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首页> 外文期刊>Bulletin of the Chemical Society of Japan >Solid-State Thin-Film Dye-Sensitized Solar Cell Co-Sensitized with Methylammonium Lead Bromide Perovskite
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Solid-State Thin-Film Dye-Sensitized Solar Cell Co-Sensitized with Methylammonium Lead Bromide Perovskite

机译：固态薄膜染料敏化太阳能电池与甲基铵溴化溴铵钙钛合敏化

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摘要

Herein, for the first time, a concept of co-sensitization of the D149 dye with methylammonium lead bromide (MAPbBr(3)) perovskite is presented in solid-state dye-sensitized solar cells (ss-DSSCs). A thin film was fabricated by employing similar to 500 nm TiO2 mesoporous layer sensitized with metal-free organic dye D149 and MAPbBr(3) as a co-sensitizer which absorb long wavelength (green) and short wavelength (blue) light, respectively. With panchromatic spectral sensitivity up to similar to 680 nm, the co-sensitized device yielded power conversion efficiency up to 3.1% by means of tuning the loading amounts of perovskite with respect to dye. We found that small amounts of MAPbBr(3) can mitigate dye aggregation and can improve the light harvesting property of the device sensitized with a D149 dye. Additionally, electrochemical impedance spectroscopic (EIS) analysis of dye/perovskite co-sensitized device showed efficient charge transfer between dye (embedded with perovskite crystal) and TiO2. This study opens up the possibilities of use of lead bromide perovskite as co-sensitizer in ss-DSSCs.
机译：在此，首次呈现D149染料与甲基烷基溴化物（MAPBBBR（3））钙钛矿的概念，其在固态染料敏化太阳能电池（SS-DSSCs）中。通过使用与无金属有机染料D149和MAPBBR（3）相敏感的500nm TiO 2的介孔层作为共敏化剂，以分别吸收长波长（绿色）和短波长（蓝色）光，通过使用与500nm TiO 2的介孔层制造薄膜。具有达到680nm的Panchromatic光谱敏感性，共敏化装置通过调节佩莫特的装载量高达3.1％，得到功率转换效率高达3.1％。我们发现少量Mapbbr（3）可以减轻染料聚集，可以改善用D149染料致敏的装置的光收集性能。另外，染料/钙钛矿共敏化装置的电化学阻抗光谱（EIS）分析显示染料（嵌入钙钛矿晶体）和TiO2之间有效的电荷转移。本研究开辟了在SS-DSSCS中使用铅溴钙钛矿作为共敏化剂的使用。

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