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由羧酸酯保护的原子级精确PbSe纳米晶体
原子级精确控制铅基半导体纳米晶:通过可替换羧酸配体(R=4-叔丁基苯基甲基)实现了Pb68Se28O8(O2CR)64纳米晶的稳定结构,其扩展八面体核心暴露Pb-rich (111)面,每个面含Pb-O2?配位结构增强表面稳定性,配体呈现六种结合模式并自组装O(111)层。该模型系统为铅基 ...
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