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Based on various characterizations, such as XRD, XPS, TEM, SEM, BET, FLS, RAMAN, IR, DRS of pyrodine adsorption, nitrogen-adsorption etc. 同时采用XRD、TEM、SEM、FT-IR、XPS、EDX、RAMAN、荧光光谱、氮气吸附等温线等表征手段对所制备催化剂的结构进行了表征。