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- Science China Press., Co. Ltd.
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No full text在超高真空条件下利用高温钨丝裂解氢分子制备气相氢原子,并研究了气相氢原子与Pt(111)表面的相互作用.热脱附谱(TDS)结果表明气相分子氢在Pt(111)表面吸附生成表面吸附氢物种;而气相原子氢在Pt(111)表面吸附不仅生成表面吸附氢物种,而且能够生成体相氢物种.Pt(111)表面体相氢物种的热稳定性低于表面氢物种,表明体相氢物种具有更高的能量.这种弱吸附体相氢物种有可能是Pt表面催化加氢反应的活性氢物种
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