Pd-modified SmFeO_(3)with hollow tubular structure under light shows extremely high acetone gas sensitivity

作     者：Heng Zhang Jing Xiao Jun Chen Lian Zhang Yi Zhang Xiang-Lin Pei Heng Zhang;Jing Xiao;Jun Chen;Lian Zhang;Yi Zhang;Xiang-Lin Pei

作者机构：College of Physics and Electronic EngineeringTaishan UniversityTaian271000China School of Materials and Architectural EngineeringGuizhou Normal UniversityGuiyang550025China 

出 版 物：《Rare Metals》 (稀有金属（英文版）)

年 卷 期：2023年第42卷第2期

页      面：545-557页

核心收录：

学科分类：1001[医学-基础医学(可授医学、理学学位)] 07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 10[医学] 0702[理学-物理学] 

基　　金：financially supported by Shandong Natural Science Foundation(No.ZR2021QE265) the Fundamental Research Funds of Taishan University(No.Y01-2020015) the National Natural Science Foundation of China(Nos.61574098,61204051) Shandong Province Key Research and Development Program(No.2019GGX101016) 

主　　题：Pd-SmFeO_(3) Gas sensor Acetone gas Light illumination Diabetes 

摘      要：Currently,SmFeO_(3)-based sensors are an effective platform for detecting acetone ***,they require high operating temperatures,which increases energy consumption and safety hazards,and their response is low when the gas concentration is at 10^(-9)(PPB),which cannot meet the requirements of using exhaled breath to pre-diagnose ***,Pd-SmFeO_(3)hollow nanotubes with an extremely high specific surface area and porosity were synthesized by *** Pd doping,the specific surface area improved by more than two times,and the acetone response improved by more than three *** addition,the response further improved by more than 1.5 times,and the optimum operating temperature reduced by 100℃under light ***,the relative humidity adaptability,long-term stability,and selectivity of the material were significantly improved after Pd doping or light ***,the acetone concentration in a person’s exhaled breath was detected by a Pd-SmFeO_(3)-based gas sensor,and the error was less than 10%compared to that obtained by gas chromatography-mass spectrometry method.