Mohammed Essa

@applied.uofallujah.edu.iq

Vice Dean of the College of Applied Science
University of Fallujah.

Mohammed Essa


                  Download Compact PDF  
https://researchid.co/mohammed-74

EDUCATION

PhD. Laser & Molecular
Renewable Energy / University of Baghdad / College of
Science/ 2017

RESEARCH, TEACHING, or OTHER INTERESTS

Renewable Energy, Sustainability and the Environment, Electronic, Optical and Magnetic Materials, Computer Science Applications, Instrumentation
16

Scopus Publications

73

Scholar Citations

4

Scholar h-index

2

Scholar i10-index

Scopus Publications

  • Cu2SnS3 Thin Films Deposited via Automated Spray Pyrolysis System for Solar Collectors Applications
    Zaid L. Hadi, Mohammed Sh. Essa, Bahaa T. Chiad
    Iraqi Journal of Science, 2025
    Copper tin sulfide (CTS) thin films were deposited on glass substrates using the spray pyrolysis technique. The solution mixture was sprayed onto the glass substrate at 310°C. The CTS thin films have a monoclinic crystal structure based on XRD analysis. FTIR confirmed Cu, Sn, and S chemical bonding, whereas the Scherrer formula predicted nanoscale particle size. The AFM analysis revealed a surface roughness measurement of 42 nm. Substrates coated with CTS film showed uniformity, which revealed the coated surface shape and design. A precise measurement of the substrate temperature was made. EDX confirmed Cu-Sn-S composition. For solar collector applications, thin films deposited in CTS were treated with a blue laser source with a 405 nm wavelength.
  • Retraction: Temperature Effect on the Characterization of Iron Oxide Nanoparticles Prepared by Hydrothermal Technique
    Ahmed B. Taha, Mohammed Shaalan Essa, Bahaa Toama Chiad
    Aip Conference Proceedings, 2023
  • Characterization of iron oxide nano particles prepared by sonochemical method
    Ahmed B. Taha, Mohammed Sh. Essa, Bahaa T. Chiad
    Aip Conference Proceedings, 2023
  • Comparison Consequence of Violet and Red Laser Irradiation on the Optical Properties of Cobalt Dioxide (CoO2) Thin Films Prepared via (SCSPT)
    Mushtaq Talib Al-Helaly, Bahaa T. Chiad, Nathera A. Al-Tememee, Mohammed Sh. Essa
    Aip Conference Proceedings, 2023
    Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation Mushtaq Talib Al-Helaly, Bahaa T. Chiad, Nathera A. Al-Tememee, Mohammed Sh. Essa; Comparison consequence of violet and red laser irradiation on the optical properties of cobalt dioxide (CoO2) thin films prepared via (SCSPT). AIP Conference Proceedings 13 February 2023; 2414 (1): 030020. https://doi.org/10.1063/5.0116760 Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAIP Publishing PortfolioAIP Conference Proceedings Search Advanced Search |Citation Search
  • Study the Effect of Reaction Time on Preparation of Iron Oxide Nanoparticles by Hydrothermal Technique
    Ahmed Basim Taha, Mohammed Shaalan Essa, Bahaa Toama Chiad
    Materials Science Forum, 2023
    In this research, a homemade autoclave reactor was used for preparing iron oxide nanoparticles by hydrothermal technique at different reaction times by using ferric chloride, ferrous sulfate, and ammonium hydroxide as raw materials. The XRD characterization showed that the nanoparticles of the samples have high crystallinity with the crystal phase of magnetite, furthermore, the crystal phase of hematite appears clearly as the reaction time increased. The SEM results showed when the time of reaction increased the average particle size increased too from 28.1 to 49.2 nm. That means the reaction time is an effective parameter for the nanoparticle's growth, The EDX spectrum verified the confirmation of iron oxide nanoparticles by the appearance of Iron and Oxygen peaks. The FT-IR results showed that all samples have an absorption peak at about 578 cm-1 corresponding to the Fe-O bond stretching modes of the in magnetite and the peak of hematite appeared as the reaction time increased above 2 hours which was confirmed with XRD results. Finally, the reaction time is a powerful tool for controlling in size and phase of nanoparticle preparation. Keywords: Hydrothermal, Iron Oxide, Reaction time, magnetite, and hematite.
  • Spectroscopic Study of Iron Oxide Nanoparticles Synthesized Via Hydrothermal Method
    Chemical Methodologies, 2022
  • Effect of Red Laser Irradiation on the Optical Properties of Cobalt oxide (CoO2) Thin Films deposited via Semi-Computerized Spraying Technique
    Bahaa T. Chiad, Mushtaq T. Al-Helaly, Mohammed Sh. Essa, Nathera A. Al-Tememee
    Journal of Physics Conference Series, 2021
    The existing investigation explains the consequence of irradiation of red laser on the optic properties of (CoO2) films. The film was equipped by the utilization of semi-computerized spray pyrolysis technique (SCSPT), it is the first time that this technique is used in the preparation and irradiation using a laser in this technique. From the XRD analysis, the crystalline existence with trigonal crystal system was when the received films were processed by continuous red laser (700 nm) with power (>1000mW)for different laser irradiation time using different number of times a laser scan (0, 6, 9, 12, 15 and 18 times) with total irradiation time(0,30,45,60,75,90 min) respectively at room temperature. The optic properties of CoO2 thin samples was struck by light of red laser. The parameters such as the absorbance, coefficient of absorption coefficient of extinction refractive index, optic conductivity, the realϵ_1 and imaginaryϵ_2part of the dielectric constant of the films rises subsequently by laser irradiation, only the transmittance was decremented with laser ray of light. The optic energy gap was reduced from (1.91eV) without irradiation to (1.57eV) and subsequent laser irradiation, and there is a great alteration of optical energy gap values for photovoltaic (PV) utilization. As the results showed that the laser irradiation method has a clear change in the optical properties with less time and energy than the traditional annealing methods, this is the aim of the study.
  • Nickel Oxide Thin Films Grooved by Laser Processing
    Omar Shakir Shafeq, Bahaa Fakhry Shehab, Mohammed Sh. Essa, Baha T. Chiad
    Iop Conference Series Materials Science and Engineering, 2020
    Nickelous oxide thin films were successfully deposited onto glass substrates via a fully computerized system of Spray pyrolysis technique. The substrate was maintained at 350°C. Dichloronickel tetrahydrate was used as the raw chemical material. XRD investigation revealed a cubic phase of NiO crystal structure. XRD diffraction patterns were found peaks at 2θ = 37.280°, 43.297°, 62.916 and 79.542°, respectively The FTIR certified vibration mode of Ni-O bonds. Debye-Scherrer's formula found out the grains at 21 nm. Absorption spectrum recorded in the wavelength range of 350-850 nm. Morphology of NiO films was uniformly coated with good surface distribution. The fabricated film was grooved by a blue laser source of 500mW power. Laser grooving process produced a groove width of about 34 μm.
  • NiO Thin Layers Prepared via Computerized Spraying System
    Mohammed Sh. Essa, Bahaa T. Chiad, Zaid L. Hadi
    Journal of Physics Conference Series, 2019
    Spray pyrolysis technique was employed for depositing Nickel oxide thin films onto glass substrates at 350±10 °C. An aqueous solution of NiCl2.4[H2O] within 0.01 M used for spraying. XRD examination revealed polycrystalline cubic phase of NiO thin films. The crystallinity growth along (111), (200), and (202) planes at 2θ = 37.28°, 43.29°, and 62.91°, respectively. AFM was examined and showed low roughness in the selected area. Thickness was calculated using Fizeau Fringes interferometric method that found around 175 nm. FTIR investigation endorses the vibration mode of the Ni-O bond. The absorption investigation was carried out in the range 350-750 nm, and the energy band gap was found to be about 3.68 eV. The microscopic imaging showed an adequate surface morphology with fine distribution of coating on the substrate.
  • Ternary Cu2SnS3 Thin Films Deposited by Fully Controlled System of Spray Pyrolysis
    Zaid L. Hadi, Mohammed Sh. Essa, Bahaa T. Chiad
    Journal of Physics Conference Series, 2019
    A fully computerized system of spray pyrolysis was employed for fabricating copper tin sulphite ternary thin film onto glass substrates. During deposition process, the glass substrate was maintained at 310 ± 10 °C. After dissolving the raw chemicals, a mixture of their aqueous solutions was used for spraying process. The optimum solution mixture at the volumetric ratio [S/(Cu+Sn)=1] at 1.5 of pH. XRD investigation was approved a monoclinic phase of CTS. A number of different platform speed was tested in the deposition process. XRD diffraction peaks were described at 2θ = 28.39°, 33.02°, 47.34°, and 56.39° corresponding to the ( 2 ¯ 1 ¯ 1 ) ( 2 ¯ 0 6 ) , ( 2 ¯ 0 10 ) , and ( 3 ¯ 2 ¯ 10 ) , respectively. These are crystal planes of monoclinic copper tin sulphide. The FTIR study certified a number of the chemical bond of Cu-, Sn- and S-. The grain size was observed in the range of nano using Scherrer formula. Studying surface morphology of CTS films reveals a uniform coating on the substrates which approved by SEM investigations.
  • Time of store effect on the structure and photophysical properties of the heated fat of the plant
    Iraqi Journal of Science, 2019
  • Preparation of Nanoparticles Copper Oxide using an Atmospheric-Pressure Plasma Jet
    Ahmed A Anber, Mohammed Sh Essa, Ghada A Kadhim, Shaymaa S Hashim
    Journal of Physics Conference Series, 2018
  • Mathematical Calculations of Heat Transfer for the CNC Deposition Platform Based on Chemical Thermal Method
    Mohammed Sh. Essa, Bahaa T. Chiad, Khalil A. Hussein
    Journal of Physics Conference Series, 2018
  • A study of heating effect on the structural and optical absorbance of olive oil
    Mays K. Ali, M. Essa, B. T. Chiad
    Iraqi Journal of Science, 2018
  • Fabrication of nanostructured silver liquid by atmospheric-pressure plasma jet for bacteriological applications
    Ahmed Abed Anber, Mohammed Shalan Essa, Ghada Ayad Kadhim, Ali Jabar Fraih, Adil A. Anber, Farqad F. Edin, Ammar S. Hameed
    Journal of Bionanoscience, 2018
  • Macro controlling of copper oxide deposition processes and spray mode by using home-made fully computerized spray pyrolysis system
    Mohammed Sh. Essa, Bahaa T. Chiad, Omer Sh. Shafeeq
    Aip Conference Proceedings, 2017

RECENT SCHOLAR PUBLICATIONS

  • Cu2SnS3 Thin Films Deposited via Automated Spray Pyrolysis System for Solar Collectors Applications
    ZL Hadi, MS Essa, BT Chiad
    Iraqi Journal of Science, 525-533 , 2025
    2025
    Citations: 1
  • Characterization of iron oxide nano particles prepared by sonochemical method
    AB Taha, MS Essa, BT Chiad
    AIP Conference Proceedings 2834 (1), 090026 , 2023
    2023
    Citations: 1
  • Comparison consequence of violet and red laser irradiation on the optical properties of cobalt dioxide (CoO 2 ) thin films prepared via (SCSPT)
    MT Al-Helaly, BT Chiad, NA Al-Tememee, MS Essa
    AIP Conference Proceedings 2414 (1), 030020 , 2023
    2023
    Citations: 2
  • Spectroscopic study of iron oxide nanoparticles synthesized via hydrothermal method
    AB Taha, MS Essa, BT Chiad
    Chem. Methodol 6 (12), 977-984 , 2022
    2022
    Citations: 36
  • Effect of Red Laser Irradiation on The Optical Properties of Cobalt oxide (CoO 2 ) Thin Films deposited via Semi-Computerized Spraying Technique
    BT Chiad, MT Al-Helaly, MS Essa, NA Al-Tememee
    Journal of Physics: Conference Series 1897 (1), 012066 , 2021
    2021
  • Nickel Oxide Thin Films Grooved by Laser Processing
    OS Shafeq, BF Shehab, MS Essa, BT Chiad
    IOP Conference Series: Materials Science and Engineering 928 (7), 072016 , 2020
    2020
    Citations: 2
  • A Review of Important Prerogatives Using of Atmospheric-Pressure Plasma Jet to Sterilize Hospitals and Quarantine Room to Reduce the Spread of Diseases in Iraq
    AA Anber, M Essa, HN Abbas
    Iraqi Journal of Natural Sciences and Nanotechnology 1, 7-12 , 2020
    2020
  • NiO Thin Layers Prepared via Computerized Spraying System
    M Sh. Essa, BT Chiad, ZL Hadi
    Journal of Physics: Conference Series 1279 (1), 012065 , 2019
    2019
    Citations: 2
  • Ternary Cu2SnS3 thin films deposited by fully controlled system of spray pyrolysis
    ZL Hadi, MS Essa, BT Chiad
    Journal of Physics: Conference Series 1234 (1), 012041 , 2019
    2019
    Citations: 7
  • Preparation of nanoparticles copper oxide using an atmospheric-pressure plasma jet
    AA Anber, MS Essa, GA Kadhim, SS Hashim
    Journal of Physics: Conference Series 1032 (1), 012009 , 2018
    2018
    Citations: 12
  • Mathematical Calculations Of Heat Transfer For The CNC Deposition Platform Based On Chemical Thermal Method
    MS Essa, BT Chiad, KA Hussein
    Journal of Physics: Conference Series 1003 (1), 012113 , 2018
    2018
    Citations: 3
  • A Study of Heating Effect on the Structural and Optical Absorbance of Olive Oil
    M Ali
    Iraqi Journal of Science , 2018
    2018
  • Macro controlling of copper oxide deposition processes and spray mode by using home-made fully computerized spray pyrolysis system
    MS Essa, BT Chiad, OS Shafeeq
    AIP Conference Proceedings 1888 (1), 020021 , 2017
    2017
    Citations: 7
  • Effect of low level nozzle height on properties of copper oxide absorption layer prepared by fully computerized spray pyrolysis depositions
    MS Essa
    Iraqi Journal of Physics 15 (32), 13-20 , 2017
    2017
  • The Effect of Deposition Platform Speed on Structural and Optical Properties of CuO Thin Films Prepared by Home-Made Fully Computerized Spray Pyrolysis Deposition System
    MS Essa, BT Chiad
    Iraqi Journal of Physics 15 (32), 13-20 , 2017
    2017
  • Study the Effect of Deposition Location on the Optical Properties of CuO Absorption Layer Prepared by Fully Computerized Spray Pyrolysis Deposition
    MS Essa, BT Chiad
    Iraqi Journal of Science 57 (4A), 2436-2443 , 2016
    2016
  • Motional Response Measurement System for Testing Physical Education Colleges Players by using optical exciter
    SGR B.T.Chiad, Mohammed. Sh. Essa, Mohammed. K. Khalaf
    2016
  • Manufacture ohmic contact of low- resistance and high transparency of ITO as an alternative to conventional masks used in solar cell and photovoltaic sensors conductor
    JAA Mohammed. Sh. Essa, B. T. Chiad, Ali.Z.Menshid
    2014
  • Structural and Optoelectronical Properties of In2S3 Thin Films Prepared by CSP Technique for Solar Cell Application
    JAA Dr. B. T. Chiad, M. Sh. Essa, M.D.Abd-aljabar
    Eng. &Tech.Journal 32 (4), 629 -636 , 2014
    2014
  • Fabrication and Characterization of CIS Thin Films Prepared By CSP Technique
    MS Essa
    University of Baghdad/ College of Science / Dept.of Physics , 2009
    2009

MOST CITED SCHOLAR PUBLICATIONS

  • Spectroscopic study of iron oxide nanoparticles synthesized via hydrothermal method
    AB Taha, MS Essa, BT Chiad
    Chem. Methodol 6 (12), 977-984 , 2022
    2022
    Citations: 36
  • Preparation of nanoparticles copper oxide using an atmospheric-pressure plasma jet
    AA Anber, MS Essa, GA Kadhim, SS Hashim
    Journal of Physics: Conference Series 1032 (1), 012009 , 2018
    2018
    Citations: 12
  • Ternary Cu2SnS3 thin films deposited by fully controlled system of spray pyrolysis
    ZL Hadi, MS Essa, BT Chiad
    Journal of Physics: Conference Series 1234 (1), 012041 , 2019
    2019
    Citations: 7
  • Macro controlling of copper oxide deposition processes and spray mode by using home-made fully computerized spray pyrolysis system
    MS Essa, BT Chiad, OS Shafeeq
    AIP Conference Proceedings 1888 (1), 020021 , 2017
    2017
    Citations: 7
  • Mathematical Calculations Of Heat Transfer For The CNC Deposition Platform Based On Chemical Thermal Method
    MS Essa, BT Chiad, KA Hussein
    Journal of Physics: Conference Series 1003 (1), 012113 , 2018
    2018
    Citations: 3
  • Comparison consequence of violet and red laser irradiation on the optical properties of cobalt dioxide (CoO 2 ) thin films prepared via (SCSPT)
    MT Al-Helaly, BT Chiad, NA Al-Tememee, MS Essa
    AIP Conference Proceedings 2414 (1), 030020 , 2023
    2023
    Citations: 2
  • Nickel Oxide Thin Films Grooved by Laser Processing
    OS Shafeq, BF Shehab, MS Essa, BT Chiad
    IOP Conference Series: Materials Science and Engineering 928 (7), 072016 , 2020
    2020
    Citations: 2
  • NiO Thin Layers Prepared via Computerized Spraying System
    M Sh. Essa, BT Chiad, ZL Hadi
    Journal of Physics: Conference Series 1279 (1), 012065 , 2019
    2019
    Citations: 2
  • Cu2SnS3 Thin Films Deposited via Automated Spray Pyrolysis System for Solar Collectors Applications
    ZL Hadi, MS Essa, BT Chiad
    Iraqi Journal of Science, 525-533 , 2025
    2025
    Citations: 1
  • Characterization of iron oxide nano particles prepared by sonochemical method
    AB Taha, MS Essa, BT Chiad
    AIP Conference Proceedings 2834 (1), 090026 , 2023
    2023
    Citations: 1
  • Effect of Red Laser Irradiation on The Optical Properties of Cobalt oxide (CoO 2 ) Thin Films deposited via Semi-Computerized Spraying Technique
    BT Chiad, MT Al-Helaly, MS Essa, NA Al-Tememee
    Journal of Physics: Conference Series 1897 (1), 012066 , 2021
    2021
  • A Review of Important Prerogatives Using of Atmospheric-Pressure Plasma Jet to Sterilize Hospitals and Quarantine Room to Reduce the Spread of Diseases in Iraq
    AA Anber, M Essa, HN Abbas
    Iraqi Journal of Natural Sciences and Nanotechnology 1, 7-12 , 2020
    2020
  • A Study of Heating Effect on the Structural and Optical Absorbance of Olive Oil
    M Ali
    Iraqi Journal of Science , 2018
    2018
  • Effect of low level nozzle height on properties of copper oxide absorption layer prepared by fully computerized spray pyrolysis depositions
    MS Essa
    Iraqi Journal of Physics 15 (32), 13-20 , 2017
    2017
  • The Effect of Deposition Platform Speed on Structural and Optical Properties of CuO Thin Films Prepared by Home-Made Fully Computerized Spray Pyrolysis Deposition System
    MS Essa, BT Chiad
    Iraqi Journal of Physics 15 (32), 13-20 , 2017
    2017
  • Study the Effect of Deposition Location on the Optical Properties of CuO Absorption Layer Prepared by Fully Computerized Spray Pyrolysis Deposition
    MS Essa, BT Chiad
    Iraqi Journal of Science 57 (4A), 2436-2443 , 2016
    2016
  • Motional Response Measurement System for Testing Physical Education Colleges Players by using optical exciter
    SGR B.T.Chiad, Mohammed. Sh. Essa, Mohammed. K. Khalaf
    2016
  • Manufacture ohmic contact of low- resistance and high transparency of ITO as an alternative to conventional masks used in solar cell and photovoltaic sensors conductor
    JAA Mohammed. Sh. Essa, B. T. Chiad, Ali.Z.Menshid
    2014
  • Structural and Optoelectronical Properties of In2S3 Thin Films Prepared by CSP Technique for Solar Cell Application
    JAA Dr. B. T. Chiad, M. Sh. Essa, M.D.Abd-aljabar
    Eng. &Tech.Journal 32 (4), 629 -636 , 2014
    2014
  • Fabrication and Characterization of CIS Thin Films Prepared By CSP Technique
    MS Essa
    University of Baghdad/ College of Science / Dept.of Physics , 2009
    2009

RESEARCH OUTPUTS (PATENTS, SOFTWARE, PUBLICATIONS, PRODUCTS)

4 Patents

Industry, Institute, or Organisation Collaboration

M.O.S.T