Synthesis and characterisation of [Cu4In(PPh3)3SePh(μ-SePh)3(μ3-SePh)3], and its application as a precursor of a sensitizer for a photocatalyst†
Thiago André
Salgueiro Soares, 
c
Paulo Cesar
Piquini,
d
Bárbara
Tirloni,
b
Giovanna
Machado
*c
and
Ernesto Schulz
Lang
*b
c
Paulo Cesar
Piquini,
d
Bárbara
Tirloni,
b
Giovanna
Machado
*c
and
Ernesto Schulz
Lang
*b
Abstract
The synthesis and characterisation of [Cu4In(PPh3)3SePh(μ-SePh)3(μ3-SePh)3] (1) is described together with its use as a precursor of CuInSe2. Compound 1 is a kind of single source precursor that has increased thermodynamic stability relative to many other organometallic compounds, and it can be used to generate the CuInSe2 sensitizer. The CuInSe2 generated from 1 was immobilized in TiO2 to give the composite CuInSe2/TiO2 (1a), which behaves as an active and robust photocatalyst for water splitting.
![Graphical abstract: Synthesis and characterisation of [Cu4In(PPh3)3SePh(μ-SePh)3(μ3-SePh)3], and its application as a precursor of a sensitizer for a photocatalyst](/az/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=C9NJ02046B&imageInfo.ImageIdentifier.Year=2019)
- This article is part of the themed collection: Selenium & Tellurium chemistry at the beginning of the 3rd millennium: a celebration of ICCST
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