Exploiting Two‐Dimensional Bi2O2Se for Trace Oxygen Detection

We exploit a high‐performing resistive‐type trace oxygen sensor based on 2D high‐mobility semiconducting Bi2O2Se nanoplates. Scanning tunneling microscopy combined with first‐principle calculations confirms an amorphous Se atomic layer formed on the surface of 2D Bi2O2Se exposed to oxygen, which con...

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Veröffentlicht in:	Angewandte Chemie International Edition 2020-10, Vol.59 (41), p.17938-17943
Hauptverfasser:	Xu, Shipu, Fu, Huixia, Tian, Ye, Deng, Tao, Cai, Jun, Wu, Jinxiong, Tu, Teng, Li, Tianran, Tan, Congwei, Liang, Yan, Zhang, Congcong, Liu, Zhi, Liu, Zhongkai, Chen, Yulin, Jiang, Ying, Yan, Binghai, Peng, Hailin
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption amorphous layers Bi2O2Se Carrier density integration Mobility Oxygen Oxygen probes oxygen sensors Room temperature Scanning tunneling microscopy Sensors Surface chemistry two-dimensional materials
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