Detection of NO2 Down to One ppb Using Ion-in-Conjugation-Inspired Polymer.
作者： Jin Zhou , Xue‐Feng Cheng , Bi‐Jun Gao , Chuang Yu , Jing‐Hui He
关键词:
摘要: Nitrogen dioxide (NO2 ) emission has severe impact on human health and the ecological environment effective monitoring of NO2 requires detection limit (limit detection) several parts-per-billion (ppb). All organic semiconductor-based sensors fail to reach such a level. In this work, using an ion-in-conjugation inspired-polymer (poly(3,3'-diaminobenzidine-squarine, noted as PDBS) sensory material, can be detected low 1 ppb, which is lowest among all reported sensors. addition, sensor high sensitivity, good reversibility, long-time stability with period longer than 120 d. Theoretical calculations reveal that PDBS offers unreacted amine zwitterionic groups, offer both H-bonding ion-dipole interaction . The moderate binding energies (≈0.6 eV) selectivity well reversibility. results demonstrate employed greatly improve sensitivity in gas by inducing attraction.
sci-hub.se 参考文章(74)
J. Brunet, M. Dubois, A. Pauly, L. Spinelle, A. Ndiaye, K. Guérin, C. Varenne, B. Lauron, An innovative gas sensor system designed from a sensitive organic semiconductor downstream a nanocarbonaceous chemical filter for the selective detection of NO2 in an environmental context Sensors and Actuators B-chemical. ,vol. 173, pp. 659- 667 ,(2012) , 10.1016/J.SNB.2012.07.082
Misbah Mirza, Jiawei Wang, Liang Wang, Jun He, Chao Jiang, Response enhancement mechanism of NO2 gas sensing in ultrathin pentacene field-effect transistors Organic Electronics. ,vol. 24, pp. 96- 100 ,(2015) , 10.1016/J.ORGEL.2015.05.022
Ilaria Fratoddi, Iole Venditti, Cesare Cametti, Maria Vittoria Russo, Chemiresistive polyaniline-based gas sensors: A mini review Sensors and Actuators B-chemical. ,vol. 220, pp. 534- 548 ,(2015) , 10.1016/J.SNB.2015.05.107
Shyamasree Gupta Chatterjee, Somenath Chatterjee, Ajoy K. Ray, Amit K. Chakraborty, Graphene–metal oxide nanohybrids for toxic gas sensor: A review Sensors and Actuators B-chemical. ,vol. 221, pp. 1170- 1181 ,(2015) , 10.1016/J.SNB.2015.07.070
Lei Li, Chunmei Zhang, Wei Chen, Fabrication of SnO2–SnO nanocomposites with p–n heterojunctions for the low-temperature sensing of NO2 gas Nanoscale. ,vol. 7, pp. 12133- 12142 ,(2015) , 10.1039/C5NR02334C
Pierrick Clément, Saša Korom, Claudia Struzzi, Enrique J. Parra, Carla Bittencourt, Pablo Ballester, Eduard Llobet, Deep Cavitand Self-Assembled on Au NPs-MWCNT as Highly Sensitive Benzene Sensing Interface Advanced Functional Materials. ,vol. 25, pp. 4011- 4020 ,(2015) , 10.1002/ADFM.201501234
Manoj Kumar Ram, et al., CO gas sensing from ultrathin nano-composite conducting polymer film Sensors and Actuators B-chemical. ,vol. 106, pp. 750- 757 ,(2005) , 10.1016/J.SNB.2004.09.027
Zhuo Chen, Ahmad Umar, Shiwei Wang, Yao Wang, Tong Tian, Ying Shang, Yuzun Fan, Qi Qi, Dongmei Xu, Lei Jiang, Supramolecular fabrication of multilevel graphene-based gas sensors with high NO2 sensibility Nanoscale. ,vol. 7, pp. 10259- 10266 ,(2015) , 10.1039/C5NR01770J
Adeel Afzal, Nicola Cioffi, Luigia Sabbatini, Luisa Torsi, None, NOx sensors based on semiconducting metal oxide nanostructures: Progress and perspectives Sensors and Actuators B-chemical. ,vol. 171, pp. 25- 42 ,(2012) , 10.1016/J.SNB.2012.05.026
K.G. Neoh, E.T. Kang, K.L. Tan, Structural dependence of polyanilines on reaction medium Synthetic Metals. ,vol. 40, pp. 341- 354 ,(1991) , 10.1016/0379-6779(91)92076-T