Template-free synthesis of a wafer-sized polyaniline nanoscale film with high electrical conductivity for trace ammonia gas sensing
Chonghui Zhu, Xin Dong, Chuanyu Guo, Li-Hua Huo, Shan Gao, Zhikun Zheng, Xiaoli Cheng, Yingming Xu
Abstract
We synthesized a large area ordered and conductive PANI film at the air–water interface. It can be used to prepare a flexible sensor for trace NH 3 detection and discoloration test paper for NH 3 detection to monitor the freshness of shrimp.
Topics & Concepts
PolyanilineMaterials scienceWaferAmmonia gasNanotechnologyElectrical conductorNanoscopic scaleAmmoniaTRACE (psycholinguistics)ConductivityElectrical resistivity and conductivityTrace gasParts-per notationChemical engineeringOptoelectronicsChemistryComposite materialPolymerizationElectrical engineeringPolymerOrganic chemistryPhilosophyEngineeringPhysical chemistryLinguisticsConducting polymers and applicationsGas Sensing Nanomaterials and SensorsAnalytical Chemistry and Sensors