Self-assembled sugar-based copper nanoparticles as trimethylamine sensor

被引：8

作者：

Sarvepalli, Guru Prasanth ^{[2
]}

Subbiah, Dinesh Kumar ^{[1
,2
]}

Lalitha, Krishnamoorthy ^{[3
]}

Nagarajan, Subbiah ^{[3
,4
]}

Rayappan, John Bosco Balaguru ^{[1
,2
]}

机构：

[1] SASTRA Deemed Univ, Centre Nanotechnol & Adv Biomaterials, CeNTAB, Thanjavur 613 401, Tamil Nadu, India

[2] SASTRA Deemed Univ, Sch Elect & Elect Engn, SEEE, Thanjavur 613 401, Tamil Nadu, India

[3] SASTRA Deemed Univ, Sch Chem,Dept Chem,Biotechnol,SCBT, Thanjavur 613 401, Tamil Nadu, India

[4] Natl Inst Technol Warangal, Dept Chem, Warangal 506 004, Telangana, India

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2020年 / 31卷 / 02期

关键词：

SENSING PROPERTIES; THIN-FILM; MOO3; NANOBELTS; GAS SENSOR; N-OXIDE; SENSITIVITY; AMMONIA;

D O I：

10.1007/s10854-019-02676-0

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Rapid detection and monitoring of trimethylamine (TMA) in a real-time environment is of great significance in the context of pollution monitoring, food quality assessment, and safety. In this work, self-assembled sugar-based copper nanoparticles (Glu-CuNPs) were synthesized by treating copper acetate with organogel, which was obtained by the self-assembly of sugar-based amphiphile in dichlorobenzene. Structural, morphological, electrical, and sensing properties of Glu-CuNPs were analyzed using H-1- and C-13-nuclear magnetic resonance (NMR), field-emission scanning electron microscope (FE-SEM), electrospray ionization mass spectroscopy (ESI-MS), X-ray diffraction (XRD), field-emission tunneling electron microscope (FE-TEM), Fourier transform infrared (FTIR), and Home-made sensing chamber integrated with Keithley electrometer. At room temperature, Glu-CuNPs compound displayed better selectivity towards 100 ppm of TMA with a fast response of 28 and recovery time of 317 and 254 s, respectively. The developed sensor showed a detection range of 1-500 ppm at room temperature.

引用

页码：1594 / 1603

页数：10

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