CuO/Cu2(OH)2CO3梭型中空颗粒的制备及其气敏性能

引用本文: 齐晓娇, 王骞, 高海燕, 赵永男, 李国栋. CuO/Cu₂(OH)₂CO₃梭型中空颗粒的制备及其气敏性能[J]. 无机化学学报, 2015, (5): 1010-1018. doi: 10.11862/CJIC.2015.129 shu

Citation: QI Xiao-Jiao, WANG Qian, GAO Hai-Yan, LI Guo-Dong. Hollow Spindle-Shaped CuO/Cu₂(OH)₂CO₃ Nanocomposites: Synthesis and Gas Sensing Property[J]. Chinese Journal of Inorganic Chemistry, 2015, (5): 1010-1018. doi: 10.11862/CJIC.2015.129 shu

CuO/Cu₂(OH)₂CO₃梭型中空颗粒的制备及其气敏性能

齐晓娇 ^1, ,
王骞 ^1, ,
高海燕 ^1, ,
赵永男 ^{1,
,} ,
李国栋 ^2,

1.
1 天津工业大学材料学院, 天津市改性与功能纤维重点实验室, 天津 300387;
2.
2 吉林大学化学院无机合成与制备国家重点实验室, 长春 130012

通讯作者: 赵永男 zhaoyn@263.net

基金项目:
国家自然科学基金(No.21271138,21371070,21071060) (No.21271138,21371070,21071060)

天津自然科学基金(No.14JCYBJC17500,14JCQNJC02500) (No.14JCYBJC17500,14JCQNJC02500)

吉林大学无机合成与制备化学国家重点实验室开放课题(No.2015-02) (No.2015-02)

国家大学生创新创业计划项目(201410058003)资助。 (201410058003)

摘要: 以Cu₂(OH)₃NO₃为前驱体,采用无模板溶剂热法成功合成了大小为1~2μm的CuO/Cu₂(OH)₂CO₃中空梭型微粒。高倍电镜显示其外壳层由高度弥散的CuO和Cu₂(OH)₂CO₃纳米颗粒组成。通过控制反应时间证明了该中空梭型粒子的形成过程是由自组装和奥斯特瓦尔德熟化过程控制。该纳米材料的特殊结构使其对乙醇、丙酮等有机气体有良好的气敏性能。

关键词:

中空粒子;溶剂热合成;CuO;Cu₂(OH)₂CO₃;气体传感器

English

Hollow Spindle-Shaped CuO/Cu₂(OH)₂CO₃ Nanocomposites: Synthesis and Gas Sensing Property

1.
1 Tianjin Key Laboratory of Fiber Modification and Functional Fiber, School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin, 300387, China;
2.
2 State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China

Corresponding author: 赵永男 zhaoyn@263.net

Received Date: 26 November 2014
Fund Project:
国家自然科学基金(No.21271138,21371070,21071060)

天津自然科学基金(No.14JCYBJC17500,14JCQNJC02500)

吉林大学无机合成与制备化学国家重点实验室开放课题(No.2015-02)

国家大学生创新创业计划项目(201410058003)资助。

Abstract: Hollow spindle-shaped CuO/Cu₂(OH)₂CO₃ composites were fabricated via a templateless hydrothermal route with Cu₂(OH)₃NO₃ as the precursor. XRD measurements and TEM observations reveal that the as-prepared CuO/Cu₂(OH)₂CO₃ is hollow spindle-shaped with size of 1~2 μm. HRTEM image indicates that the shell of each particle is highly dispersive mixtures of nanoscale CuO and Cu₂(OH)₂CO₃. Time dependent experiments disclose that the formation of hollow spindle-shaped CuO/Cu₂(OH)₂CO₃ composites particles is driven by self-transformation and Ostwald ripening. The gas sensing performances were investigated with ethanol and acetone as the target gases. The as-prepared hollow CuO/Cu₂(OH)₂CO₃ composites exhibit improved gas sensing properties in comparison with the commercial CuO powders, which can be ascribed to the decreased grain-to-grain contacts of the highly dispersive mixtures.

Key words:

hollow particles;solvothermal synthesis;CuO;Cu₂(OH)₂CO₃;gas sensor

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沈阳化工大学材料科学与工程学院沈阳 110142

CuO/Cu₂(OH)₂CO₃梭型中空颗粒的制备及其气敏性能

通讯作者: 赵永男 zhaoyn@263.net

English

Hollow Spindle-Shaped CuO/Cu₂(OH)₂CO₃ Nanocomposites: Synthesis and Gas Sensing Property

Corresponding author: 赵永男 zhaoyn@263.net

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