Photocatalytic Hydrogen Evolution by Oleic Acid-Capped CdS, CdSe, and CdS0.75Se0.25Alloy Nanocrystals
Journal article published in 2014 by
Emre Aslan 
,
Okan Birinci,
Abdalaziz Aljabour,
Faruk Özel,
Ilker Akın,
Imren Hatay Patir,
Mahmut Kus,
Mustafa Ersoz
,
Okan Birinci,
Abdalaziz Aljabour,
Faruk Özel,
Ilker Akın,
Imren Hatay Patir,
Mahmut Kus,
Mustafa Ersoz
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Abstract
Photocatalytic generation of hydrogen by using oleic acid-capped CdS, CdSe, and CdS0.75 Se0.25 alloy nanocrystals (quantum dots) has been investigated under visible-light irradiation by employing Na2 S and Na2 SO3 as hole scavengers. Highly photostable CdS0.75 Se0.25 alloy nanocrystals gave the highest hydrogen evolution rate (1466 μmol h(-1) g(-1) ), which was about three times higher than that of CdS and seven times higher than that of CdSe.