Two Novel, Simple-Structured and Easy-Synthesized Acceptors Based on Fluorene or Carbazole for Non-Fullerene Organic Solar Cells Article Swipe
Fubiao Weng
,
Songping Shen
,
Peijin Zheng
,
Gengbiao Xu
,
Zhiwei Qiu
,
Jianhao Chen
,
Yongtao Chen
,
Shengming Peng
,
Junxu Liao
,
Hongbin Zhao
·
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.21203/rs.3.rs-550529/v1
YOU?
·
· 2021
· Open Access
·
· DOI: https://doi.org/10.21203/rs.3.rs-550529/v1
Two novel D-π-A-π-D type non-fullerene acceptors (FPTC and CPTC) composed of fluorene or carbazole as acceptor unit, benzene as intermediates and 2-(6-oxo-5,6-dihydro-4H-cyclopenta[c] thiophen-4-ylidene) malononitrile (TC) as terminal groups are synthesized through only two procedures. Also, their electrochemical behavior, photophysical properties and photovoltaic performance are systematically characterized and thoroughly studied. In consequence, the FPTC has better performance than C PTC, and the PCE of this device based on FPTC: PTB7-Th is nearly 1% higher than that of CPTC: PTB7-Th device, reaching up to 1.09% with a V OC of 0.71 V, a J SC of 3.42 mA cm − 2 . The higher PCE of the device based on FPTC is attributed to the fact that this molecular has a wider absorption spectrum and a higher molar extinction coefficient nearly four times than that of CPTC, a higher initial oxidation potential, and a lower onset reduction potential. Also, the higher electron mobility rate and hole mobility rate contribute to the device based on FPTC better performances. Compared with carbazole, the fluorene as the acceptor unit provides potential possibilities for the construction of high-performance organic solar cells.
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Metadata
- Type
- preprint
- Language
- en
- Landing Page
- https://doi.org/10.21203/rs.3.rs-550529/v1
- https://www.researchsquare.com/article/rs-550529/latest.pdf
- OA Status
- green
- References
- 9
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3164394690
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W3164394690Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.21203/rs.3.rs-550529/v1Digital Object Identifier
- Title
-
Two Novel, Simple-Structured and Easy-Synthesized Acceptors Based on Fluorene or Carbazole for Non-Fullerene Organic Solar CellsWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
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2021Year of publication
- Publication date
-
2021-05-24Full publication date if available
- Authors
-
Fubiao Weng, Songping Shen, Peijin Zheng, Gengbiao Xu, Zhiwei Qiu, Jianhao Chen, Yongtao Chen, Shengming Peng, Junxu Liao, Hongbin ZhaoList of authors in order
- Landing page
-
https://doi.org/10.21203/rs.3.rs-550529/v1Publisher landing page
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https://www.researchsquare.com/article/rs-550529/latest.pdfDirect link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
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https://www.researchsquare.com/article/rs-550529/latest.pdfDirect OA link when available
- Concepts
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Carbazole, Fluorene, Fullerene, Organic solar cell, Simple (philosophy), Materials science, Chemistry, Photochemistry, Organic chemistry, Polymer, Composite material, Epistemology, PhilosophyTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
- References (count)
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9Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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