{110}晶面外露的Cu_2O颗粒的合成及其对高氯酸铵热分解催化活性  

Synthesis of Cu_2O Particles with Exposed {110} Facets and Its Catalytic Activity on Thermal Decomposition of Ammonium Perchlorate

作　　者：钱建国 邹怡东 薛轩 施敏杰[2] 张鹏[2] 宋雪峰[2] 高濂[2] 

机构地区：[1]上海航天化工应用研究所,上海200125 [2]上海交通大学材料科学与工程学院,上海200240

出　　处：《硅酸盐学报》2016年第7期1040-1045,共6页Journal of The Chinese Ceramic Society

基　　金：上海航天科技创新基金项目(SAST201458);国家自然科学基金项目(51302169);211三期先进材料科学项目(WS3116205007)

摘　　要：通过液相合成法,利用油酸作为形貌导向剂,通过控制油酸的用量,制备出不同形貌的Cu_2O催化剂。其中,外露面为{110}的十二面体Cu_2O单晶,对高氯酸铵(AP)的低温分解的催化效果最佳,使AP的低温分解温度降低约61℃,使其分解峰值温度降到269℃。此外,当十二面体Cu_2O单晶的添加量由2%增加到5%时,AP的低温阶段分解的质量分数由25.1%增加至98.1%。Cu2O particles were successfully fabricated by a facile hydrothermal method, and its shape of the particles depends on the amount of morphology inducing agent, i.e. oleic acid. Cu2O with various morphology effectively promotes the pyrolysis of ammonium perchlorate （AP）, and the dodecahedral Cu2O with exposed {110} plane presents the best catalytic effect on the low temperature decomposition of AP. The dodecahedral Cu2O substantially decreases the temperature of first-stage decomposition of AP to 269℃. Furthermore, the decomposed mass fraction of AP in low temperature stage increased markedly from 25.1% to 98.1% as the additive amount of dodecahedral Cu2O increased from 2% to 5%.

关 键 词：Cu2O单晶 十二面体 高氯酸铵热分解 催化 

分 类 号：O643[理学—物理化学]