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锚定基团和给电子基团数量对游离碱卟啉和锌卟啉敏化太阳能电池效率的影响

Effect of the Number of Anchoring and Electron-Donating Groups on the Efficiency of Free-Base- and Zn-Porphyrin-Sensitized Solar Cells.

作者信息

Nasrollahi Raheleh, Martín-Gomis Luis, Fernández-Lázaro Fernando, Zakavi Saeed, Sastre-Santos Ángela

机构信息

Área de Química Orgánica, Instituto de Bioingeniería, Universidad Miguel Hernández, Avda. de la Universidad s/n, 03203 Elche, Spain.

Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran.

出版信息

Materials (Basel). 2019 Feb 21;12(4):650. doi: 10.3390/ma12040650.

DOI:10.3390/ma12040650
PMID:30795530
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6416604/
Abstract

A series of porphyrin compounds, free base (H₂P) and their Zn (II) metallated analogues (ZnP), bearing one, two or three carboxylic acid groups, have been synthesized, characterized, and used as sensitizers in dye sensitized solar cells (DSSCs). The performance of these devices has been analyzed, showing higher efficiencies of those sensitized with ZnP compounds. These results have been explained, on one hand, taking into account the electronic character of the metal ion, which acts as mediator in the injection step, and, on the other, considering the number of anchoring groups, which determines both the stereoelectronic character of the dye and the way it binds to TiO₂ surface.

摘要

一系列带有一个、两个或三个羧酸基团的卟啉化合物，即游离碱（H₂P）及其锌（II）金属化类似物（ZnP），已被合成、表征，并用作染料敏化太阳能电池（DSSC）中的敏化剂。对这些器件的性能进行了分析，结果表明用ZnP化合物敏化的器件具有更高的效率。一方面，考虑到在注入步骤中起介导作用的金属离子的电子特性来解释这些结果；另一方面，考虑到锚定基团的数量，它决定了染料的立体电子特性及其与TiO₂表面结合的方式。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cbc7/6416604/96ebddb2722f/materials-12-00650-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cbc7/6416604/72536f845941/materials-12-00650-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cbc7/6416604/413987822910/materials-12-00650-g003.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cbc7/6416604/96ebddb2722f/materials-12-00650-g007.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cbc7/6416604/4f63942e9902/materials-12-00650-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cbc7/6416604/4587b027a316/materials-12-00650-sch002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cbc7/6416604/c885d4786572/materials-12-00650-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cbc7/6416604/413987822910/materials-12-00650-g003.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cbc7/6416604/7a83bf401bb3/materials-12-00650-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cbc7/6416604/96ebddb2722f/materials-12-00650-g007.jpg

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