功能材料
功能材料
공능재료
JOURNAL OF FUNCTIONAL MATERIALS
2012年
10期
1258-1262
,共5页
张严芳%徐刚%魏晓%任召辉%沈鸽%郑伟%韩高荣
張嚴芳%徐剛%魏曉%任召輝%瀋鴿%鄭偉%韓高榮
장엄방%서강%위효%임소휘%침합%정위%한고영
SrTiO3%溶剂热%乙二醇%自组装%光催化
SrTiO3%溶劑熱%乙二醇%自組裝%光催化
SrTiO3%용제열%을이순%자조장%광최화
SrTiO3%solvothermal%ethylene glycol%self-assemble%photocatalytic /
以钛酸四正丁酯((C4H9O)4Ti)水解沉淀的钛羟基氧化物和硝酸锶(Sr(NO3)2)为反应原料,以氢氧化钾(KOH)为矿化剂,以乙二醇((HOCH2)2)为溶剂,经200℃溶剂热反应得到了由纳米颗粒自组装形成的SrTiO3片状纳米结构。分别用XRD、SEM、TEM表征SrTiO3粉体的物相结构和微观形貌。通过光催化降解罗丹明B(RhB)对比研究了乙二醇溶剂热合成的纳米颗粒自组装SrTiO3片状纳米结构和水热合成的SrTiO3粉体的光催化性能,结果表明,乙二醇溶剂热合成的SrTiO3自组装片状纳米结构具有更加优异的光催化性能。
以鈦痠四正丁酯((C4H9O)4Ti)水解沉澱的鈦羥基氧化物和硝痠鍶(Sr(NO3)2)為反應原料,以氫氧化鉀(KOH)為礦化劑,以乙二醇((HOCH2)2)為溶劑,經200℃溶劑熱反應得到瞭由納米顆粒自組裝形成的SrTiO3片狀納米結構。分彆用XRD、SEM、TEM錶徵SrTiO3粉體的物相結構和微觀形貌。通過光催化降解囉丹明B(RhB)對比研究瞭乙二醇溶劑熱閤成的納米顆粒自組裝SrTiO3片狀納米結構和水熱閤成的SrTiO3粉體的光催化性能,結果錶明,乙二醇溶劑熱閤成的SrTiO3自組裝片狀納米結構具有更加優異的光催化性能。
이태산사정정지((C4H9O)4Ti)수해침정적태간기양화물화초산송(Sr(NO3)2)위반응원료,이경양화갑(KOH)위광화제,이을이순((HOCH2)2)위용제,경200℃용제열반응득도료유납미과립자조장형성적SrTiO3편상납미결구。분별용XRD、SEM、TEM표정SrTiO3분체적물상결구화미관형모。통과광최화강해라단명B(RhB)대비연구료을이순용제열합성적납미과립자조장SrTiO3편상납미결구화수열합성적SrTiO3분체적광최화성능,결과표명,을이순용제열합성적SrTiO3자조장편상납미결구구유경가우이적광최화성능。
Strontium titanate (SrTiO3) nanosheets self-assembled by nanoparticles were successfully synthesized by ethylene glycol solvothermal reaction route with titanium oxide hydroxyl as reaction materials and potassium hydroxide (KOH) as mineralizer at 200℃. The composition and morphology of the synthesized powders were investigated using XRD, SEM and TEM. The photocatalytic activities of the samples synthesized by hydrother- mal and solvothermal method were studied through recording the degradation of Rhodamine B (RhB) in UV. The result shows that the SrTiO3 self-assembly nanosheets perform better photocatalytic activities.