Fe3O4-Ag磁性納米材料的制備及其應(yīng)用研究.pdf

1、學(xué)位論文獨(dú)創(chuàng)性聲明本人鄭重聲明：所提交的學(xué)位論文是本人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作和取得的研究成果。本論文中除引文外，所有實驗、數(shù)據(jù)和有關(guān)材料均是真實的。本論文中除引文和致謝的內(nèi)容外，不包含其他人或其它機(jī)構(gòu)已經(jīng)發(fā)表或撰寫過的研究成果。其他同志對本研究所做的貢獻(xiàn)均已在論文中作了聲明并表示了謝意。學(xué)位論文作者簽名：葺走走日期：多腹又J7學(xué)位論文作者簽名：孵日期：多版，LJ’7學(xué)位論文使用授權(quán)聲明研究生在校攻讀學(xué)位期間論文工作的知識產(chǎn)權(quán)單位屬南

2、京師范大學(xué)。學(xué)校有權(quán)保存本學(xué)位論文的電子和紙質(zhì)文檔，可以借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容，可以采用影印、復(fù)印等手段保存、匯編本學(xué)位論文。學(xué)?？梢韵驀矣嘘P(guān)機(jī)關(guān)或機(jī)構(gòu)送交論文的電子和紙質(zhì)文檔，允許論文被查閱和借閱。(保密論文在解密后遵守此規(guī)定)保密論文注釋：本學(xué)位論文屬于保密論文，密級：——保密期限為年。學(xué)位論文作者簽名：零是走日期：砒fJ7指導(dǎo)教師簽名：彭塑恕日期：)。jjs。門AbstractAbStraCthⅣestigat

3、ionofnanomat耐alsisc眥entlyofstIldyinterestSforthe11niqueChemicaJ，physical，magnetic，opticalandele嘶calpropeniesauswell硒me、衍derangeofapIplic撕onsintllefieldofcatalysis，biomedicalaIldoptoelectr011icdcVicesButt11e缸1嘶onsofsiIl91

4、enanomaterialsisrestrictedbecauseitsn柵ealldlimitationsAsanewbraIlchofnan衄俐：嘶als，core—S_hellnanomaterialscanC0nlbineseVeralmat商als、)l，imdiffb瞅ltnatllretocreateanewnanomat甜alsThispr0VidesagoodopportllnitytodeVelopmore如n以on

5、ofnanomaterialsCoVermagneticnanopanicleswithnoblemetals，tocreatecompositenanomaterialswithcoreshells仇lctllretllathaVebomexcellentm楚皿舐cpropeniesa11dopticalprop硎esOntllestudyofFe304／Agma盟eticnanop礬clesintllispap％缸吐eri11Ves

6、tigationsaimingto也eapphc撕oninca：talysis，detectionofleadionsandwastewater仃ea缸nentThem旬orcontributionsareaSfollows：1：Fe304m4朗鰣cnanop枷cleswerepr印鯽甜bywatercoprecipitationUsingthesmallsizeFe304ma_盟eticnanopanicles，meFe30以gcor

7、e—sheUnallopaniclesweresy礎(chǔ)esizedbyr。du血gAg【0哪3)2rwithgallicacidasreducer慨a(chǎn)tinfhlenceofmeratioofmat嘶als，pHofmesolution，c巧stallizationtempera：tIlrea11dme鋤ountofsliVerni仃atecon仃ibutedto也eFe3Q以～gma弘舐cnaIlop砒icleshaSbeelldisc

8、ussedIIlVestigatenleCharact嘶zationaIldperfomanCeofFe304nanop枷clesaIldFe3o以gma印甜cnanoparticles也】_0u曲methodssuchaSTEM，UvVIS，)(】王D2：Fe30張gcore—shellnanop硪icleswereusedaSanewmat砸alfortlledetectionofPb2W池tllecoordin撕onbehaVio

9、rofPb2wi也t11eGAmolecularbondedonmesu而ceoftllecore—shennallopanicles，itcaIlbeusedtoqualltitatiVelydetectmePbpThelinearresponserangeofdet硎onisfbom510。9Mto1O10‘5MT11edeVelopedmethodshowsa900dselectiV時forPb2十a(chǎn)ndt11eFe304／Agc

10、ore—shellnanoparticlesareeausytobereCOVeredfor也eirma薩葩sm3：Theabso印tionbehaviorofleadionsof也enanopaniclesinaqueoussol們onwaS咖IdiedTheresultsshowedthat也eoptimizedconditionofpHformetalionsremoValwas70whilet11etemperanlrewaS3

11、0℃。111eremoVale伍ciencyof1eadwaSaboVe997％and也esor]ptionkm砸csforPbZwaLsa黟eewiththeseCondordermodel(RzO99)Fom吼ore，也eFe30社gnanopaniclescouldbewellreusablemerbeingregenerated，indicateing也atFe304／Agnanopanicleshadagoodprospect