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Dyuthi @ CUSAT >
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Dr. C Sudha Kartha >
Please use this identifier to cite or link to this item:
http://purl.org/purl/4724
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| Title: | Bias voltagecontrolledphotoluminescencefrom b-In2S3 thin films |
| Authors: | Sudha Kartha, C
Jayakrishnan, R
Vijayakumar, K P |
| Keywords: | Thin films
Chemical SprayPyrolysis
Indium sulfide
Photoluminescence quenching
Voltage dependence |
| Issue Date: | 2011 |
| Publisher: | Elsevier |
| Abstract: | 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 |
| Description: | MaterialsScienceinSemiconductorProcessing14(2011)58–61 |
| URI: | http://dyuthi.cusat.ac.in/purl/4724 |
| Appears in Collections: | Dr. C Sudha Kartha
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