Issue 7, 2019

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

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

Supplementary files

Article information

Article type
Communication
Submitted
15 Nov 2018
Accepted
22 Jan 2019
First published
22 Jan 2019

J. Mater. Chem. A, 2019,7, 3012-3017

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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