【摘 要】
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A metal-free semiconductor,g-C3N4,has been proved a kind of efficient photocatalyst due to its characteristics of high thermal,chemical stability,versatile
【出 处】
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第十四届全国太阳能光化学与光催化学术会议
论文部分内容阅读
A metal-free semiconductor,g-C3N4,has been proved a kind of efficient photocatalyst due to its characteristics of high thermal,chemical stability,versatile optical,electronic,tribological,and catalytic properties [1-5].The ZrO2 and g-C3N4 composite photocatalyst has been prepared and characterized by XRD,SEM,XPS,UV-vis DRS,BET and PL spectra.The photocatalytic activity of the photocatalyst was evaluated by degradation of methylene blue under visible light irradiation.The results showed that the activity of composite photocatalyst ZrO2/g-C3N4 for photodegradation of MB is much higher than that of either pure g-C3N4 or ZrO2.The ·O2 might be the main active species in photodegradation process,and the ·OH and photogenerated electrons are also partly involved.
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