Author

Kefyalew Wagari Guji

Observed name: Kefyalew W. Guji

Institutions: Tshwane University of Technology, Bule Hora University

Observed institutions: Ming Chi University of Technology, Tshwane University of Technology, National Taiwan University of Science and Technology, Bule Hora University

ORCID: 0009-0002-7008-5591

Observed ORCID: 0009-0002-7008-5591

OpenAlex ID: A5090613617

First principles study on the structural stability, mechanical stability and optoelectronic properties of alkali-based single halide perovskite compounds XMgI 3 (X = Li/Na): DFT insight

2024 · Kefyalew Wagari Guji, Tesfaye Abebe Geleta, et al. · Nanoscale Advances · 39

Numerical analysis of photovoltaic performance in NaSnCl3 and KSnCl3 perovskite absorber layers for solar energy harvesting: SCAPS-1D study

2024 · Nabil Bouri, Tesfaye Abebe Geleta, et al. · Materials Today Communications · 29

Synthesis and Characterization of Chelidonic Acid and Chelidamic Acid as Organic Anode Materials for Energy Storage

2021 · Fu-Ming Wang, Kefyalew Wagari Guji, et al. · ACS Sustainable Chemistry & Engineering · 16

Resistance dynamics in a solar cell with novel lead-free perovskite absorbers (LiMgI3 and NaMgI3): Performance optimization using SCAPS-1D simulation and impedance spectroscopy

2025 · Nabil Bouri, Tesfaye Abebe Geleta, et al. · Journal of Physics and Chemistry of Solids · 15

In Situ Co–O Bond Reinforcement of the Artificial Cathode Electrolyte Interphase in Highly Delithiated LiCoO2 for High-Energy-Density Applications

2021 · Fu-Ming Wang, Endazenaw Bizuneh Chemere, et al. · ACS Applied Materials & Interfaces · 14

First-principles investigation of bandgap engineering and stability of LiBeZ (Z = P, As) half-Heusler alloys for optoelectronic and thermoelectric applications

2025 · Kefyalew Wagari Guji, Tesfaye Abebe Geleta, et al. · Scientific Reports · 12

Lithium and Potassium Cations Affect the Performance of Maleamate-Based Organic Anode Materials for Potassium- and Lithium-Ion Batteries

2021 · Kefyalew Wagari Guji, Wen-Chen Chien, et al. · Nanomaterials · 9

Effects of cation substitution effects of dicarboxylic acid for energy storage applications

2024 · Kefyalew Wagari Guji, Fu-Ming Wang, et al. · Electrochimica Acta · 3

Silver doped tin oxide for enhanced perovskite solar cells: A DFT and SCAPS-1D study of electronic, optical, and photovoltaic properties

2026 · Kefyalew W. Guji, Habtamu F. Etefa, et al. · Chemical Physics Impact · 1

Tautomerism and nucleophilic addition influence the performance of aqueous organic redox flow batteries of chelidamic acid and chelidonic acid

2024 · Surya Prakash, Alagar Ramar, et al. · Energy Advances · 1

Template-assisted modified g-C3N4 for visible-light-driven degradation of emerging organic pollutants: Mechanistic pathways and toxicity assessment revealed by LC-MS and DFT

2026 · Tesfaye Abebe Geleta, Sabah Elamraoui, et al. · Chemosphere

Effect of alkali-metal substitution on hydrogen storage properties of NaMgH3 hydride perovskites: DFT insights

2026 · Kefyalew Wagari Guji, Tesfaye Abebe Geleta, et al. · International Journal of Hydrogen Energy

Works count: 12

Citation count: 139

H-index: 7

I10-index: 6