具有熒光特性的納米金屬氧化物聚苯胺導(dǎo)電雜化薄膜的研究

1、ll福建師范大學(xué)理學(xué)碩士學(xué)位論文摘要在本研究中，以浸于含修飾劑的流動(dòng)相的氧化物(氧化銪、氧化鋅、氧化鋁)作為固體靶，采用脈沖激光的方法制備得到修飾氧化物乙醇溶膠、修飾氧化物／聚苯胺有機(jī)溶膠及其雜化薄膜。采用透射電鏡、熒光光譜、熱重分析、紫外可見(jiàn)光譜、紅外光譜、四探針電導(dǎo)率測(cè)試等方法研究了制備條件對(duì)修飾氧化物／聚苯胺有機(jī)溶膠熒光特性的影響，修飾氧化物納米粒子的結(jié)構(gòu)和修飾氧化物／聚苯胺雜化薄膜的熒光特性、導(dǎo)電性質(zhì)及其性能。研究結(jié)果表明采用分

2、步制備得到的修飾氧化物／聚苯胺有機(jī)溶膠的熒光性能比一步制備的更好；在紫外光照射下，修飾氧化物／聚苯胺有機(jī)溶膠及其雜化薄膜均能發(fā)出很強(qiáng)的熒光；修飾氧化物／聚苯胺雜化薄膜的導(dǎo)電性能相對(duì)于樟腦磺酸摻雜的聚苯胺薄膜的有所降低，而熱穩(wěn)定性有所提高。采用脈沖激光法分別制備得到發(fā)綠光的修飾納米ZnO／聚苯胺有機(jī)溶膠和發(fā)紅光的修飾納米Eu203／聚苯胺有機(jī)溶膠，按一定的比例混合，得到修飾納米氧化物／聚苯胺混合有機(jī)溶膠及其雜化薄膜。TEM顯示金屬氧化物粒

3、子粒徑約為15nm且其在聚苯胺中有較高的穩(wěn)定性。該雜化薄膜材料在紫外光照射下發(fā)出強(qiáng)烈的黃光。雜化薄膜材料的電導(dǎo)率為007x10。2Scm～。熱分析表明該雜化薄膜比導(dǎo)電性聚苯胺(PANHCSA)薄膜具有更好的熱穩(wěn)定性。關(guān)鍵詞脈沖激光；修飾納米氧化物；熒光；有機(jī)溶膠；聚苯胺；雜化薄膜福建師范大學(xué)理學(xué)碩士學(xué)位論文AbstractThedecoratedmetaloxide(europiumoxide、zincoxidedandPdecorat

4、edmetaloxide／(PANHCSA)organiccollidsandthecorrespondinghybridfilmswere’，#一preparedbypulsedlaserablationattheinterfaceofmetaloxidetargetsubmergedinflowingliquidcontainingligandsTEM，fluorescencespectrum，TGUVVis，F(xiàn)TIRandFour

5、ProbeMeasurementwereusedtostudytheinfluenceofexperimentalconditionsonfluorescencepropertiesofthedecoratedmetaloxide／(PAN—HCSA)organiccollids，thestructmeofthedecoratedmetaloxidenanoparticles，fluorescenceandconductivitypro

6、pertiesofthedecoratedmetaloxide／(PANHCSA)hybridfilmsItisfoundthattheemissionintensityofthedecoratedmetaloxide／(PAN—HCSA)organiccollidspreparedbystepwisearestrongerthenonesteppreparationFluorescencespectrumresultsshowedth

7、eorganiccollidsandtheirhybridfilmsCanemitintenselightunderultravioletradiationTheconductivityofthehybridfilmsreducedcomparetotherelateconductivePAN—HCSAfilmWhileTGshowedthatthehybridfilmshavebetterthermostabilitythanther

8、elateconductivepolyanline(PANHCSA)filmDecorednanoZnO／(PANHCSA)organiceollidsanddeeorednanoEu203／(PANHCSA)organiccollidswerepreparedbypulsedlaserablationDecorednano—oxidemixedorganiccollidswereobtainedbymixingthetwocollid

9、s，thenthecorrespondinghybridfilmswereproducedTEMresultsshowedthediameterofnanometaloxideparticlesisabout15nmandthenanoparticlesweremorestableinPANThehybridfilmscanemitintenseyellowlightunderultravioletradiationTheconduct

10、ivityofthehybridfilmswas00710。2Scm～TGshowedthatthehybridfilmshavebetterthermostabilitythantherelateconductivepolyanline(PANHCSA)filmKeywords：pulsedlaser；decoratednanooxide；nuorescence；organiccolloids；polyaniline；hybridfi