Dye Sensitized Solar Cells: TiO2 Sensitization with a Bodipy-Porphyrin Antenna System

被引：209

作者：

Lee, Chang Yeon ^{[1
]}

Hupp, Joseph T. ^{[1
]}

机构：

[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA

来源：

LANGMUIR | 2010年 / 26卷 / 05期

关键词：

RESONANCE ENERGY-TRANSFER; PHOTOPHYSICAL PROPERTIES; ELECTRON-TRANSFER; PHOTOELECTROCHEMICAL PROPERTIES; THIN-FILMS; MODULATION; KINETICS; SPECTROSCOPY; FLUORESCENCE; DERIVATIVES;

D O I：

10.1021/la9031927

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A zinc porphyrin derivative (2) and zinc porphyrin-bodipy dyad (3) have been prepared and applied to dye-sensitized solar cells (DSSCs). On the basis of absorption and fluorescence excitation spectra, dyad 3 efficiently (transfers energy from the bodipy to zinc porphyrin constituent. The 3-sensitized solar cell demonstrates higher solar spectral coverage, based oil incident photon to Current efficiency (IPCE) spectral and an improved power conversion efficiency (eta = 1.55%) compared to that of the 2-sensitized cell (eta = 0.84%). The better performance of the 3-sensitized cell is attributed largely to the gain in spectral absorbance provided by the bodipy constituent of 3. Also evident, however, are secondary effects reflecting (a) fill-factor improvement and (b) a slight gain in porphyrin red-edge absorbance due to bodipy-conjugate formation.

引用

页码：3760 / 3765

页数：6

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