Bias voltagecontrolledphotoluminescencefrom b-In2S3 thin films


Autoria(s): Sudha Kartha, C; Jayakrishnan, R; Vijayakumar, K P
Data(s)

23/09/2014

23/09/2014

2011

Resumo

b-In2S3 thin filmsweredepositedonIndiumTinOxidesubstratesusingtheChemical SprayPyrolysistechnique.Metalcontactwasdepositedoverthe b-In2S3 thin filmto formahetero-structureofthetypeITO/b-In2S3/Metal.Theintensityoftwophoto- luminescenceemissionsfromthe b-In2S3 thin film,centeredat520and690nmcould be variedbytheapplicationofanexternalbiasvoltagetothishetero-structure.The emissionscouldbeswitchedonoroffdependinguponthemagnitudeoftheexternal appliedbiasvoltage.Thusthepresenceoftwoconductingstatesinthishetero-structure could beidentified.Thetemporalvariationinintensityofthephotoluminescence emissionwiththeapplicationofthebiasvoltagehasalsobeenstudied.Thecondition underwhichphotoluminescencequenchingoccurshasbeenrepresentedbyafirst order differentialequationbetweendiffusionlengthandcarrierconcentration

MaterialsScienceinSemiconductorProcessing14(2011)58–61

CochinUniversityofScienceandTechnology

Identificador

http://dyuthi.cusat.ac.in/purl/4724

Idioma(s)

en

Publicador

Elsevier

Palavras-Chave #Thin films #Chemical SprayPyrolysis #Indium sulfide #Photoluminescence quenching #Voltage dependence
Tipo

Article