L-半胱氨酸辅助CuGaS2微球的溶剂热合成与表征

人工晶体学报, 2011, 40(2): 441-449.

L-半胱氨酸辅助CuGaS2微球的溶剂热合成与表征

李振荣 ^1, , 钟家松 ^2, , 陈兆平 ^3, , 蔡倩 ^4, , 梁晓娟 ^5, , 向卫东 ^6,

1.辽宁大学轻型产业学院,沈阳,110036

2.同济大学材料科学与工程学院,上海,200092

3.辽宁大学轻型产业学院,沈阳,110036

4.温州大学化学与材料学院,温州,325035

5.温州大学化学与材料学院,温州,325035

6.同济大学材料科学与工程学院,上海,200092;温州大学化学与材料学院,温州,325035

基金项目: 浙江省国际科技合作项目(2008C14088) 国家自然科学基金(50772075;50972107) 浙江省重点科技创新团队(2009R50010;G20090082)

关键词： CuGaS2 , L-半胱氨酸 , 溶剂热

Synthesis and Characterization of CuGaS2 Microspheres by L-cysteine-assisted via a Solvothermal Method

以二水氯化铜(CuCl2H2O)和三氯化镓(GaCl3)为先驱体,生物分子L-半胱氨酸(C3H<,7>NO2S)为硫源和模板剂,通过溶剂热法合成了CuGaS2微球.所得样晶用XRD,FESEM,EDS,XPS,TEM,HRTEM和SAED进行表征.结果表明,在190℃反应24 h可得到结品良好、形貌规整的四方晶系CuGaS2微球,直径为2～4 μm.经计算,其品胞参数为α=0.5355 nm和c=1.0478 nm.根据实验结果,提出了 CuGaS2微球可能的生长机理.

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