利用X射线衍射谱(XRD)和X射线光电子谱(XPS)研究了热处理对AgxO样品的结构及成份的影响.研究结果表明所有制备的AgxO样品基本为无定型,并且AgO和Ag2O两种成份共存;两组具有代表性的AgxO样品经过高温热处理后分别呈现了(Ag+Ag2O)和Ag2O的多晶结构,结构及成份的巨大差异与样品制备条件息息相关;AgO和Ag2O两种成份的热分解临界温度分别为200℃和300℃;热处理过程中,伴随着AgxO的热分解及体内的氧原子向样品表面的扩散过程,并且Ag2O具有相对致密的结构.
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