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Issue 7, 2019
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NIR absorbing ortho-π-extended perylene bisimide as a promising material for bulk heterojunction organic solar cells

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Abstract

Herein, we demonstrate the potential of a DBU-appended perylene bisimide (PDIDBU) in solution processed bulk-heterojunction organic solar cells (BHJOSCs). This molecule exhibits intense absorption in the visible to near infra-red region (300–1000 nm). The conventional BHJOSCs show a power conversion efficiency of up to 6.96% with an open circuit voltage of 0.75 V and a record low energy loss of 0.54 eV. A notable incident photon to current conversion efficiency was observed in the visible to NIR region of the solar spectrum.

Graphical abstract: NIR absorbing ortho-π-extended perylene bisimide as a promising material for bulk heterojunction organic solar cells

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Article information


Submitted
15 Nov 2018
Accepted
22 Jan 2019
First published
22 Jan 2019

J. Mater. Chem. A, 2019,7, 3012-3017
Article type
Communication

NIR absorbing ortho-π-extended perylene bisimide as a promising material for bulk heterojunction organic solar cells

R. Regar, R. Mishra, R. Singhal, G. D. Sharma and J. Sankar, J. Mater. Chem. A, 2019, 7, 3012
DOI: 10.1039/C8TA10982F

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