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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Convenient Synthesis and Purification of [Bu4N]2[Ru(4-carboxy-4-carboxylate-2,2′-bipyridine)2(NCS)2]: a Landmark DSC Dye

Tristan Rawling A , Florian Buchholz A and Andrew M. McDonagh A B
+ Author Affiliations
- Author Affiliations

A Institute of Nanoscale Technology, University of Technology Sydney, Sydney NSW 2007, Australia.

B Corresponding author. Email: andrew.mcdonagh@uts.edu.au

Australian Journal of Chemistry 61(6) 405-408 https://doi.org/10.1071/CH08037
Submitted: 29 January 2008  Accepted: 6 May 2008   Published: 19 June 2008

Abstract

We present here a convenient synthesis of the landmark dye-sensitized solar cell dye [Bu4N]2[Ru(4-carboxy-4-carboxylate-2,2′-bipyridine)2(NCS)2] (N719). Key to this synthetic procedure is the protection of the carboxyl functionalities with iso-butyl ester groups. This strategy allows the use of silica chromatography to remove the less efficient S-bound isomers and significantly reduces the time and difficulty of the synthesis.


References


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