TY - JOUR
T1 - Densification kinetics of cds thin films annealed at low temperature
AU - López-Moreno, A.
AU - Vera-Marquina, A.
AU - Leal-Cruz, A. L.
AU - Zuñiga-Islas, C.
AU - Zaldivar-Huerta, I. E.
AU - García-Juárez, A.
AU - Aguilar-Martínez, J.
N1 - Publisher Copyright:
© 2019, S.C. Virtual Company of Phisics S.R.L. All rights reserved.
PY - 2019/1/1
Y1 - 2019/1/1
N2 - A systematic study of growth, annealing, and characterization of cadmium sulfide (CdS) thin films obtained by chemical bath deposition is presented. The aim of this work is to elucidate the densification kinetics and the annealing effect on microstructure, optical behavior, and band gap of annealed CdS films in the temperature range of 373.15-523.15 K, using nitrogen atmosphere. Film characterizations were performed by profilometry, X-ray diffraction, X-ray photoelectron spectroscopy, and atomic force microscopy techniques. Additionally, optical properties and band gap of films were determined by UV-visible spectroscopy. CdS films intended for solar cell applications grown to an average thickness of 118 nm, exhibited band gap values in the range of 2.38 eV to 2.45 eV. Lastly, annealing process allows a densification degree increase up to 64 % and the kinetic study reveals that the densification process of CdS obeys to fractional order rate law with activation energy of 43.09 Kcal/mol.
AB - A systematic study of growth, annealing, and characterization of cadmium sulfide (CdS) thin films obtained by chemical bath deposition is presented. The aim of this work is to elucidate the densification kinetics and the annealing effect on microstructure, optical behavior, and band gap of annealed CdS films in the temperature range of 373.15-523.15 K, using nitrogen atmosphere. Film characterizations were performed by profilometry, X-ray diffraction, X-ray photoelectron spectroscopy, and atomic force microscopy techniques. Additionally, optical properties and band gap of films were determined by UV-visible spectroscopy. CdS films intended for solar cell applications grown to an average thickness of 118 nm, exhibited band gap values in the range of 2.38 eV to 2.45 eV. Lastly, annealing process allows a densification degree increase up to 64 % and the kinetic study reveals that the densification process of CdS obeys to fractional order rate law with activation energy of 43.09 Kcal/mol.
KW - CBD annealing
KW - CdS films
KW - Densification kinetics
KW - Kinetics parameters
UR - http://www.scopus.com/inward/record.url?scp=85060727168&partnerID=8YFLogxK
M3 - Artículo
AN - SCOPUS:85060727168
SN - 1584-8663
VL - 16
SP - 21
EP - 28
JO - Chalcogenide Letters
JF - Chalcogenide Letters
IS - 1
ER -