CdCl2 treatment and its role in enhancing photodetection properties of CdTe and Cd1-xZnxTe films

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dc.authoridTAYKURT DADAY, Mine/0000-0002-2440-5200
dc.contributor.authorYilmaz, S.
dc.contributor.authorBasol, B. M.
dc.contributor.authorPolat, I.
dc.contributor.authorDaday, M. Taykurt
dc.contributor.authorTomakin, M.
dc.contributor.authorKucukomeroglu, T.
dc.contributor.authorBacaksiz, E.
dc.date.accessioned2026-02-27T07:33:19Z
dc.date.available2026-02-27T07:33:19Z
dc.date.issued2025
dc.description.abstractClose space sublimated CdTe and Cd1-xZnxTe (CZT) films were grown on glass substrates and CdCl2 activation was applied on these films to improve their physical, optical and electrical characteristics for photodetector applications. X-ray diffraction data showed that CdCl2 treatment of CdTe caused a reduction in the dislocation density and microstrain, whereas Zn incorporation/CdCl2 treatment slightly increased these values compared to the as-deposited CdTe films. Morphological examination indicated that CdCl2 activation transformed grains from faceted to rounded shape for both CdTe and CZT films. A band gap enlargement was observed from 1.45 eV to 1.47 eV for both CdTe and CZT films upon CdCl2 treatment. CdCl2-treated CZT films were used to fabricate photodetectors that exhibited the highest performance with a rise/fall time of 27/28 ms, sensitivity of 1301 %, responsivity of 0.0143 A/W, detectivity of 5.7x107 Jones and external quantum efficiency of 4.0 % under blue light illumination at 2 V.
dc.description.sponsorshipScientific Research Projects Coordination Unit at Adana Alparslan Turkes Science and Technology University [25103001]
dc.description.sponsorshipWe gratefully acknowledge the support of the Scientific Research Projects Coordination Unit at Adana Alparslan Turkes , Science and Technology University, under grant number 25103001.
dc.identifier.doi10.1016/j.mseb.2025.118208
dc.identifier.issn0921-5107
dc.identifier.issn1873-4944
dc.identifier.urihttp://dx.doi.org/10.1016/j.mseb.2025.118208
dc.identifier.urihttps://hdl.handle.net/20.500.14669/4545
dc.identifier.volume317
dc.identifier.wosWOS:001444710300001
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofMaterials Science and Engineering B-Advanced Functional Solid-State Materials
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20250327
dc.subjectCdTe and CZT thin films
dc.subjectCSS
dc.subjectCdCl 2 treatment
dc.subjectPhotodetector
dc.titleCdCl2 treatment and its role in enhancing photodetection properties of CdTe and Cd1-xZnxTe films
dc.typeArticle

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