齐齐哈尔大学学报:自然科学版
齊齊哈爾大學學報:自然科學版
제제합이대학학보:자연과학판
Journal of Qiqihar University(Natural Science Edition)
2012年
4期
5-8
,共4页
蒋新德%邢北平%计远%张文治%李莉
蔣新德%邢北平%計遠%張文治%李莉
장신덕%형북평%계원%장문치%리리
溶胶一凝胶%杂多酸%微波%光催化%甲基橙
溶膠一凝膠%雜多痠%微波%光催化%甲基橙
용효일응효%잡다산%미파%광최화%갑기등
sol-gel%heteropolyacid%microwave%photocatalysis%methyl orange
采用溶胶一凝胶再结合程序升温溶剂热一步法制备了纳米复合光催化材料Ag-HeP2WtsOJTiO2,并采用傅立叶一红外光谱(FT-IR)、等离子原子反射光谱(ICP-AES)、氮气吸附一脱附测定和透射电子显微镜(TEM)等测试方法Ag-H6P2W18O62/TiO2合成材料的物理化学性质进行了表征。结果表明,复合材料中母体多酸的基本结构未发生明显变化,其Agl)J单质形式存在,且显示为介孔材料。在微波场作用下,复合材料Ag-H6P2W18O62/TiO2对甲基橙的降解表现了较高的催化活性。
採用溶膠一凝膠再結閤程序升溫溶劑熱一步法製備瞭納米複閤光催化材料Ag-HeP2WtsOJTiO2,併採用傅立葉一紅外光譜(FT-IR)、等離子原子反射光譜(ICP-AES)、氮氣吸附一脫附測定和透射電子顯微鏡(TEM)等測試方法Ag-H6P2W18O62/TiO2閤成材料的物理化學性質進行瞭錶徵。結果錶明,複閤材料中母體多痠的基本結構未髮生明顯變化,其Agl)J單質形式存在,且顯示為介孔材料。在微波場作用下,複閤材料Ag-H6P2W18O62/TiO2對甲基橙的降解錶現瞭較高的催化活性。
채용용효일응효재결합정서승온용제열일보법제비료납미복합광최화재료Ag-HeP2WtsOJTiO2,병채용부립협일홍외광보(FT-IR)、등리자원자반사광보(ICP-AES)、담기흡부일탈부측정화투사전자현미경(TEM)등측시방법Ag-H6P2W18O62/TiO2합성재료적물이화학성질진행료표정。결과표명,복합재료중모체다산적기본결구미발생명현변화,기Agl)J단질형식존재,차현시위개공재료。재미파장작용하,복합재료Ag-H6P2W18O62/TiO2대갑기등적강해표현료교고적최화활성。
The nano-composite material Ag-H6P2W18O62/TiO2 in this study was prepared by sol-gel method combined with temperature-programmed hydrothermal treatment. The phase structures, chemical composition, opticalabsorption properties and surface physicochemical properties were characterized via FTIR, ICP-AES, XRD, nitrogen adsorption/desorption and TEM. The results showed the basic structure of polyoxometaltes in the composites has been basicly matained. The composites Ag-H6P2W18O62/TiO2 are periodical mesoporous materials, and the silver species existing in the nano-composite Ag-H6P2W18O62/TiO2 was metallic Ag. The photocatalytic activities of the as-prepared material were studied by the microwave assisted photodegradation of methyl orange. The results showed that the photocatalytic activitiy of Ag-H6P2W18O62/TiO2 for methyl orange was higher.