Al doped narcissus-like ZnO for enhanced NO2 sensing performance: An experimental and DFT investigation

• Published in: Sensors and actuators. B, Chemical Vol. 305; p. 127489
• Main Authors: Zhang, Yong-Hui, Li, Yu-Liang, Gong, Fei-Long, Xie, Ke-Fei, Liu, Min, Zhang, Hao-Li, Fang, Shao-Ming
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 15.02.2020; Elsevier Science Ltd
• Subjects: Al doped; Density functional theory; Detection; DFT; Electronic structure; Gas sensors; Nanocrystals; Nanostructure; Narcissus-like ZnO; Nitrogen dioxide; NO2 gas sensor; Operating temperature; Recovery time; Self-assembly; Structural hierarchy; Zinc oxide; Narcissus-like ZnO; Al doped; DFT; NO2 gas sensor

•The gas sensing performance of the composite was effectively tuned by controlling the amount Al species.•The composite exhibits excellent gas sensing property and long-life stability.•The DFT calculation reveals that the adsorption energy of NO2 on AZO-2 was enhanced obviously compared to pure ZnO....