Carbazole-Based Molecular Glasses as Hole-Transporting Materials in Solid State Dye-Sensitized Solar Cells

被引:35
作者
Bui, Thanh-Tuan [1 ]
Shah, Said Karim [2 ,3 ,4 ]
Abbas, Mamatimin [2 ,3 ]
Sallenave, Xavier [1 ]
Sini, Gjergji [1 ]
Hirsch, Lionel [2 ,3 ]
Goubard, Fabrice [1 ]
机构
[1] Univ Cergy Pontoise, Lab Physicochim Polymeres & Interfaces, 5 Gay Lussac, F-95000 Neuville Sur Oise, France
[2] Univ Bordeaux, IMS, UMR 5218, F-33607 Pessac, France
[3] CNRS, IMS, UMR 5218, F-33607 Pessac, France
[4] Abdul Wali Khan Univ Mardan, Dept Phys, Khyber Pakhtunkhwa 23200, Pakistan
来源
CHEMNANOMAT | 2015年 / 1卷 / 03期
关键词
carbazole; density functional calculations; dye-sensitized solar cells; hole transporting material; molecular glasses; DENSITY-FUNCTIONAL THEORY; ORGANIC SEMICONDUCTORS; SHAPED MOLECULES; DERIVATIVES; APPROXIMATION;
D O I
10.1002/cnma.201500014
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Three 3,6-di(4-methoxyphenyl) amino N-alkylated carbazoles were synthesized, characterized and incorporated in solid state dye-sensitized solar cells. Devices using these compounds as solid hole conductors showed relative high V-oc thanks to good energy level matching between them and D102 dye. However, they yield relatively low J(sc) and FF compared to spiro-OMeTAD-based control devices, which is due to an order of magnitude lower mobility and conductivity with respect to spiro-OMeTAD. Maximum PCEs for N-ethyl and N-hexyl 3,6-di(4-methoxyphenyl) amino carbazoles (2a, 2b) are 1.6 %, and 1.8% respectively, whereas spiro-OMeTAD devices gave 4.4 %. Stability tests in air under continuous illumination have been reported.
引用
收藏
页码:203 / 210
页数:8
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