【摘 要】
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The Ag+photoreduction by graphitic carbon nitride(g-CN)materials in a high concentration of Ag+solution is reported,and a series of colorful Ag/g-CN composites
【机 构】
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School of Chemistry and Physics, Science and Engineering Faculty, Queensland University of Technolog
论文部分内容阅读
The Ag+photoreduction by graphitic carbon nitride(g-CN)materials in a high concentration of Ag+solution is reported,and a series of colorful Ag/g-CN composites is prepared and characterized.The chromatic change correlates to the carbon nitride materials synthesized at different heating temperatures(CNT,where Tmeans heating temperature),taking advantage of the different photocatalytic activities of different CNT.The mechanism beneath this phenomenon is attributed to two factors:the particle size of Ag NPs and the coordinate effect of Ag NPs on CNT sheets.Interestingly,the multi-colors of Ag/g-CN composites display only on the CNr materials synthesized from heating melamine-cyanuric acid pre-cursor,but not on the CNr from heating pure melamine.The color of the as-prepared Ag/g-CN composites can endure the corrosion of HNO3 and ethanol,which shows a good chemical stability and may hint its application as chromophores.
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