Surfactant-free hydrothermal synthesis of Cu2ZnSnS4 (CZTS) nanocrystals with photocatalytic properties

Surfactant-free hydrothermal synthesis of Cu2ZnSnS4 (CZTS) nanocrystals with photocatalytic properties
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无表面活性剂水热合成具有光催化性能的 Cu2ZnSnS4 (CZTS) 纳米晶

DOI:
10.1039/c4ra03444a
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发表时间:
2014-06
期刊:
影响因子:
3.9
通讯作者:
Gao, Lian
Gao, Lian
中科院分区:
化学3区
文献类型:
--
作者:
Wang, Jing;Zhang, Peng;Song, Xuefeng;Gao, Lian

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Cu 2 ZnSnS 4(CZTS)作为一种低成本、环境友好的太阳能吸收材料,在光伏和光催化领域引起了人们极大的兴趣。开发低温、绿色化学路线制备这种四元硫化物仍然是一个挑战。在本研究中,我们提出了一种无表面活性剂的水热法制备CZTS纳米晶体的平均尺寸为12 nm和光催化制氢。氨被认为在限制颗粒尺寸方面起关键作用。采用XRD、拉曼、XPS、TEM和紫外-可见吸收光谱等测试手段对CZTS纳米粒子的性质进行了表征。在薄膜和浆料体系中测试了合成的CZTS纳米粒子的光催化性能。
As a low cost and environment-friendly solar absorber material, Cu2ZnSnS4 (CZTS) has aroused great interest for both photovoltaic and photocatalytic applications. The development of low temperature and green chemical route for the preparation of this quaternary sulfide compound still remains a challenge. In the present study, we present a surfactant-free hydrothermal method for the preparation of CZTS nanocrystals with an average size of 12 nm and photoactivity in hydrogen production. Ammonia was proposed to play a key role in confining the particle sizes. The properties of the CZTS nanoparticles were characterized using XRD, Raman, XPS, TEM, and UV-vis absorption. The photocatalytic properties of the as-synthesized CZTS nanoparticles were tested both in thin films and in slurry systems.
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发表时间: 2009-01-01
影响因子: 32.5
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