|
OALib Journal期刊
ISSN: 2333-9721
费用：99美元
|
|
|
|
tio2/fe2o3核--壳粒子的制备及光学性能
Keywords: 复合材料,单分散,准球形α--fe2o3
Abstract:
？钛酸四丁酯(tbot)水解产生的tio2沉积在单分散准球形α--fe2o3颗粒的表面,形成均匀、连续的核--壳结构.tio2壳层的厚度约为30nm.在500℃热处理后,tio2壳层从非晶态转变为锐钛矿结构.在光激发下,tio2/fe2o3核--壳粒子的电子从tio2价带跃迁到能量较低的α--fe2o3导带,在可见光区产生新的强吸收峰.光谱计算结果表明tio2价带与α--fe2o3导带的能量差为1.6ev.
| [1] | 3wanpeterhsu,rongchiyu,egonmatijevic,j.colloid.interf.sci.,156(1),56(1993)
|
| [2] | 4manuelocana,wanpeterhsu,egonmatijevic,langmuir,7,2911(1991)
|
| [3] | 5masahiroohmori,egonmatijevic,j.colloid.interf.sci.,150(2),594(1992)
|
| [4] | 6baraiken,egonmatijevic,j.colloid.interf.sci.,126(2),645(1988)
|
| [5] | 7ikramulhaq,egonmatijevic,j.colloid.interf.sci.,192(1),104(1997)
|
| [6] | 8ajaygarg,egonmatijevic,j.colloid.interf.sci.,126(1),243(1988)
|
| [7] | 13xintongzhang,yaancao,shihaikan,yongmeichen,juntang,haiyanjin,yubaibai,liangzhixiao,tiejinli,bofuli,thinsolidfilms,327-329,568(1998)
|
| [8] | 1frankcaruso,corinnaschuler,dirkgkurth,chem.mater.,11,3394(1999)
|
| [9] | 2a.quirantes,r.plaza,a.delgado,j.colloid.interf.sci.,189(2),236(1997)
|
| [10] | 9a.pujishima,t.n.rao,d.a.tryk,journalofphotochemistryandphotobiologyc:photochemistryreviews,1,1(2000)
|
| [11] | 10ulrikediebold,surfacesciencereport,48,53(2003)
|
| [12] | 11wangyanqin,chenghuming,majiming,actaphysico-chimicasinica,15(3),222(1999)(王艳芹,程虎民,马季铭,物理化学学报,15(3),222(1999))
|
| [13] | 12paolagherardi,egonmatijevic,j.colloid.interf.sci.,109(1),57(1986)
|
| [14] | 14noshirspesika,kathleenjstebe,petercsearson,adv.mater.,15(15),1288(2003)e
|
Full-Text
|
|
Contact Us
service@oalib.com QQ:3279437679 
WhatsApp +8615387084133
|
|
