Constructing high-efficient gold catalysts for acetylene hydrochlorination through interface engineering-mediated metal-support interaction
Constructing high-efficient gold catalysts for acetylene hydrochlorination through interface engineering-mediated metal-support interaction
研究概述
在载体中引入N/O杂原子，增强Au–载体电子相互作用并形成富电子界面，调节Au d带及乙炔氢氯化反应物吸附。Au/NOC氯乙烯时空收率713 gVCM·gAu⁻¹·h⁻¹，较基准提高37%，并降低失活，提供无汞催化剂设计思路。
谱图与表征信息
Fig. 2. (a) XPS survey spectra of Au-based catalysts. (b) Au 4f XPS spectra of the Au-based catalysts. (c) O 1s XPS spectra of the Au-based catalysts. (d) N 1s XPS spectra of the Au/NC and Au/NOC catalysts. (e) XANES spectra of Au-foil, AuCl3, and Au-based catalysts. (f) TPR profiles of Au-based catalysts.