Figure 1. a) The recovered optical spectra of the oxidized 2D amorphous MoO3. b) Photographs of color changes for 2D amorphous MoO3 during the light irradiation-oxidization-reillumination process. c) UV-Vis-NIR absorption value (Light: the peak at 800 nm, light-off: the peak at 670 nm), and d) PL intensity (Emission peak: 505 nm) of 2D amorphous MoO3 over 10 switching cycles between light irradiation and light-off. e) Schematic diagram of the band structure evolution for 2D amorphous MoO3 during the light irradiation-oxidization process. f) Schematic illustration of the proposed electron transfer process of 2D amorphous MoO3 for reversible LSPR effect. Color code: Mo (blue), O (orange), H (green).
这项研究表明SC CO2技术制备的2D非晶MoO3具有可逆且可调谐的LSPR性质,为设计新型可转换光响应器件及光学传感器设计提供了新的材料和新的技术。这一成果近期发表在Advanced Optical Materials 期刊上。第一作者是郑州大学的博士生孔维倩,通讯作者是郑州大学许群教授。
原文(扫描或长按二维码,识别后直达原文页面):Sunlight Driven Reversible and Tunable Plasmon Resonance in 2D Amorphous Molybdenum OxideWeiqian Kong, Wei Liu, Xiaoli Zheng, Qun XuAdv. Optical Mater., 2023, DOI: 10.1002/adom.202301821 导师介绍许群https://www.x-mol.com/university/faculty/35064 点击“阅读原文”,查看 化学 • 材料 领域所有收录期刊