文献类型：期刊文献

英文题名：Synthesis and luminescence properties of Ca3(BO3)2:Eu3+ via two-step method

作者：Huang, Hongsheng Feng, Xiaoqin Chen, Tianbao Xiong, Ying Zhang, Feng

第一作者：黄宏升

机构：[1] School of Chemical Engineering, Guizhou Institute of Technology, Guiyang, China

第一机构：贵州理工学院化学工程学院

通信机构：School of Chemical Engineering, Guizhou Institute of Technology, Guiyang, China|贵州理工学院化学工程学院;贵州理工学院;

年份：2018

卷号：33

期号：4

起止页码：692-697

外文期刊名：Luminescence

收录：EI(收录号：20231713972177);Scopus(收录号：2-s2.0-85042582998)

语种：英文

外文关键词：Differential thermal analysis - Energy dispersive spectroscopy - Hydrothermal synthesis - Nanobelts - Scanning electron microscopy - Thermogravimetric analysis

摘要：Novel Ca2B2O5·H2O:Eu3+ nanotubes, constructed with nanobelts, were prepared using a hydrothermal method. The Ca3(BO3)2:Eu3+ nanobelts with a thickness of about 100?nm were made for the first time using a two-step hydrothermal process with Ca2B2O5·H2O:Eu3+ as the precursor. The samples were characterized by energy dispersive X-ray spectroscopy, X-ray diffraction, Fourier transform infra-red spectroscopy, thermogravimetry differential thermal analysis and scanning electron microscopy. The relationship between Ca3(BO3)2:Eu3+ and Ca2B2O5·H2O:Eu3+ was also studied. Possible reaction and growth mechanisms for Ca2B2O5·H2O:Eu3+ and Ca3(BO3)2:Eu3+ were proposed. Ca3(BO3)2:Eu3+ preserved the basic microstructure unit of Ca2B2O5·H2O:Eu3+. Both Ca2B2O5·H2O:Eu3+ and Ca3(BO3)2:Eu3+ exhibited red emissions centred at 614?nm, but the maximum excitation peaks for Ca2B2O5·H2O:Eu3+ and Ca3(BO3)2:Eu3+ differed. Ca3(BO3)2:Eu3+ exhibited higher photoluminescence intensity but a lower R/O value than Ca2B2O5·H2O:Eu3+. Copyright ? 2018 John Wiley & Sons, Ltd.