Sb2S3、CdS納米晶的合成、表征及性能研究.pdf

1、聲明本學(xué)位論文是我在導(dǎo)師的指導(dǎo)下取得的研究成果，盡我所知，在本學(xué)位論文中，除了加以標(biāo)注和致謝的部分外，不包含其他人已經(jīng)發(fā)表或公布過的研究成果，也不包含我為獲得任何教育機(jī)構(gòu)的學(xué)位或?qū)W歷而使用過的材料。與我一同工作的同事對本學(xué)位論文做出的貢獻(xiàn)均已在論文中作了明確的說明。研究生簽名：—』泣孑吖壚年鄉(xiāng)月廖學(xué)位論文使用授權(quán)聲明南京理工大學(xué)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，可以向有關(guān)部門或機(jī)構(gòu)送交并授

2、權(quán)其保存、借閱或上網(wǎng)公布本學(xué)位論文的部分或全部內(nèi)容。對于保密論文，按保密的有關(guān)規(guī)定和程序處理。研究生簽名：—婭州矽年鄉(xiāng)月力掃Abstract碩士論文AbstractNanomaterialshavemanyspecialpropertieswhicharedifferentfromtraditionalmaterials，duetoitsuniquemicrostrucmreandaseriesofnewphotoelectricpro

3、pertiesAntimonysulfideandcadmiumsulfidenanomaterials，asimportantrepresentativeofnanometersemiconductmaterials，whichhavepotentialapplicationsinsolarcell，photoelectricdisplaydevice，thermoelectricmaterialsInthisdissertation

4、，Sb2S3andCdSnanocystalswithdifferentmorphologiesweresynthesizedunderhightemperatureconditionThemicrostucturesandpropertiesoftheproductshavebeencharacterizedbyXRD，EDS，Raman，TEM，SEM，UV—vis，PLetThemainresultsaresummariedasf

5、ollows：(1)Synthesisofthedoublecauliflower—likeAntimonysulfide(Sb283)nanocrystals：Thedoublecauliflowerlike8b283superstructureswerepreparedusingSbCl3andNa2S[39H20asrawmaterials，dodecyltrimethylarnmoniumbromide(DTAB，ClsHsIB

6、rN)assurfactantunderacidicconditionat180℃for30hTheeffectofreactionconditionsincludingreactiontimetemperature，surfactantsandtheratioofSandSbonthesamplemorphologywerediscussedandapossiblemechanismfortheformationofcauliflow

7、erlikeSb2S3wasproposedThecauliflower—likeSb2S3microcrystallinesrevealedbroadspectmmresponse(2)PreparationandproperitiesofthemultiarmedCadmiumsulfide(CdS)nanocrystals：ThemultiarmedCdSnanocrystaiswereeasilyachievedfrommole

8、cularprecursors(xanthate)inethylenediamine(en)solutionat140℃for12hbysolvothermalmethodTheinfluencesofthereactiontime，temperature，solvent，concentrationandexcessivesulfurrawonmorphologywerediscussedApossiblemechanismforthe

9、formationofmulti—armedCdSwasproposedThephotocatalyticactivitywiththedifferentmorphologiesofCdSandcatalystrecyclingratewereinvestigate，andapossibledegradationmechanismforCdSphotocatalystoverRhBWasproposed(3)SynthesisofCad

10、miumsulfide(CdS)nanocrystalsbywaterbathmethod：Byusingsinglesourcemolecularprecursors，themultiarmedCdSnanorodswerepreparedinenat90℃for12hbywaterbathUniformsphericalCdSnanoparticleswaseasilysynthesizedbywaterbathprocessusi

11、ngDMSOassolventat80。CTEMshowedthediameteroftheballcomposedbybulkisabout50nrnTheCdSnanocrystalswithdifferentmorphologieswereobtainedbysolventvariation，theinfluenceofreactionconditionswasexploredKeyword：Antimonysulfide，Cad