前处理时间对Co<sub>3</sub>O<sub>4</sub>形貌及光催化性能的影响

引用本文: 李芸玲, 李林枝, 王淑会. 前处理时间对Co₃O₄形貌及光催化性能的影响[J]. 无机化学学报, 2015, (3): 472-478. doi: 10.11862/CJIC.2015.066 shu

Citation: LI Yun-Ling, LI Lin-Zhi, WANG Shu-Hui. Effect of Pretreatment Time on Morphology and Photocatalytic Performance of Co₃O₄[J]. Chinese Journal of Inorganic Chemistry, 2015, (3): 472-478. doi: 10.11862/CJIC.2015.066 shu

前处理时间对Co₃O₄形貌及光催化性能的影响

李芸玲 ^{1,
,} ,
李林枝 ^2, ,
王淑会 ^1,

1.
1 河南科技学院, 化学化工学院, 新乡 453003;
2.
2 吕梁学院, 化学化工系, 吕梁 033001

通讯作者: 李芸玲 liyl271@126.com

基金项目:
河南科技学院2010年度科研启动经费(No.21001061003) (No.21001061003)

2014年新乡市重点科技攻关项目(No.ZG14028)资助项目。 (No.ZG14028)

摘要: 以CoCl₂、Na₂O₃为原料, 以油酸钠(SOA)为表面活性剂, 采用水热-热分解法合成了纯相尖晶石结构的Co₃O₄粉体。利用TG-DTA、XRD和SEM等手段跟踪反应过程, 研究了不同水热时间对产物形貌和结构的影响, 并根据实验结果分析了可能的反应机理及结构对光催化性能的影响。实验结果表明：制备前驱体的水热时间是影响产物形貌的关键因素, 并且终产物的结构形貌很大程度上决定了其光催化性能。

关键词:

水热法;热分解;Co₃O₄;反应机理;光催化

English

Effect of Pretreatment Time on Morphology and Photocatalytic Performance of Co₃O₄

1.
1 College of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China;
2.
2 Department of Chemistry and Chemical Engineering, Lüliang University, Lüliang, Shanxi 033001, China

Corresponding author: 李芸玲 liyl271@126.com

Received Date: 20 August 2014
Fund Project:
河南科技学院2010年度科研启动经费(No.21001061003)

2014年新乡市重点科技攻关项目(No.ZG14028)资助项目。

Abstract: Pure spinel Co₃O₄ powders with different morphologies were synthesized by hydrothermal-pyrolysis methods using cobalt chloride (CoCl₂) and sodium carbonate (Na₂O₃) as the raw materials and sodium oleate (SOA) as the surfactant. The reaction process was followed by TG-DTA, XRD and SEM. The effect of hydrothermal time on the structure, the state of the products and the influence of structure on the photocatalytic performance were studied. The reaction mechanism was suggested. The results indicate that the hydrothermal time is the key to the morphology of the product. The catalytic performance is mainly related to the morphology of the final products.

Key words:

hydrothermal methods;thermal decomposition;Co₃O₄;reaction mechanisms;photocatalysis

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

前处理时间对Co₃O₄形貌及光催化性能的影响

通讯作者: 李芸玲 liyl271@126.com

English

Effect of Pretreatment Time on Morphology and Photocatalytic Performance of Co₃O₄

Corresponding author: 李芸玲 liyl271@126.com

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CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

前处理时间对Co3O4形貌及光催化性能的影响

通讯作者: 李芸玲 liyl271@126.com

English

Effect of Pretreatment Time on Morphology and Photocatalytic Performance of Co3O4

Corresponding author: 李芸玲 liyl271@126.com

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

前处理时间对Co₃O₄形貌及光催化性能的影响

Effect of Pretreatment Time on Morphology and Photocatalytic Performance of Co₃O₄

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