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Photocatalytic hydrogen evolution based on Cu2ZnSnS4, Cu2NiSnS4 and Cu2CoSnS4 nanocrystals
Scopus
Toplam 121 atıf DOI
A low cost and environment-friendly Cu2ZnSnS4, Cu2CoSnS4 and Cu2NiSnS4 nanocrystals have been used as a catalyst instead of noble metal Pt for the photocatalytic hydrogen evolution in the presence of triethanolamine and eosin Y as a sacrificial reducing agent and a photosensitizer, respectively under visible light irradiation. Cu2NiSnS4 and Cu2CoSnS4 nanocrystals exhibit a longer photostability and a higher hydrogen evolution rate of 1200 μmolg−1 h−1, 900 μmolg−1 h−1, respectively, compared to that of Cu2ZnSnS4 by producing hydrogen 670 μmolg−1 h−1.
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Shape-controlled synthesis of copper based multinary sulfide catalysts for enhanced photocatalytic hydrogen evolution
Scopus
Havuzumuzda 28 atıf almış
In this study, for the first time, phase and shape controlled copper-based multinary sulfide (M:CuxS, M: Ni, Co, Mn and Zn) nanorods were synthesized using different ratios of dopants. These nanorods were used as the catalyst for the photocatalytic hydrogen evolution, and the effect of the doped metals was investigated under sunlight illumination in the presence of eosin-Y and triethanolamine as a photosensitizer and a sacrificial donor agent, respectively. The reaction rates of hydrogen evolution were found in the order of Ni:CuxS > Co:CuxS > Mn:CuxS > Zn:CuxS as 4.0, 1.2, 0.9 and 0.7 mmol g−1 h−1, respectively. The strategy proposed here is straightforward, holding a great potential to produce high-efficiency catalytic activity and stability of Ni doped CuxS nanorods when compared to the others.
Atıf Yapan Makale Bilgileri
Kurumlar (2)
Karamanoğlu Mehmetbey Üniversitesi
Karaman, Turkey
Selçuk Üniversitesi
Selçuklu, Turkey