硫?qū)倩衔锛{-微米材料的化學(xué)制備、表征及其性能研究.pdf

1、中國(guó)科學(xué)技術(shù)大學(xué)碩士學(xué)位論文硫?qū)倩衔锛{微米材料的化學(xué)制備、表征及其性能研究姓名：王立成申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：無(wú)機(jī)化學(xué)指導(dǎo)教師：錢逸泰20060401中國(guó)科學(xué)技術(shù)大學(xué)碩士學(xué)位論文摘要AbstractTheaimofthisthesisistoexploreanddevelopnewsyntheticmethodtopreparethenanometerormicronmaterialsofthemetalchalcogenidesTh

2、esyntheticroutesin—cludinghydrothermalmethodandpyrolysisofcorrespondingprecwsorsareusedtopreparethechalcogenidesofZnS、CdS、MnSe2andNi3S2、NiSe、CosS9Thephasesandmorphologiesofthechalcogenidesarecharacterized，thegrowthmechan

3、ismandpropertiesofthechalcogenidesarediscussed1Asreactants，sulfursublimed(S)、sodiumhypophosphite(NaH2P02‘I120)andzincacetate【Zn(CHsCOO)2’2I120]areprocessedviaahydrothermalreducingmethodintheTeflonlinedautoclave，andthepro

4、ductisZnSmicrospheres，whicharetheaggregationsofmanynano—particlesReplacingZn(CH3COO)2’2H20withCd(CH3COO)2‘2H20，theproductistheflowerlikeCdScrystallitesWhenseleniumpowder(Se)、NaH2P02’H20andMnS04。H20areusedasreactants，thep

5、roductarethecubelikeMnSe2microcrystallitesMoreoverthephasesandmorphologiesoftheproductsarecharacterized，themechanismandtheimportantfactorsoftheirgrowthprogressarediscussed2ThetubularcoordinatedcomplexesofNi(en)sS20s、Co(e

6、n)3S203、Ni(en)3SeS03aresynthesized，andthenthechalcogenidesofNi3S2、C09S8、NiSe，whichhavelargesllrNceareas，areobtainedviathepyrolysismethodinthehydrogenatmosphereThephasesandmorphologiesofthechalcogenidesarecharacterizedThe