鈷、釩化合物納米材料的合成與性質(zhì)的研究.pdf

1、獨(dú)創(chuàng)性聲明本人聲明所呈交的學(xué)位論文是本人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。據(jù)我所知，除了文中特別加以標(biāo)注和致謝的地方外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過的研究成果，也不包含為獲得蝻案賭或其他教育機(jī)構(gòu)的學(xué)位或證書而使用過的材料。與我一同工作的同志對本研究所做的任何貢獻(xiàn)均己在論文中作了明確的說明并表示謝意。學(xué)位論文作者簽名：劉程戌簽字日期：力膨年口z月o／日學(xué)位論文版權(quán)使用授權(quán)書本學(xué)位論文作者完全了解撇垮有關(guān)保留：使用學(xué)位論文的

2、規(guī)定，有權(quán)保留并向國家有關(guān)部門或機(jī)構(gòu)送交論文的復(fù)印件和磁盤，允許論文被查閱和借閱。本人授權(quán)刪以將學(xué)位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫進(jìn)行檢索，可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文。(保密的學(xué)位論文在解密后適用本授權(quán)書)’學(xué)位論文作者簽名：劉檔技簽字日期：勁膀年痧z月D／日學(xué)位論文作者畢業(yè)去向：J：作單位：通訊地址：導(dǎo)師簽名：李毛修國簽字日期：沙15年‘月牛日電話：郵編：ABSTRACTCobaltandvanadium

3、compoundnanomaterialsshowuniquestmctureandspecialproperties，whichcanbewidelyusedinelectrochemistrymagneticrecordingmaterials，optics，catalysts，cell，senseandotherfields，andbecomeanimportanttopicinthefieldsofchemistrymateri

4、alsciencesandphysicsInthisdissertationcobaltvanadiumcompoundnanomaterialswithdifferentcrystallineStnlctures，compositionandmorphologieshavebeensynthesizedbyhydrothermalsynthesisprocessandtheirpropertieshavebeeninvestigate

5、dThemainresearchcontentsofthisdissertationareasfollows：Firstlywechose’Co(N03)2。6H20，Na2Se03asprecursors，andN214_4’H20asareducingagentCoossSe、航也variousshapesWassynthesizedunderinthedifferenthydrothermalconditions，includin

6、gratiobetweenreactants，reactiontemperatureandreactiontimeThetremelliformCoo85SenanosheetswereobtainedviaonestephydrothermalsynthesismethodinthetypicalsynthesisconditionThetremelliformCoossSenonosheetshaveahi曲specificsurf

7、aceareaAndmagnetismtestresultsshowthatthetremelliformCoossSepossessesparamagneticpropertyatroomtemperatureExperimentshaveshownthattheCoossSenanosheetssynthesizedundertheoptimalreactionconditionhaveexcellentcatalyticactiv

8、ityandreusabilityintheprocessofdecompositionofN2H4H20TheCoo85SenonosheetswereappliedtocatalyzedecompositionofN2H4‘H20ascatalystThiswasespeciallysignificantinwideningtheapplicationrangesofcobaltselenidenanomaterialsSecond

9、lyonthebasisofpreviousstudies，thetremelliformCoossSenonosheetsisappliedtotheadsorptiondesorptionequilibrium’ofmethylenebluetrihydrateinthepresenceofsodiumborohydrideTheresultsdisplaythattheCoossSenonosheetshaveefficientc

10、atalysisforthedecompositionofsodiumborohydrideTheadsorptioncapabilityoftheCoo85SenonosheetsformethylenebluetrihydratehasbeenimprovedobviouslyduetothedecompositionofsodiumborohydrideAnd，afterarrivingatabsorptionanddesorpt