Selenophene vs. thiophene in benzothiadiazole-based low energy gap donor-acceptor polymers for photovoltaic applications
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作者:
Alghamdi, Abdulaziz A. B.
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Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, EnglandUniv Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England
Alghamdi, Abdulaziz A. B.
[1
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Watters, Darren C.
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Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, EnglandUniv Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England
Watters, Darren C.
[2
]
Yi, Hunan
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Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, EnglandUniv Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England
Yi, Hunan
[1
]
Al-Faifi, Solyman
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Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England
King Abdulaziz Univ, Dept Chem, Jeddah 21589, Saudi ArabiaUniv Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England
Al-Faifi, Solyman
[1
,3
]
Almeataq, Mohammed S.
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Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, EnglandUniv Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England
Almeataq, Mohammed S.
[1
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Coles, David
[2
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Kingsley, James
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Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, EnglandUniv Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England
Kingsley, James
[2
]
Lidzey, David G.
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Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, EnglandUniv Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England
Lidzey, David G.
[2
]
Iraqi, Ahmed
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Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, EnglandUniv Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England
Iraqi, Ahmed
[1
]
机构:
[1] Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England
[2] Univ Sheffield, Dept Phys & Astron, Sheffield S3 7RH, S Yorkshire, England
[3] King Abdulaziz Univ, Dept Chem, Jeddah 21589, Saudi Arabia
A series of low energy gap polymers comprising 2,7-linked carbazole or fluorene units flanked by thiophene or selenophene repeat units as alternating donor units and benzothiadiazole with or without alkoxy substituents as alternating acceptor repeat units is reported. The effects of replacing thiophene with selenophene in this series of polymers on their optical, electrochemical and photovoltaic device performance when fabricated into bulk heterojunction solar cells using PC70BM as an acceptor are investigated. Power conversion efficiencies (PCEs) ranging from 3.34 to 5.41% are obtained with these systems. Thiophene-based polymers are found to have higher efficiency compared to comparable selenophene-based polymers. We tentatively explain such differences on the basis of reduced molar absorbance and reduced charge-carrier mobility in the selenophene-based polymers.
机构:
Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Univ Calif Los Angeles, Calif Nano Syst Inst, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Dou, Letian
Chang, Wei-Hsuan
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Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Univ Calif Los Angeles, Calif Nano Syst Inst, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Chang, Wei-Hsuan
Gao, Jing
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Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Gao, Jing
Chen, Chun-Chao
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Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Chen, Chun-Chao
You, Jingbi
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Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
You, Jingbi
Yang, Yang
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机构:
Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Univ Calif Los Angeles, Calif Nano Syst Inst, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
机构:
Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Univ Calif Los Angeles, Calif Nano Syst Inst, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Dou, Letian
Chang, Wei-Hsuan
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Univ Calif Los Angeles, Calif Nano Syst Inst, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Chang, Wei-Hsuan
Gao, Jing
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h-index: 0
机构:
Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Gao, Jing
Chen, Chun-Chao
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h-index: 0
机构:
Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Chen, Chun-Chao
You, Jingbi
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Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
You, Jingbi
Yang, Yang
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机构:
Univ Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA
Univ Calif Los Angeles, Calif Nano Syst Inst, Los Angeles, CA 90095 USAUniv Calif Los Angeles, Dept Mat Sci & Engn, Los Angeles, CA 90095 USA