| Title: | CsPbBr(3)-Based Nanostructures for Room-Temperature Sensing of Volatile Organic Compounds |
| Author(s): | Xu X; Wang S; Chen Y; Liu W; Wang X; Jiang H; Ma S; Yun P; |
| Address: | "Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China. Northwest University for Nationalities, Lanzhou, Gansu 730030, China" |
| Journal Title: | ACS Appl Mater Interfaces |
| ISSN/ISBN: | 1944-8252 (Electronic) 1944-8244 (Linking) |
| Abstract: | "All-inorganic halide perovskites, as a dominant member of the perovskite family, have been proven to be excellent semiconductors due to the great successes for solar cells, light-emitting diodes, photodetectors, and nanocrystal photocatalysts. Despite the remarkable advances in those fields, there are few research studies focusing on gas and humidity-sensing performances, especially for pure CsPbBr(3) and heterogeneous CsPbBr(3)@MoS(2) composites. Here, we first report a valuable CsPbBr(3) sensor prepared by electrospinning, and the excellent gas sensing performances are investigated. The CsPbBr(3) sensor can quickly and effectively detect ethanolamine at room temperature. The response time is only 16 s, and the response to 100 ppm ethanolamine is as high as 29.87, besides the excellent repeatability and good stability. The theoretical detection limit is estimated to be 21 ppb. Furthermore, considering the irreplaceable role of heterostructures in regulating the electronic structure and supporting rich reaction boundaries, we also actively explored the EA sensitivity of inorganic CsPbBr(3)-based heterogeneous composites CsPbBr(3)@MoS(2). At the same time, the roles of the critical capping agents OA and OAm are systematically investigated. This work demonstrates the great potential of all-inorganic halide perovskites in promising volatile organic compound detection" |
| Keywords: | CsPbBr3 electrospinning ethanolamine gas sensor room temperature volatile organic compounds (VOCs); |
| Notes: | "PubMed-not-MEDLINEXu, Xiaoli Wang, Shengyi Chen, Yan Liu, Wangwang Wang, Xiaoping Jiang, Hongtao Ma, Shuyi Yun, Pengdou eng 2022/08/18 ACS Appl Mater Interfaces. 2022 Aug 31; 14(34):39524-39534. doi: 10.1021/acsami.2c09586. Epub 2022 Aug 17" |
