ZnO-Au@ZIF-8 core-shell nanorod arrays for ppb-level NO2 detection

被引：4

作者：

Sun, Mingqi ^{[1
]}

Wang, Mingyuan ^{[2
]}

Ni, Xin ^{[3
]}

Liu, Guiwu ^{[1
]}

Qiao, Guanjun ^{[1
]}

Lei, Shuangying ^{[2
]}

Wang, Mingsong ^{[1
]}

Bai, Ling ^{[1
]}

机构：

[1] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China

[2] Southeast Univ, SEU FEI Nanop Ctr, Sch Elect Sci & Engn, Key Lab MEMS,Minist Educ, Nanjing 210096, Jiangsu, Peoples R China

[3] Jiangsu Univ, Dept Gastroenterol, Affiliated Hosp, Zhenjiang 212013, Jiangsu, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2024年 / 60卷 / 16期

关键词：

NANOPARTICLES; SNO2;

D O I：

10.1039/d3cc06218j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

ZnO-Au@ZIF-8 core-shell heterostructures were prepared by ZIF-8 encapsulation of sacrificial ZnO-Au nanorods. Because of the catalytic activity of the Au nanoparticles and the sieving effects of the ZIF-8, the ZnO-Au@ZIF-8 heterostructures showed an outstanding response of 1.8 to 5 ppb NO2, and exhibited higher selectivity, stability, anti-humidity and fast response and recovery properties. The combination of the gas-selective catalytic activity of noble metals with the MOF filter used in this work can be easily extended to synthesize other types of MOS@MOF sensors, opening a new avenue for the detection of hazardous gases.

引用

页码：2180 / 2183

页数：4

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