内蒙古师范大学学报(自然科学汉文版)
內矇古師範大學學報(自然科學漢文版)
내몽고사범대학학보(자연과학한문판)
JOURNAL OF INNER MONGOLIA NORMAL UNIVERSITY(NATURAL SCIENCE EDITION)
2014年
5期
578-583
,共6页
溶胶凝胶法%沉淀法%ZnO1-x Sx-2TiO2-SiO2:Eu3+%发光材料
溶膠凝膠法%沉澱法%ZnO1-x Sx-2TiO2-SiO2:Eu3+%髮光材料
용효응효법%침정법%ZnO1-x Sx-2TiO2-SiO2:Eu3+%발광재료
sol-gel method%precipitation method%ZnO 1 -x Sx-2TiO 2-SiO 2:Eu3 +%luminescent materials
采用溶胶凝胶法与沉淀法,制备了 Eu3+:ZnO 1-x Sx-2TiO 2-SiO 2发光材料,通过 DTA-TG、IR、Raman、XRD、激发和发射光谱研究了材料的结构和发光性能.结果表明,样品在600℃退火处理后,体系基本达到稳定状态,主要以 TiO 2、ZnS 的晶态形式存在;存在 Ti-O-Ti、Si-O-Si、Ti-O-Si,Zn-S 键,且Si-O-Si三维网络结构被破坏,这种结构的变化有利于 Eu3+的掺杂和发光.激发和发射光谱测试表明,最佳激发波长为可见光465 nm,最佳退火温度为600℃,Eu3+最佳掺杂量为6.0%.同时证明 Eu3+:ZnO 1-x Sx-2TiO 2-SiO 2材料的发光性能比 Eu3+:ZnO-2TiO 2-SiO 2的好,说明体系中硫的引入改善了材料的发光性能.
採用溶膠凝膠法與沉澱法,製備瞭 Eu3+:ZnO 1-x Sx-2TiO 2-SiO 2髮光材料,通過 DTA-TG、IR、Raman、XRD、激髮和髮射光譜研究瞭材料的結構和髮光性能.結果錶明,樣品在600℃退火處理後,體繫基本達到穩定狀態,主要以 TiO 2、ZnS 的晶態形式存在;存在 Ti-O-Ti、Si-O-Si、Ti-O-Si,Zn-S 鍵,且Si-O-Si三維網絡結構被破壞,這種結構的變化有利于 Eu3+的摻雜和髮光.激髮和髮射光譜測試錶明,最佳激髮波長為可見光465 nm,最佳退火溫度為600℃,Eu3+最佳摻雜量為6.0%.同時證明 Eu3+:ZnO 1-x Sx-2TiO 2-SiO 2材料的髮光性能比 Eu3+:ZnO-2TiO 2-SiO 2的好,說明體繫中硫的引入改善瞭材料的髮光性能.
채용용효응효법여침정법,제비료 Eu3+:ZnO 1-x Sx-2TiO 2-SiO 2발광재료,통과 DTA-TG、IR、Raman、XRD、격발화발사광보연구료재료적결구화발광성능.결과표명,양품재600℃퇴화처리후,체계기본체도은정상태,주요이 TiO 2、ZnS 적정태형식존재;존재 Ti-O-Ti、Si-O-Si、Ti-O-Si,Zn-S 건,차Si-O-Si삼유망락결구피파배,저충결구적변화유리우 Eu3+적참잡화발광.격발화발사광보측시표명,최가격발파장위가견광465 nm,최가퇴화온도위600℃,Eu3+최가참잡량위6.0%.동시증명 Eu3+:ZnO 1-x Sx-2TiO 2-SiO 2재료적발광성능비 Eu3+:ZnO-2TiO 2-SiO 2적호,설명체계중류적인입개선료재료적발광성능.
Eu3 + doped ZnO 1 -x Sx-2TiO 2-SiO 2 luminescent materials were synthesized by sol-gel method and precipitation method.The crystal structure and the luminescent properties of the samples were measured and characterized by using the method of DTA-TG,IR,Raman,XRD and excitation and emission spectra,respectively.The results show that the samples change into a stable structure when the tempera-ture is above 600 ℃.The crystal materials are composed of TiO 2 and ZnS.The materials have formed the chemical bonds of Ti-O-Ti,Ti-O-Si and Si-O-Si.And the Si-O-Si three-dimensional network structure is destroyed.This structure has benefit for doping Eu3 + .The excitation and emission spectra show that the best excitation wavelength is 465 nm,the best annealing temperature is 600 ℃,the optimum Eu3 + concentration is 6%,and luminescent intensity of the ZnO 1 -x Sx-2TiO 2-SiO 2 :Eu3 + is more better than ZnO-2TiO 2-SiO 2 :Eu3 + .The results show that the emission intensity enhances with doping S.