Growth and Characterization of Stoichiometric Cu2ZnSnS4 Crystal Using Vertical Bridgman Technique

Elif Peksu, Makbule Terlemezoglu, Mehmet Parlak, Hakan Karaagac*

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Özet

Stoichiometric Cu2ZnSnS4 (CZTS) single phase crystals are successfully grown in a single-zone vertical furnace by Bridgman technique. X-ray diffraction (XRD) and Raman spectroscopy measurements are employed to investigate the structural properties of the grown crystals, which verifies the formation of mono-phase CZTS crystals with kesterite structure. The energy-dispersive X-ray analysis (EDS) indicates the growth of CZTS single phase crystals with a nearly stoichiometric chemical composition. The carrier concentration, mobility, and resistivity of the crystals are determined from Hall Effect measurements. At room temperature, the respective values are found to be 4.0 × 1015 cm−3, 1.0 cm2 Vs−1, and 1540 Ω cm. The activation energies for the acceptor levels are also determined using the temperature-dependent hole concentration measurement. CuZn-antisite originated acceptor level with activation energies of ≈121 meV is identified in a nearly stoichiometric kesterite structure.

Orijinal dilİngilizce
Makale numarası2100595
DergiPhysica Status Solidi (A) Applications and Materials Science
Hacim219
Basın numarası3
DOI'lar
Yayın durumuYayınlandı - Şub 2022

Bibliyografik not

Publisher Copyright:
© 2021 Wiley-VCH GmbH

Finansman

This work was supported by Turkish Scientific and Research Council (TUBITAK) under Grant no 315M401.

FinansörlerFinansör numarası
TUBITAK315M401
Turkish Scientific and Research Council

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