无机化学学报
無機化學學報
무궤화학학보
JOURNAL OF INORGANIC CHEMISTRY
2009年
12期
2163-2168
,共6页
姚祖福%黄可龙%于金刚%郭军%李艳华%方东
姚祖福%黃可龍%于金剛%郭軍%李豔華%方東
요조복%황가룡%우금강%곽군%리염화%방동
金%氧化硅%核壳纳米粒子%光学性质%3-巯基丙基三甲氧基硅烷
金%氧化硅%覈殼納米粒子%光學性質%3-巰基丙基三甲氧基硅烷
금%양화규%핵각납미입자%광학성질%3-구기병기삼갑양기규완
gold%silicon oxide%core.shell nanoparticle%optical properties%3-mereaptopropyltrimethoxysflane
采用3-巯基丙基三甲氧基硅烷作为联结剂,成功将单个金纳米粒子包在氧化硅壳中,制得Au@SiO_2核壳纳米粒子;该复合纳米粒子形貌呈球形、单分散性较好,金纳米粒子位于氧化硅球的中心.无团聚的金纳米粒子包覆在氧化硅壳中.采用透射电镜(TEM)对样品的形貌进行了表征,通过能量散射X-射线能谱(EDX)分析了目标物的化学成分,并对所得核壳纳米粒子的光谱性质进行了研究.
採用3-巰基丙基三甲氧基硅烷作為聯結劑,成功將單箇金納米粒子包在氧化硅殼中,製得Au@SiO_2覈殼納米粒子;該複閤納米粒子形貌呈毬形、單分散性較好,金納米粒子位于氧化硅毬的中心.無糰聚的金納米粒子包覆在氧化硅殼中.採用透射電鏡(TEM)對樣品的形貌進行瞭錶徵,通過能量散射X-射線能譜(EDX)分析瞭目標物的化學成分,併對所得覈殼納米粒子的光譜性質進行瞭研究.
채용3-구기병기삼갑양기규완작위련결제,성공장단개금납미입자포재양화규각중,제득Au@SiO_2핵각납미입자;해복합납미입자형모정구형、단분산성교호,금납미입자위우양화규구적중심.무단취적금납미입자포복재양화규각중.채용투사전경(TEM)대양품적형모진행료표정,통과능량산사X-사선능보(EDX)분석료목표물적화학성분,병대소득핵각납미입자적광보성질진행료연구.
Using 3-mercaptopropyhrimethoxysilane as linker,single gold nanoparticle was successfully encapsulated by silicon oxide shell,and Au@SiO_2 core-sheU nanoparticles were prepared.The nanocomposites were spherical and monodispersal.The gold nanoparticle located at the center of silica nano-sphere.No congregating gold nanoparticles were embedded in one silica sphere.The morphologies of the samples were characterized by transmission electron microscopy(TEM).The chemical contents of the samples were analyzed using energy diffraction X-ray(EDX)spectroscopy.And their optical properties were studied.