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  5. Thermal Annealing Effect on Ultrafast Charge Transfer in AllPolymer Solar Cells with a Non-Fullerene

Thermal Annealing Effect on Ultrafast Charge Transfer in AllPolymer Solar Cells with a Non-Fullerene

来源 :2016第二届有机光电材料与器件国际会议 | 被引量 : 0次 | 上传用户：mm74481
【摘 要】
：
Ultrafast transient absorption(TA)spectroscopy was employed to investigate the thermal annealing effect on the charge transfer(CT)in bulk heterojunction(BHJ)all-polymer solar cells(all-PSCs)utilizing
【作 者】
：
Feng Jin Guanqun Ding Yuning Wang Jianyu Yuan Wenping Guo Haochen Yuan Chuanxiang Sheng Wanli Ma Haibin Zhao 
【机 构】
：
Key Laboratory of Micro and Nano Photonic Structures(Ministry of Education),Department of Optical Sc
【出 处】
：
2016第二届有机光电材料与器件国际会议
【发表日期】
：
2016年5期
【关键词】
：
ultrafast charge transfer transient absorption spectroscopy all-polymer solar ce 
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　　Ultrafast transient absorption(TA)spectroscopy was employed to investigate the thermal annealing effect on the charge transfer(CT)in bulk heterojunction(BHJ)all-polymer solar cells(all-PSCs)utilizing an n-type polymer N2200 as acceptor and a low bandgap polymer PBPT as donor.The CT generates hole polarons residing in the donor PBPT,manifested in the TA spectra of the BHJ films as the long-lived absorption peak centered at~850 nm.
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