CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Improved Glass Transition Temperature towards Thermal Stability via Thiols Solvent Additive versus DIO in Polymer Solar Cells
Yin, JP; Zhou, WH; Zhang, L; Xie, YP; Yu, ZKN; Shao, J; Ma, W; Zeng, JR; Chen, YW
2017
Source PublicationMACROMOLECULAR RAPID COMMUNICATIONS
ISSN1022-1336
Volume38Issue:20Pages:-
Subtype期刊论文
AbstractThe halogen-free solvent additive, 1,4-butanedithiol (BT) has been incorporated into PTB7-Th: PC71BM, leading to higher power conversion efficiency (PCE) value as well as substantially enhanced thermal stability, as compared with the traditional 1,8-diiodooctane (DIO) additive. More importantly, the improved thermal stability after processing with BT contributes to a higher glass transition temperature (T-g) of PTB7-Th, as determined by dynamic mechanical analysis. After thermal annealing at 130 degrees C in nitrogen atmosphere for 30 min, the PCE of the specimen processed with BT reduces from 9.3% to 7.1%, approaching to 80% of its original value. In contrast, the PCE of specimens processed with DIO seriously depresses from 8.3% to 3.8%. These findings demonstrate that smart utilization of low-boiling-point solvent additive is an effective and practical strategy to overcome thermal instability of organic solar cells via enhancing the T-g of donor polymer.
KeywordBulk Heterojunction Efficiency Enhancement Organic Photovoltaics Residual Additives High-performance Active Layers Morphology Degradation Photostability Stabilization
DOI10.1002/marc.201700428
WOS KeywordBULK HETEROJUNCTION ; EFFICIENCY ENHANCEMENT ; ORGANIC PHOTOVOLTAICS ; RESIDUAL ADDITIVES ; HIGH-PERFORMANCE ; ACTIVE LAYERS ; MORPHOLOGY ; DEGRADATION ; PHOTOSTABILITY ; STABILIZATION
Indexed BySCI
Language英语
WOS IDWOS:000413339400007
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28689
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Yin, JP,Zhou, WH,Zhang, L,et al. Improved Glass Transition Temperature towards Thermal Stability via Thiols Solvent Additive versus DIO in Polymer Solar Cells[J]. MACROMOLECULAR RAPID COMMUNICATIONS,2017,38(20):-.
APA Yin, JP.,Zhou, WH.,Zhang, L.,Xie, YP.,Yu, ZKN.,...&Chen, YW.(2017).Improved Glass Transition Temperature towards Thermal Stability via Thiols Solvent Additive versus DIO in Polymer Solar Cells.MACROMOLECULAR RAPID COMMUNICATIONS,38(20),-.
MLA Yin, JP,et al."Improved Glass Transition Temperature towards Thermal Stability via Thiols Solvent Additive versus DIO in Polymer Solar Cells".MACROMOLECULAR RAPID COMMUNICATIONS 38.20(2017):-.
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