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
收藏
页码：1594 / 1603
页数：10
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