The phase transformation of CuInS2 from chalcopyrite to wurtzite.

The phase transformation of CuInS2 from chalcopyrite to wurtzite.
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CuInS2从黄铜矿到纤锌矿的相变

DOI:
10.1186/s11671-015-0800-z
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发表时间:
2015
影响因子:
--
通讯作者:
Du ZL
Du ZL
中科院分区:
材料科学3区
文献类型:
--
作者:
Xie BB;Hu BB;Jiang LF;Li G;Du ZL

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本工作以去离子水为溶剂,在80℃下以硫代乙醇酸为络合剂,采用水浴法制备了CuInS_2纳米粒子,通过调节反应液的pH值实现了CuInS_2从黄铜矿到纤锌矿的相变。在反应溶液pH值较高的条件下,Cu2S的出现导致纤锌矿CuInS2的形成。这种通过调节溶液pH值来控制相结构的简便方法,为合成其他I-III-VI2三元半导体化合物开辟了一条新的途径。
In the present work, CuInS2 nanoparticles have been successfully synthesized by water-bath method with deionized water as solvent and thioglycolic acid as complexing agent at 80°C. The phase transition of CuInS2 from chalcopyrite to wurtzite was realized by adjusting the pH value of reaction solution. The emergence of Cu2S in the condition of higher pH value of reaction solution led to the formation of wurtzite CuInS2. This facile method that controls the phase structure by adjusting the solution pH value could open a new way to synthesize other I-III-VI2 ternary semiconductor compounds.
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