Issue 15, 2018

Porphyrin-sensitized solar cells: systematic molecular optimization, coadsorption and cosensitization

Abstract

As a promising low-cost solar energy conversion technique, dye-sensitized solar cells have undergone spectacular development since 1991. For practical applications, improvement of power conversion efficiency has always been one of the major research topics. Porphyrins are outstanding sensitizers endowed with strong sunlight harvesting ability in the visible region and multiple reaction sites available for functionalization. However, judicious molecular design in consideration of light-harvest, energy levels, operational dynamics, adsorption geometry and suppression of back reactions is specifically required for achieving excellent photovoltaic performance. This feature article highlights some of the recently developed porphyrin sensitizers, especially focusing on the systematic dye structure optimization approach in combination with coadsorption and cosensitization methods in pursuing higher efficiencies. Herein, we expect to provide more insights into the structure–performance correlation and molecular engineering strategies in a stepwise manner.

Graphical abstract: Porphyrin-sensitized solar cells: systematic molecular optimization, coadsorption and cosensitization

Article information

Article type
Feature Article
Submitted
18 Dec 2017
Accepted
19 Jan 2018
First published
19 Jan 2018

Chem. Commun., 2018,54, 1811-1824

Porphyrin-sensitized solar cells: systematic molecular optimization, coadsorption and cosensitization

H. Song, Q. Liu and Y. Xie, Chem. Commun., 2018, 54, 1811 DOI: 10.1039/C7CC09671B

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