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Issue 35, 2019
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Organic energy-harvesting devices achieving power conversion efficiencies over 20% under ambient indoor lighting

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Abstract

The ability of solution-processed organic photovoltaics (OPVs) based on new small-molecule semiconductors, 1DTP-ID and 2DTP-ID, for indoor dim-light energy harvesting is reported. Indoor OPVs with the best performance achieve high power conversion efficiencies, over 20%, under white LED illumination at 200–2000 lx. Flexible OPV modules using 1DTP-ID with an active area of ∼10 cm2 are capable of delivering a maximum power output of ∼0.1 mW and an open-circuit voltage of ∼4 V even at 200 lx, ideal for use as dispersive self-sustainable power sources for the Internet of Things.

Graphical abstract: Organic energy-harvesting devices achieving power conversion efficiencies over 20% under ambient indoor lighting

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Supplementary files

Article information


Submitted
21 Jun 2019
Accepted
18 Aug 2019
First published
20 Aug 2019

J. Mater. Chem. A, 2019,7, 20187-20192
Article type
Communication

Organic energy-harvesting devices achieving power conversion efficiencies over 20% under ambient indoor lighting

R. Arai, S. Furukawa, N. Sato and T. Yasuda, J. Mater. Chem. A, 2019, 7, 20187
DOI: 10.1039/C9TA06694B

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