Results 21 to 30 of about 7,103 (254)

STUDYING THE EFFECT OF ANTIREFLECTION COATING THAT MADE FROM MGF2 ON SILICON SOLAR CELL EFFICIENCY [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2012
The effect of Antireflection coating that made from MgF2 on P- type solar cell efficiency was studied in this paper . MgF2 solution was deposted by chemical spray pyrolysis method on surface of the cell .
A. Y. ALI   +3 more
doaj   +1 more source

Experimental parameters for the preparation of Mn/TiO2 catalysts by ultrasonic spray pyrolysis method for selective catalytic reduction of NOx at low temperature

open access: yesChemical Physics Impact, 2023
Mn/TiO2 series selective catalytic reduction (SCR) catalysts with regular spherical shape could be obtained by ultrasonic spray pyrolysis method. The investigation of experimental parameters, such as decomposition temperature and the type and flow rate ...
Yingqi Song   +4 more
doaj   +1 more source

DOPING EFFECT BY (Cu , Zn) ON SOME OPTICAL PROPERTIES OF NANOSTRUCTURED (CdS) THIN FILM

open access: yesTikrit Journal of Pure Science, 2023
In this paper thin films of CdS dopped with Cu and  Zn and that mixed with (10, 20%) has been prepared using the Chemical spray pyrolysis Technique deposited on 350ºC glass substrates, The optical properties of these films have been measured in the rang(
ABDUL MAJEED E. IBRAHEEM   +2 more
doaj   +1 more source

EFFECT OF CUPPER DOPPING ON THE OPTICAL PROPERTIES OF ZNS THIN FILMS [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2012
In this paper thin films of ZnS dopped with cupper has been prepared using thermal chemical spray pyrolysis at (623)K and pressure of (1.2)bar. The optical properties of these films have been measured in the rang(300-900)nm ,different optical properties ...
KALID H. YASEEN   +2 more
doaj   +1 more source

Theoretical and experimental Investigation of Structural, electronic and optical properties of neodymium doped ZnO [PDF]

open access: yesMATEC Web of Conferences, 2020
The morphological and cathodoluminescent properties of Nd doped zinc oxide thin films deposited by reactive chemical pulverization spray pyrolysis technique on heated glass substrates at 450 °C are being reported.
Cherrad Hajar   +11 more
doaj   +1 more source

A dimensionless study of the evaporation and drying stages in spray pyrolysis [PDF]

open access: yes, 2007
An original dimensionless study of the pure evaporation and precipitation stages of a spray pyrolysis process has been performed. An estimation of the evaporation time is proposed and the influence of the main processing parameters has been investigated.
Caussat, Brigitte, Reuge, Nicolas
core   +1 more source

The effect of Nd-YAC laser irradiation on some optical properties of ZnO Thin film

open access: yesTikrit Journal of Pure Science, 2023
In the present study, ZnO thin film have been prepared on glass substances using chemical spray pyrolysis with thickness 1000 Ao laser  Nd-YAG irradiation (weavlength 532 nM) and energy (300mW) for 10s from 50cm distance. Optical properties ( energy gap,
Basira Q. Sulaiman
doaj   +1 more source

Spray Pyrolysis Technique; High-K Dielectric Films and Luminescent Materials: A Review

open access: yesMicromachines, 2018
The spray pyrolysis technique has been extensively used to synthesize materials for a wide variety of applications such as micro and sub-micrometer dimension MOSFET´s for integrated circuits technology, light emitting devices for displays, and ...
Ciro Falcony   +2 more
doaj   +1 more source

Characterization of FeS2 Thin Film Prepared by Spray Pyrolysis Method for Optoelectronic Applications [PDF]

open access: yesJournal of Applied Sciences and Nanotechnology, 2022
In this work, the physical properties of iron sulfide (FeS2) thin films deposited by the chemical spray-pyrolysis (CSP) technique were studied.  The thin films are deposited on glass substrates at 200oC, using FeCl3 salt with thiourea (NH2)2CS as ...
Mostafa Ibrahim   +2 more
doaj   +1 more source

Influences of annealing temperature on sprayed CuFeO2 thin films

open access: yesResults in Physics, 2018
Delafossite CuFeO2 thin films were successfully prepared onto quartz substrates using simple spray pyrolysis technique. Post annealing under nitrogen atmosphere for 2 h was necessary to form delafossite CuFeO2 phase. The effect of alteration in annealing
H.M. Abdelwahab   +4 more
doaj   +1 more source

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