NIR absorbing ortho-π-extended perylene bisimide as a promising material for bulk heterojunction organic solar cells (Electronic Supplementary Information (ESI) available. See DOI: 10.1039/C8TA10982F)

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...

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Bibliographic Details
Published in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2019-01, Vol.7 (7), p.3012-3017
Main Authors: Regar, Ramprasad, Mishra, Ruchika, Singhal, Rahul, Sharma, Ganesh D, Jeyaraman Sankar
Format: Article
Language:English
Subjects:
Absorption
Energy conversion efficiency
Energy dissipation
Energy loss
Heterojunctions
Open circuit voltage
Organic chemistry
Photovoltaic cells
Solar cells
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Summary: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.
ISSN:2050-7488
2050-7496
DOI:10.1039/c8ta10982f