AAO膜的光反射非對稱效應及AAO模板法制備Si、Ge納米結構.pdf

1、廈門大學碩士學位論文AAO膜的光反射非對稱效應及AAO模板法制備Si、Ge納米結構姓名：李陽娟申請學位級別：碩士專業(yè)：凝聚態(tài)物理指導教師：賴虹凱201106AbstractWiththerapiddevelopmentofsiliconmicroelectronicsindustrythedevicetechnologyhasimprovedandsizescaleisreducedtonanometerscaleHoweverthel

2、owluminousefficiencyhasrestrictedthedevelopmentofoptoelectronicintegrationduetoitsindirectbandgapHighdensitysmallsizeanduniformSinanostructuresarepromisingmaterialstoachievehighperformanceSi—basedphotonicdevicesBecausean

3、odicalumina(AA0)arehighlyorganized，controllableporesizeandporespacing，thermalstabilityinsulationandsimplepreparationprocess，uniformnanostructureshasbeenpreparedusingAAOtenplateAAOisawidebandgapmaterialIthasgoodopticalpro

4、pertieswithhighlighttransmissioninthenearultraviolettothenearinfiaredVariousnanostructureshavebeenpreparedbyAAOonthetransparentglasssubstratesAndtheyaresignificantforapplicationinphotocatalysisandphotovoltaiccellseta1Int

5、histhesis，wehavestudiedtheasymmetriclightreflectanceeffectoftheAAOonglasssubstrateandtheSibasednanostructuresThemainworkandinnovationsinthisthesisareasfollows：1Anovelopticalphenomenon，theasymmetriclightreflectanceeffect，

6、hasbeenfoundintheglassbasedAAOsystemWedemonstratethattheasymmetriclightreflectanceeffectiscausedbytheresidualAInetworknanostructuresbetweentheglassandAAO2。UniformsmallsizeSibasednanostructuresinlargeareahavebeenpreparedu

7、singAAOtemplate0ntheSisubstrateandSi／GeSiquantumwellsThevisibleredphotoluminescenceatroomtemperatureisobservedinthoseSi—basednanostructuresThesephotohminescencepeakswereobservedat585rimwithanarrowerbandwidthand620nmwitha