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TiO2 paste for DSSC

Printed From: Sol-Gel Gateway
Category: Sol-Gel Forum
Forum Name: Coatings & Films
Forum Discription: Discussion on Compositions, Deposition Techniques, Properties & Applications of Thin and Thick films
URL: http://www.solgel.com/sgforum/forum_posts.asp?TID=1771
Printed Date: 19 August 2017 at 4:30pm


Topic: TiO2 paste for DSSC
Posted By: Lekha
Subject: TiO2 paste for DSSC
Date Posted: 06 November 2009 at 5:23am

Hi

I'm using P25 TiO2 nanoparticles to prepare TiO2 film on FTO substrate for DSSC working electrode via doctor blade. I prepare the TiO2 paste in ethanol, I'm facing a problem ie, when i go for multiple coating in order to increase the thickness of film, the film adherence is poor or cracks develop and the film starts to peel off, can anyone suggest a method for preparing thicker films (~10micro meter) via doctor blade using some other solvent or conditions.

 




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