In Situ Synthesis of PbS Nanocrystals in Polymer Thin Films from Lead(II) Xanthate and Dithiocarbamate Complexes: Evidence for Size and Morphology Control
作者:Edward A. Lewis、Paul D. McNaughter、Zhongjie Yin、Yiqiang Chen、Jack R. Brent、Selina A. Saah、James Raftery、Johannes A. M. Awudza、M. Azad Malik、Paul O’Brien、Sarah J. Haigh
DOI:10.1021/cm504765z
日期:2015.3.24
film to decompose the precursor. The effect of precursor chemistry has been explored using lead(II) dithiocarbamates, their 1,10-phen adducts, and lead(II) xanthates with different alkyl chain lengths (butyl, hexyl, and octyl). The xanthates were found to be more promising precursors giving control over nanocrystal size and shape on variation of the alkyl chain length. The lead(II) octyl xanthate complex
硫化铅已经从聚合物基质中的单分子前体中生长出来,形成了PbS纳米晶体网络。这些材料是用于柔性混合光伏设备的聚合物-纳米颗粒层处理的模型系统。通过将包含前体和聚合物的溶液旋涂到基底上,然后加热膜以分解前体来实现加工。使用二硫代氨基甲酸铅(II),它们的1,10-phen加合物和具有不同烷基链长(丁基,己基和辛基)的黄原酸铅(II)已经探索了前体化学的影响。发现黄原酸酯是更有前途的前体,其在烷基链长度的变化上提供对纳米晶体尺寸和形状的控制。辛酸黄原酸铅(II)络合物引起各向异性生长,