Hole Transport Materials with Low Glass Transition Temperatures and High Solubility for Application in Solid-State Dye-Sensitized Solar Cells

被引：306

作者：

Leijtens, Tomas ^{[1
]}

Ding, I-Kang ^{[2
]}

Giovenzana, Tommaso ^{[2
]}

Bloking, Jason T. ^{[2
]}

McGehee, Michael D. ^{[2
]}

Sellinger, Alan ^{[2
]}

机构：

[1] Stanford Univ, Dept Chem Engn, Stanford, CA 94305 USA

[2] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA

来源：

ACS NANO | 2012年 / 6卷 / 02期

关键词：

organic photovoltaics; solid-state dye-sensitized solar cells; organic hole transport materials; CONJUGATED POLYMERS; TIO2; FILMS; PERFORMANCE; EFFICIENCY; ELECTRON; DEVICE;

D O I：

10.1021/nn204296b

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We present the synthesis and device characterization of new hole transport materials (HTMs) for application in solid-state dye-sensitized solar cells (ssDSSCs). In addition to possessing electrical properties well suited for ssDSSCs, these new HTMs have low glass transition temperatures, low melting points, and high solubility, which make them promising candidates for increased pore filling into mesoporous titania films. Using standard device fabrication methods and Z907 as the sensitizing dye, power conversion efficiencies (PCE) of 2.94% in 2-mu m-thick cells were achieved, rivaling the PCE obtained by control devices using the state-of-the-art HIM spiro-OMeTAD. In 6-mu m-thick cells, the device performance is shown to be higher than that obtained using spiro-OMeTAD, making these new HTMs promising for preparing high-efficiency ssDSSCs.

引用

页码：1455 / 1462

页数：8

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