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Influence of moiety sequence on the performance of small molecular photovoltaic materials
Alternative Title基元顺序对小分子光伏材料性能的影响
Liang L(梁龙)1; Wang JT(王金土)1; Xiang X(项宣)1; Ling J(凌君)1; Zhao FG(赵福刚)1; Li WS(李维实)1
2014
Source PublicationJ. Mater. Chem. A
Volume2Issue:37Pages:15396-15405
AbstractThe purpose of this work is to study the impact of moiety sequence in the chemical structure of small molecular photovoltaic materials on their basic properties and photovoltaic performance. For this aim, two isomeric compounds, namely BDT(ThBTTh)(2) and BDT(BTTh2)(2), have been designed and synthesized by exchanging benzothiadiazole and thiophene positions with a structural variation. As compared with BDT(BTTh2)(2), BDT(ThBTTh)(2) possesses a lower melting point, a blue-shifted absorption spectrum in solution, and slightly lower-lying highest occupied and lowest unoccupied molecular orbitals. More interestingly, the hole mobility of the BDT(ThBTTh)(2) neat film is 0.1 cm(2) V-1 s(-1), which is three-orders of magnitude larger than that of BDT(BTTh2)(2). Furthermore, these two compounds display significantly different photovoltaic performance, 4.53% for BDT(ThBTTh)(2) versus 1.58% for BDT(BTTh2)(2) in terms of their power conversion efficiency.
Subject Area高分子化学
DOI10.1039/c4ta03125c
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Indexed BySCI
Language英语
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Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sioc.ac.cn/handle/331003/38905
Collection高分子材料研究室
Corresponding AuthorLi WS(李维实)
Affiliation1.中科院上海有机化学研究所
2.浙江理工大学
3.浙江大学
Recommended Citation
GB/T 7714
Liang L,Wang JT,Xiang X,et al. Influence of moiety sequence on the performance of small molecular photovoltaic materials[J]. J. Mater. Chem. A,2014,2(37):15396-15405.
APA 梁龙,王金土,项宣,凌君,赵福刚,&李维实.(2014).Influence of moiety sequence on the performance of small molecular photovoltaic materials.J. Mater. Chem. A,2(37),15396-15405.
MLA 梁龙,et al."Influence of moiety sequence on the performance of small molecular photovoltaic materials".J. Mater. Chem. A 2.37(2014):15396-15405.
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