Cai Chunqi, Zhai Lanlan, Zou Chao, Li Zhensong, Zhang Lijie, Yang Yun, Huang Shaoming
Zhejiang Key Laboratory of Carbon Materials, College of Chemistry and Material Engineering, Wenzhou University, Wenzhou, 325027, People's Republic of China.
Nanoscale Res Lett. 2015 Dec;10(1):996. doi: 10.1186/s11671-015-0996-y. Epub 2015 Jul 15.
Wurtzite CuInS2 nanoleaves were synthesized by Cu1.94S-assisted growth. By observing the evolution of structures and phases during the growth process, Cu1.94S nanocrystals were found to be formed after uninterrupted oxidation and sulfidation of copper nanoparticles at the early stage, serving as catalysts to introduce the Cu and In species into CuInS2 nanoleaves growth for inherent property of fast ionic conductor. The obtained CuInS2 nanoleaves were characterized by scanning transmission electron microscopy, transmission electron microscopy, fast Fourier transform, X-ray diffraction, and energy dispersive X-ray spectroscopy mapping. The enhancement of photoresponsive current of CuInS2 nanoleaf film, evaluated by I-V curves of nanoleaf film, is believed to be attributed to the fast carrier transport benefit from the nature of single crystalline of CuInS2 nanoleaves.
纤锌矿型CuInS₂纳米片通过Cu₁.₉₄S辅助生长法合成。通过观察生长过程中结构和相的演变，发现铜纳米颗粒在早期经过不间断的氧化和硫化后形成了Cu₁.₉₄S纳米晶体，其作为催化剂将Cu和In物种引入到CuInS₂纳米片的生长中，这得益于快速离子导体的固有特性。通过扫描透射电子显微镜、透射电子显微镜、快速傅里叶变换、X射线衍射和能量色散X射线光谱映射对所得的CuInS₂纳米片进行了表征。通过纳米片薄膜的I-V曲线评估，CuInS₂纳米片薄膜光响应电流的增强被认为归因于CuInS₂纳米片单晶性质带来的快速载流子传输。
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