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用程序升温脱附-红外光谱(TPD-IR)动态方法,研究了铑与载体相互作用对铑催化剂上的CO孪生、线式和桥式吸附态稳定性的影响。结果表明,金属载体的非强相互作用(NSMSI)能提高铑催化剂上3种CO吸附态的稳定性。其影响可用NSMSI效应的酸-碱机制解释.
The temperature-programmed desorption-infrared spectroscopy (TPD-IR) kinetic method was used to study the effect of rhodium-supported interaction on the CO twin, linear and bridged adsorption stability of rhodium catalysts. The results show that the non-strong interaction of metal supports (NSMSI) can improve the stability of three CO adsorption states on the rhodium catalyst. Its effects can be explained by the acid-base mechanism of the NSMSI effect.