Enhanced Acetone Sensing Based on Group-11 Metal (Cu, Ag, and Au) Nanoparticles Embedded in Graphitic Carbon Nitride (gCN)

被引:0
|
作者
Nihal [1 ,2 ]
Sharma, Rahul [1 ,2 ]
Kaur, Navjot [3 ]
Sharma, Mamta [1 ]
Choudhary, B. C. [3 ]
Goswamy, J. K. [1 ]
机构
[1] Panjab Univ, Dept Appl Sci, UIET, Chandigarh 160014, India
[2] Panjab Univ, Ctr Nanosci & Nanotechnol, Chandigarh 160014, India
[3] NITTTR, Dept Appl Sci, Chandigarh 160019, India
关键词
acetone; gCN; sensing; transition metals; VOCs; PHOTOCATALYSIS; NANOCOMPOSITES; TEMPERATURE; POLYMERS; ETHANOL; ZNO; NI;
D O I
10.3390/atoms11050078
中图分类号
O64 [物理化学(理论化学)、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号
070203 ; 070304 ; 081704 ; 1406 ;
摘要
In this work, a group-11 metal nanoparticle-embedded, graphitic carbon nitride-based, resistive-type sensor was developed for room temperature acetone sensing. We synthesized pure and group-11 transition metal (Cu, Ag and Au) nanoparticles embedded in graphitic carbon nitride (gCN) by thermal polycondensation and chemical reduction methods. The synthesized material was characterized using UV/visspectroscopy, FTIRspectroscopy, XRD, HRTEM, FESEM, and EDS techniques. Sensing properties such as response, response/recovery time, selectivity, and stability were calculated. This study confirms that Ag/gCN is the best material for room temperature sensing of acetone compared to Cu/gCN, Au/gCN, and pure gCN. The response of Ag/gCN for 20 ppm acetone at room temperature is 28%. The response/recovery time is 42.05/37.09 s. Moreover, the response of Ag/gCN is stable for 10 days.
引用
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页数:12
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