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Hire Dr. Elnaz H.

Canada

USD 15 /hr

Nanotechnology Researcher | Nanomaterial Synthesis & Photocatalysis Expert | Hydrogen & Water Treatment

Profile Summary

I’m a postdoctoral researcher with a PhD in Nanomaterials, specializing in the synthesis, characterization, and application of advanced nanostructures for environmental and energy-related applications. During my postgraduate studies, I extensively explored plasmonic, metallic, metal oxide, nitride, and sulfide nanomaterials using a wide range of synthesis techniques including laser ablation, colloidal synthesis, photo-reduction, and deposition. One of my key achievements was the design and fabrication of an electrical arc discharge setup for the synthesis of nanomaterials, which became a core part of my research. Using this method, I developed various nanostructures based on transition metal oxides (Al₂O₃, Bi₂O₃, ZnO, CuO, TiO₂) and plasmonic nanoparticles (Ag, Cu, Zn, Bi, TiN, ZrN, ZnO) with tunable optical properties. I have a particular interest in bismuth-based nanostructures due to their wide applications in optoelectronics, photocatalysis, and biomedical sciences. My research investigated the influence of synthesis environments (water, organic liquids, liquid nitrogen, urea solutions), electrical parameters (20–100 A), and electrode materials on the structural and photocatalytic properties of bismuth nanostructures. This included in-depth analysis using optical emission spectroscopy (OES) to study species formed in plasma during arc discharge. Additionally, I have hands-on experience in designing photocatalytic testing setups and conducting advanced characterizations using XRD, Raman, FTIR, XPS, EDX, UV-Vis, PL, TEM, HR-TEM, FE-SEM, and photocatalytic performance assessments. I’m open to freelance or collaborative projects related to nanomaterial synthesis, experimental design, data analysis, technical writing, or research consulting.

Subject Matter Expertise

• ☆ Materials Science & Engineering
• ☆ Nanotechnology
• ☆ Public Utilities
• ☆ Water Treatment

Services

• Writing
• Research
• Consulting
• Data & AI

Writing Technical Writing, Creative Writing, General Proofreading & Editing, Translation

Research Technology Scouting, Scientific and Technical Research

Consulting Scientific and Technical Consulting

Data & AI Image Processing, Image Analysis, Data Visualization, Data Mining, Data Processing

Work Experience

Research assistant

Tarbiat Modares University

- Present

Researcher

University of Tabriz

- Present

Teaching Assistant

Tarbiat Moallem University of Tehran

- Present

Teaching experience

Tarbiat Modares University

September 2017 - July 2023

Education

Nanotechnology - Nanomaterials

Tarbiat Modares University

September 2017 - July 2023

Ph.D. (Department of Materials Engineering)

Tarbiat Modares University

2017 - 2023

Nanotechnology - Nanomaterials

Tarbiat Modares University

September 2015 - September 2017

M.Sc. (Department of Materials Engineering)

Tarbiat Modares University

2015 - 2017

B.Sc. (Department of Materials Engineering)

University of Tabriz

2010 - 2014

Certifications

• Mitacs Globalink Research Award - for research in Canada

  Carleton University

  April 2025 - October 2025

Publications

JOURNAL ARTICLE

Hamid Delavari H., Reza Poursalehi, H. Delavari (2025). Ternary Bi2O3/(BiO)2CO3/g-C3N4 multi-heterojunction nanoflakes for highly efficient photocatalytic degradation of dyes and xanthates under visible light . Journal of Science: Advanced Materials and Devices.

E. Hashemi, R. Poursalehi, H. Delavari (2022). A comparative study of the effects of phase composition on optical properties and photocatalytic activity of α-/β-/γ-Bi2O3 multi-heterojunction prepared by submerged DC electrical arc discharge . Materials Technology.

E. Hashemi, R. Poursalehi, H. Delavari (2022). Structural, Optical and Photocatalytic Activity of Multi-heterojunction Bi2O3/Bi2O2CO3/(BiO)4CO3(OH)2 Nanoflakes Synthesized via Submerged DC Electrical Discharge in Urea Solution . Nanoscale Research Letters.

E. Hashemi, Reza Poursalehi, H. Delavari (2022). Shed light on the effect of carrier organic liquids on size, phase composition and optical properties of colloidal bismuth nanoparticles prepared by submerged DC electrical arc discharge . Journal of Materials Research.

E. Hashemi, R. Poursalehi, Hamid Delavari H. (2019). Formation mechanisms, structural and optical properties of Bi/Bi2O3 One dimensional nanostructures prepared via oriented aggregation of bismuth based nanoparticles synthesized by DC arc discharge in water . Materials Science in Semiconductor Processing.

Elnaz Hashemi, Hamed Salimkhani, Paria Palmeh, Aidin Bordbar Khiabani, Saba Matinpour, Hadi Salimkhani, Mehdi Shahedi Asl (2016). Electrophoretic deposition of spherical carbonyl iron particles on carbon fibers as a microwave absorbent composite . Surfaces and Interfaces.

H. Salimkhani, A. Motei Dizaji, E. Hashemi, P. Palmeh, G. Sabeghi, S. Salimkhani (2016). Magnetic and microwave absorptive properties of electrophoretically deposited nano-CoFe 2 O 4 as a 3D structure on carbon fibers . Ceramics International.