Title | Carrier Dynamics of Efficient Triplet Harvesting in AgBiS2/Pentacene Singlet Fission Solar Cells |
Author | |
Corresponding Author | Guo, Liang; Halpert, Jonathan E. E. |
Publication Years | 2023-03-01
|
DOI | |
Source Title | |
EISSN | 2198-3844
|
Abstract | Singlet fission is a process by which an organic semiconductor is able to generate two triplet excitons from a single photon. If charges from the triplets can be successfully harvested without heavy losses in energy, then this process can enable a single-junction solar cell to surpass the Shockley-Queisser limit. While singlet fission processes are commonly observed in several materials, harvesting the resulting triplets is difficult and has been demonstrated with only a few transport materials. Here, transient absorption spectroscopy is used to investigate singlet fission and carrier transfer processes at the AgBiS2/pentacene (AgBiS2/Pc) heterojunction. The successful transfer of triplets from pentacene to AgBiS2 and the transfer of holes from AgBiS2 to pentacene is observed. Further singlet fission in pentacene by modifying the crystallinity of the pentacene layer and have fabricated the first singlet fission AgBiS2/Pc solar cell is enhanced. Singlet fission devices exhibit higher external quantum efficiency compared with the control devices, and thus demonstrating the significant contribution of charges from the singlet fission process. |
Keywords | |
URL | [Source Record] |
Indexed By | |
Language | English
|
SUSTech Authorship | Corresponding
|
Funding Project | National Key Research and Development Program of China[2020YFA0715000]
; Department of Chemistry[
|
WOS Research Area | Chemistry
; Science & Technology - Other Topics
; Materials Science
|
WOS Subject | Chemistry, Multidisciplinary
; Nanoscience & Nanotechnology
; Materials Science, Multidisciplinary
|
WOS Accession No | WOS:000953597400001
|
Publisher | |
Data Source | Web of Science
|
Citation statistics |
Cited Times [WOS]:0
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Document Type | Journal Article |
Identifier | http://kc.sustech.edu.cn/handle/2SGJ60CL/523936 |
Department | Department of Mechanical and Energy Engineering |
Affiliation | 1.Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Clear Water Bay, Hong Kong 999077, Peoples R China 2.Southern Univ Sci & Technol, Dept Mech & Energy Engn, Shenzhen 518055, Peoples R China 3.Southern Univ Sci & Technol, Key Lab Energy Convers & Storage Technol, Minist Educ, Shenzhen 518055, Peoples R China 4.Southern Univ Sci & Technol, SUSTech Energy Inst Carbon Neutral, Shenzhen 518055, Peoples R China 5.Hong Kong Univ Sci & Technol, Energy Inst, Kowloon, Clear Water Bay, Hong Kong 999077, Peoples R China 6.Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, State Key Lab Adv Displays & Optoelect Technol, Kowloon, Hong Kong 999077, Peoples R China |
First Author Affilication | Department of Mechanical and Energy Engineering; Southern University of Science and Technology |
Corresponding Author Affilication | Department of Mechanical and Energy Engineering; Southern University of Science and Technology |
Recommended Citation GB/T 7714 |
Geng, Pai,Chen, Dezhang,Shivarudraiah, Sunil B. B.,et al. Carrier Dynamics of Efficient Triplet Harvesting in AgBiS2/Pentacene Singlet Fission Solar Cells[J]. ADVANCED SCIENCE,2023.
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APA |
Geng, Pai,Chen, Dezhang,Shivarudraiah, Sunil B. B.,Chen, Xihan,Guo, Liang,&Halpert, Jonathan E. E..(2023).Carrier Dynamics of Efficient Triplet Harvesting in AgBiS2/Pentacene Singlet Fission Solar Cells.ADVANCED SCIENCE.
|
MLA |
Geng, Pai,et al."Carrier Dynamics of Efficient Triplet Harvesting in AgBiS2/Pentacene Singlet Fission Solar Cells".ADVANCED SCIENCE (2023).
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