井冈山大学学报(自然科学版)
井岡山大學學報(自然科學版)
정강산대학학보(자연과학판)
JOURNAL OF JINGGANGSHAN UNIVERSITY(SCIENCE AND TECHNOLOGY)
2015年
3期
80-83,102
,共5页
陆子飚%陶锋%阮东城%王志俊%孙宇峰
陸子飚%陶鋒%阮東城%王誌俊%孫宇峰
륙자표%도봉%원동성%왕지준%손우봉
NaSmF4%纳米棒%水热合成%发光性能
NaSmF4%納米棒%水熱閤成%髮光性能
NaSmF4%납미봉%수열합성%발광성능
NaSmF4%nanorods%hydrothermal synthesis%luminescence properties
采用EDTA辅助水热法,在较低的温度下合成了形貌规则的六方相NaSmF4纳米棒。分别采用X射线衍射(XRD)、场发射扫描电镜(FESEM)、高分辨透射电子显微镜(TEM)、选区电子衍射(SAED)、稳态荧光光谱仪等对合成的样品的结构、形貌和发射光谱进行表征。XRD 分析表明产物为纯净的六方相结构;FESEM 和 TEM 分析表明产物形貌为单一的、均匀的六棱柱纳米棒,端面直径约为80 nm、长度约为500 nm;分析了NaSmF4纳米棒可能的生长机理;研究了发射光谱(λex=400 nm)分析表明其在560 nm,593 nm,640 nm和703 nm处存在较强的发光峰,其中最强峰为593 nm处。
採用EDTA輔助水熱法,在較低的溫度下閤成瞭形貌規則的六方相NaSmF4納米棒。分彆採用X射線衍射(XRD)、場髮射掃描電鏡(FESEM)、高分辨透射電子顯微鏡(TEM)、選區電子衍射(SAED)、穩態熒光光譜儀等對閤成的樣品的結構、形貌和髮射光譜進行錶徵。XRD 分析錶明產物為純淨的六方相結構;FESEM 和 TEM 分析錶明產物形貌為單一的、均勻的六稜柱納米棒,耑麵直徑約為80 nm、長度約為500 nm;分析瞭NaSmF4納米棒可能的生長機理;研究瞭髮射光譜(λex=400 nm)分析錶明其在560 nm,593 nm,640 nm和703 nm處存在較彊的髮光峰,其中最彊峰為593 nm處。
채용EDTA보조수열법,재교저적온도하합성료형모규칙적륙방상NaSmF4납미봉。분별채용X사선연사(XRD)、장발사소묘전경(FESEM)、고분변투사전자현미경(TEM)、선구전자연사(SAED)、은태형광광보의등대합성적양품적결구、형모화발사광보진행표정。XRD 분석표명산물위순정적륙방상결구;FESEM 화 TEM 분석표명산물형모위단일적、균균적륙릉주납미봉,단면직경약위80 nm、장도약위500 nm;분석료NaSmF4납미봉가능적생장궤리;연구료발사광보(λex=400 nm)분석표명기재560 nm,593 nm,640 nm화703 nm처존재교강적발광봉,기중최강봉위593 nm처。
Hexagonal NaSmF4nanorods were successfully synthesized by a mild hydrothermal method assisted by EDTA. X-ray diffraction (XRD), field emission scanning microscopy (FE-SEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM) and selected area electron diffraction(SAED) have been used to study the phase, morphologies, and crystal structure. The XRD analysis showed that the product was pure hexagonal structure. The FESEM and TEM showed that the morphology of the products were single, uniform hexagonal prism nanorods, the diameter of end face about 80nm and the average length of nanorods about 500nm. The possible growth mechanism NaSmF4 was analyzed. The emission spectra (λex = 400 nm) showed that the 560 nm, 593 nm, 640 nm and 703 nm at the presence of strong emission peak, where the strongest peak at 593 nm.