EXPERIMENTALINVESTIGATIONOFDIRECTPLASMAPECVDCOATINGONTHEABSORPTIVITYOFMONO-CRYSTALLINE&SOLARGRADECRYSTALLINESILICONWAFERS
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Abstract
Advancementsoftechnologiesintoday’sworldcreatesaneedforresourcesalternativeenergy.
Researchersareworkingcontinuouslytotapvarioussourcesofrenewableenergybut
stillupgradingtheefficiencyoftheseresourcesisstillachallenge.
Byvaryingthecolorsofcoating,theeffectofabsorptivityofsiliconwaferswasstudied.
Siliconsolarcells’efficiencyisconsiderablyaffectedbytheabsorptionoflightandchargecollectionarea.
Increaseinabsorptionincreasesphotocurrentandefficiency.
Tocreatevariouscolors,siliconwaferwerecoatedwithdifferentcompositionofsiliconnitride.
CoatingsweredonebyPlasmaEnhancedChemicalVapourDeposition(PECVD)
stageontheequipmentmanufacturedbySchmidGmbh,Germany.
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