A Non-Oxidative Approach toward Chemically and Electrochemically Functionalizing Si(111)
作者:Rosemary D. Rohde、Heather D. Agnew、Woon-Seok Yeo、Ryan C. Bailey、James R. Heath
DOI:10.1021/ja062012b
日期:2006.7.1
A general method for the non-oxidative functionalization of single-crystal silicon(111) surfaces is described. The silicon surface is fully acetylenylated using two-step chlorination/alkylation chemistry. A benzoquinone-masked primary amine is attached to this surface via Cu(I)-catalyzed Huisgen 1,3-dipolar cycloaddition ("click" chemistry). The benzoquinone is electrochemically reduced, resulting
描述了单晶硅 (111) 表面非氧化功能化的一般方法。硅表面使用两步氯化/烷基化化学完全乙炔化。苯醌掩蔽的伯胺通过 Cu(I) 催化的 Huisgen 1,3-偶极环加成(“点击”化学)连接到该表面。苯醌被电化学还原,导致分子定量裂解并暴露胺末端。呈现羧酸的分子已被固定在暴露的胺位点上。X 射线光电子能谱 (XPS)、傅里叶变换红外光谱 (FTIR)、循环伏安法 (CV) 和接触角测角仪被用来表征和量化功能化过程中的每个步骤。