Metal-organic framework derived Au@ZnO yolk-shell nanostructures and their highly sensitive detection of acetone

被引：27

作者：

Gu, Fubo ^{[1
]}

Chen, Huanhuan ^{[1
]}

Han, Dongmei ^{[1
]}

Wang, Zhihua ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

来源：

RSC ADVANCES | 2016年 / 6卷 / 35期

基金：

中国国家自然科学基金;

关键词：

FLOWER-LIKE; FACILE SYNTHESIS; SENSING PERFORMANCE; NANOPARTICLES; CARBON; OXIDE; NANOCRYSTALS; DEGRADATION; NANOSPHERES; ALPHA-FE2O3;

D O I：

10.1039/c6ra03034c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Au@ZnO yolk-shell nanostructures were synthesized by using Au@MOF-5 as a precursor. The morphological and structural properties of the products were characterized by XRD, SEM, TEM, TGA, XPS and UV-vis DRS. The morphology of the products could be tuned by the synthesis and calcination conditions. The acetone-sensing performance of the Au@ZnO yolk-shell nanostructures was investigated. The sensor based on Au@ZnO exhibited a high response (43 to 10 ppm acetone), low detection concentration of 50 ppb, excellent selectivity and short response/recovery time (15 s/12 s). The as-synthesized Au@ZnO has a promising application in acetone detection.

引用

页码：29727 / 29733

页数：7

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