Chemo-resistive Gas Sensors based on PbS Colloidal Quantum Dots

被引：0
|
作者：
Maiolo, L. [1 ]
Bruno, S. A. [2 ]
Lucarini, I. [1 ]
Pecora, A. [1 ]
De Iacovo, A. [2 ]
Colace, L. [2 ]
机构：
[1] CNR, IMM, Rome, Italy
[2] Univ Roma Tre, Dept Engn, Nonlinear Opt & Optoelect Lab, Rome, Italy
来源：
2018 IEEE SENSORS | 2018年
关键词：
PbS colloidal quantum dots; gas sensor; chemo-resistive;
D O I：
暂无
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：
In this paper, we investigate the sensitivity and selectivity of lead sulphide colloidal quantum dots (CQDs) gas sensor. The benefits of CQDs, compared to commercial bulk sensor gas, are a large surface/ volume ratio, a lower operating temperature, an easy deposition process and a precise control of dimensions to increase sensor sensitivity. The sensor is based on a chemo-resistive device with an active layer composed by PbS CQDs deposited on interdigitated metal contacts with a ligand exchange treatment. The sensor performance are validated on different gas pollutants (NO2, NO, CO2 and CO) for increasing gas concentrations and times. The sensor shows high selectivity towards NO and NO2 against CO and CO2 at room temperature.
引用
收藏
页码：52 / 55
页数：4
相关论文
共 50 条
  • [1] Breath analysis by nanostructured metal oxides as chemo-resistive gas sensors
    Righettoni, Marco
    Amann, Anton
    Pratsinis, Sotiris E.
    [J]. MATERIALS TODAY, 2015, 18 (03) : 163 - 171
  • [2] Resistive-Based Gas Sensors Using Quantum Dots: A Review
    Mirzaei, Ali
    Kordrostami, Zoheir
    Shahbaz, Mehrdad
    Kim, Jin-Young
    Kim, Hyoun Woo
    Kim, Sang Sub
    [J]. SENSORS, 2022, 22 (12)
  • [3] Multispectral Photodetectors Based on PbS Colloidal Quantum Dots
    Venettacci, Carlo
    De Iacovo, Andrea
    Giansante, Carlo
    Colace, Lorenzo
    [J]. 2019 PHOTONICS & ELECTROMAGNETICS RESEARCH SYMPOSIUM - SPRING (PIERS-SPRING), 2019, : 3044 - 3050
  • [4] A Review on Metal Oxide Semiconductor-Based Chemo-Resistive Ethylene Sensors for Agricultural Applications
    Hu, Kongcan
    Cai, Yahan
    Wang, Ziru
    Zhang, Zhengwei
    Xian, Jieyu
    Zhang, Cheng
    Rodrigues, Joana
    Santos, Nuno
    [J]. CHEMOSENSORS, 2024, 12 (01)
  • [5] EVALUATION OF INKJET PRINTED HEATERS ARRAY FOR CHEMO-RESISTIVE GAS SENSOR
    Povolny, Vojtech
    Laposa, Alexandr
    Kroutil, Jiri
    Voves, Jan
    Ashcheulov, Petr
    Hazdra, Pavel
    [J]. 15TH INTERNATIONAL CONFERENCE ON NANOMATERIALS-RESEARCH & APPLICATION, NANOCON 2023, 2024, : 52 - 57
  • [6] Ultrasmall colloidal PbS quantum dots
    Reilly, Nick
    Wehrung, Michael
    O'Dell, Ryan Andrew
    Sun, Liangfeng
    [J]. MATERIALS CHEMISTRY AND PHYSICS, 2014, 147 (1-2) : 1 - 4
  • [7] Resistive Switching Memory Devices Based on PbS Quantum Dots
    Chen, Zhiliang
    Zhang, Yating
    Yu, Yu
    Jin, Lufan
    Li, Yifan
    Yao, Jianquan
    [J]. OPTOELECTRONIC DEVICES AND INTEGRATION VIII, 2019, 11184
  • [8] On the relationship between the grain size and gas-sensitivity of chemo-resistive metal-oxide gas sensors with nanosized grains
    Rothschild, A
    Komem, Y
    [J]. JOURNAL OF ELECTROCERAMICS, 2004, 13 (1-3) : 697 - 701
  • [9] Near infrared photodetectors based on PbS colloidal quantum dots
    De Iacovo, A.
    Colace, L.
    Scopa, L.
    Foglia, S.
    [J]. OPTICAL SENSING AND DETECTION IV, 2016, 9899
  • [10] On the Relationship Between the Grain Size and Gas-Sensitivity of Chemo-Resistive Metal-Oxide Gas Sensors with Nanosized Grains
    Avner Rothschild
    Yigal Komem
    [J]. Journal of Electroceramics, 2004, 13 : 697 - 701
12345