layer and is absorbed completely, thus achieving benefits of thick photoactive layer while maintaining its ultra-thin thickness requirement. The current density generated from a wrapped OPV is twice than that generated by a similar OPV with flat orientation.

Impact and interest:

2 citations in Scopus
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2 citations in Web of Science®

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ID Code: 86722
Item Type: Journal Article
Refereed: Yes
Keywords: Organic photovoltaics, Transparent electrodes, Vertical photovoltaics, Exciton diffusion length, Multiple pass, Photoactive layers, Photovoltaics, Resonant light, Transparent electrode, Ultra-thin, Solar cells, Solar energy, Photovoltaic effects
DOI: 10.1016/j.solmat.2012.02.004
ISSN: 09270248 (ISSN)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Elsevier
Deposited On: 20 Aug 2015 04:30
Last Modified: 21 Aug 2015 02:55

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