海南师范大学学报（自然科学版）2024，Vol.37Issue(3)：278-285,8.DOI:10.12051/j.issn.1674-4942.2024.03.002
简易溶剂热法制备氧化锗及其发光性能表征
Simple Solvothermal Preparation of Germanium Oxide Particles and Their Luminescent Characterizations
摘要
Abstract
In order to study the morphology evolution of germanium oxide particles under different conditions,α-quartz phase germanium oxide was used as the germanium source by simple solvothermal synthesis,and spindle and cubic micro-nano structures with regular morphology were prepared through those approaches by selecting ethylene glycol and citric ac-id as the water phase(heating at 180-220℃for 12-32 h),and PEG4000 as the oil phase,pure water with pH=1.0 as the water phase(heating at 140-180℃for 2-48 h).By scanning electron microscopy,raman spectroscopy and photolumines-cence spectroscopy characterization,it was revealed that size and morphology of the prepared germanium oxide micro-nano particles with an α-quartz phase structure had a significant impact on its raman vibration mode.The morphology evolution and the formation mechanism of the spindle-cube formed the BFDH-HP mechanism.Under the 532 nm excitation light source,the luminescence center of germanium oxide particles was observed at the range of 606～648 nm(orange-red),and the movement of the luminescence center can be ascribe to surface defects of germanium oxide.关键词
氧化锗/纳米颗粒/发光性能/溶剂热法/形貌演变Key words
germanium oxide/nanoparticles/luminescent/solvothermal method/morphology evolution分类
数理科学引用本文复制引用
阮志林,林彩宗,刘思胤,胡学萍,赵世华,邹旭..简易溶剂热法制备氧化锗及其发光性能表征[J].海南师范大学学报（自然科学版）,2024,37(3):278-285,8.基金项目
海南省院士创新平台科研项目(YSPTZX202207) （YSPTZX202207）
