油酸包覆的硫化镉、硒化镉和硫化镉0.75硒0.25合金纳米晶体的光催化析氢
Photocatalytic hydrogen evolution by oleic acid-capped CdS, CdSe, and CdS0.75Se0.25 alloy nanocrystals.
作者信息
Aslan Emre, Birinci Okan, Aljabour Abdalaziz, Ozel Faruk, Akın Ilker, Hatay Patir Imren, Kus Mahmut, Ersoz Mustafa
机构信息
Selcuk University, Department of Chemistry, 42031, Konya (Turkey), Fax: (+90) 332 241 0106.
出版信息
Chemphyschem. 2014 Sep 15;15(13):2668-71. doi: 10.1002/cphc.201402229. Epub 2014 Jun 12.
Photocatalytic generation of hydrogen by using oleic acid-capped CdS, CdSe, and CdS(0.75)Se(0.25) alloy nanocrystals (quantum dots) has been investigated under visible-light irradiation by employing Na(2)S and Na(2)SO(3) as hole scavengers. Highly photostable CdS(0.75)Se(0.25) 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.
通过使用油酸包覆的硫化镉（CdS）、硒化镉（CdSe）和硫化镉（0.75）硒（0.25）合金纳米晶体（量子点）在可见光照射下利用硫化钠（Na₂S）和亚硫酸钠（Na₂SO₃）作为空穴清除剂进行光催化产氢的研究。具有高光稳定性的硫化镉（0.75）硒（0.25）合金纳米晶体产生了最高的析氢速率（1466 μmol h⁻¹ g⁻¹），这大约是硫化镉的三倍，是硒化镉的七倍。
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