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High-efficiency organic-dye-sensitized solar cells controlled by nanocrystalline-TiO2 electrode thickness
Journal article   Peer reviewed

High-efficiency organic-dye-sensitized solar cells controlled by nanocrystalline-TiO2 electrode thickness

Seigo Ito, Shaik M. Zakeeruddin, Robin Humphry-Baker, Paul Liska, Raphael Charvet, Pascal Comte, Mmad K. Nazeeruddin, Peter Pechy, Masakazu Takata, Hidetoshi Miura, …
Advanced materials (Weinheim), Vol.18(9), pp.1202-1205
02/05/2006
DOI: https://doi.org/10.1002/adma.200502540

Abstract

Chemistry Chemistry, Multidisciplinary Chemistry, Physical Materials Science Materials Science, Multidisciplinary Nanoscience & Nanotechnology Physical Sciences Physics Physics, Applied Physics, Condensed Matter Science & Technology Science & Technology - Other Topics Technology
A mesoscopic bilayer TiO2 film used as an electron collector in conjunction with an acetonitrile- or ionic liquid-based electrolyte greatly improves the performance of dye-sensitized solar cells (see figure). The thickness of the nanocrystalline TiO2 film affects the photovoltaic characteristics, particularly for the ionic-liquid-based electrolyte, owing to a limitation of the photo-current by the diffusion of I-3(-) ions.

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