Johnson Noah M, Smolin Yuriy Y, Hagaman Daniel, Soroush Masoud, Lau Kenneth K S, Ji Hai-Feng
Department of Chemistry, Drexel University, Philadelphia, PA 19104, USA.
Department of Chemical and Biological Engineering, Drexel University, Philadelphia, PA 19104, USA.
Phys Chem Chem Phys. 2017 Jan 25;19(4):2981-2989. doi: 10.1039/c6cp07853b.
This work deals with the fabrication and evaluation of color-changing dye-sensitized solar cells (DSSCs) that include N-propanoic acid-functionalized spiropyrans and spirooxazines as sensitizing dyes. We investigated the photophysical properties of these compounds in various solvents and pH conditions using UV-Vis spectroscopy, and their behavior on TiO photoanode surfaces using a combination of UV-Vis and FT-IR. Their performance as sensitizing dyes for DSSCs was also analyzed. This study revealed a number of unique properties for this class of compounds that affect their performance as both photochromic compounds and DSSC sensitizers, which allow for future creation of efficient photochromic DSSCs.
这项工作涉及变色染料敏化太阳能电池（DSSC）的制备与评估，该电池包含N-丙酸官能化的螺吡喃和螺恶嗪作为敏化染料。我们使用紫外-可见光谱研究了这些化合物在各种溶剂和pH条件下的光物理性质，并结合紫外-可见光谱和傅里叶变换红外光谱研究了它们在TiO光阳极表面的行为。还分析了它们作为DSSC敏化染料的性能。这项研究揭示了这类化合物的许多独特性质，这些性质影响它们作为光致变色化合物和DSSC敏化剂的性能，这为未来高效光致变色DSSC的创造提供了可能。
