Browsing Material Science & Engineering by Author "Abebe, Mulualem"

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All-Inorganic CsPbBr3 Perovskite Nanocrystals Synthesized with Olive Oil and Oleylamine at Room Temperature Article

Welyab, Getachew; Abebe, Mulualem; Mani, Dhakshnamoorthy; Thankappan, Aparna; Thomas, Sabu; Aga, Fekadu Gochole; Kim, Jung Yong (2023-06-29)

Room temperature (RT) synthesis of the ternary cesium lead bromide CsPbBr3 quantum dots with oleic acid and oleylamine ligands was developed by Zeng and coworkers in 2016. In their works, the supersaturated recrystallization ...
A Blue-Light-Emitting 3 nm-Sized CsPbBr3 Perovskite Quantum Dot with ZnBr2 Synthesized by Room-Temperature Supersaturated Recrystallization Article

Idosa, Dula Adugna; Abebe, Mulualem; Mani, Dhakshnamoorthy; Thankappan, Aparna; Thomas, Sabu; Aga, Fekadu Gochole; Kim, Jung Yong (2023-07-11)

Recently, tuning the green emission of CsPbBr3 quantum dots (QDs) to blue through quantum size and confinement effects has received considerable attention due to its remarkable photophysical properties. However, the ...
Computational study of the effects of phosphorus doping on structural, electronic, and thermoelectric properties of Mg2Si0.5Sn0.5 alloy Thesis

Denboba, Sultan Mulisa; Abebe, Mulualem; Femi, Olu Emanuel (2022-06-25)

Energy consumption is increasing, necessitating the development of more efficient energy conversion materials. Thermoelectric materials are used to convert waste heat to electricity. Recently, Mg2X (X = Si, Ge, Sn) and ...
Computational study of the effects of silicon doping on structural, electronic and the born effective charge properties of monoclinic HfO2 ferroelectric material Thesis

Geta, Tseganesh Gensa; Abebe, Mulualem; Demiss, Solomon (2022-11-24)

In this study, the structural, electronic, and born-effective charge properties of silicon (Si) doped were investigated with respect to density functional theory by using the Quantum Espresso Package. The local density ...
Hydrothermal Synthesis of Heterostructured g-C3N4/Ag–TiO2 Nanocomposites for Enhanced Photocatalytic Degradation of Organic Pollutants Article

Sewnet, Agidew; Alemayehu, Esayas; Abebe, Mulualem; Mani, Dhakshnamoorthy; Thomas, Sabu; Lennartz, Bernd (2023-08-07)

: In this study, heterostructured g-C3N4/Ag–TiO2 nanocomposites were successfully fab ricated using an easily accessible hydrothermal route. Various analytical tools were employed to investigate the surface morphology, ...
Phase Behavior and Role of Organic Additives for Self-Doped CsPbI3 Perovskite Semiconductor Thin Films Article

Kebede, Tamiru; Abebe, Mulualem; Mani, Dhakshnamoorthy (2023-08-14)

The phase change of all-inorganic cesium lead halide (CsPbI3 ) thin film from yellow δ-phase to black γ-/α-phase has been a topic of interest in the perovskite optoelectronics field. Here, the main focus is how to secure ...
Self-powered white light photodetector with enhanced photoresponse using camphor sulphonic acid treated CsPbBr3 perovskite in carbon matrix Article

Dhakshnamoorthy, M.; A, Kathirvel; S, Mohan Raj; Ancha, Venkata Ramayya; Abebe, Mulualem (2023-03-17)

The surface modification of CsPbBr3 perovskite provides an effective way of defect passivation for device ap plications. In this work, Camphor sulfonic acid (CSA) was used to modify the surface of CsPbBr3 microcrystals ...
Single-Step Synthesis of Graphitic Carbon Nitride Nanomaterials by Directly Calcining the Mixture of Urea and Thiourea: Application for Rhodamine B (RhB) Dye Degradation Article

Sewnet, Agidew; Alemayehu, Esayas; Abebe, Mulualem; Mani, Dhakshnamoorthy; Thomas, Sabu; Kalarikkal, Nandakumar; Lennartz, Bernd (2023-02-17)

Recently, polymeric graphitic carbon nitride (g-C3N4 ) has been explored as a potential catalytic material for the removal of organic pollutants in wastewater. In this work, graphitic carbon nitride (g-C3N4 ) photocatalysts ...
Synergetic Effect of Three-in-One Nanocomposite Based on AuNPs and rGO-MWCNTs for Ultrasensitive Electrochemical Bio Diagnostic Applications Article

Zewdu, Mesfin; Sandhu, Taniya; Kaur, Navjeet; Abebe, Mulualem; Olu, Femi; Sabherwal, Priyanka (2023-04-25)

A simple, two-step AuNPs/rGO-MWCNTs nanocomposite fabrication methodology, via drop-casting of rGO-MWCNTs on bare screen printed electrode (SPE) followed by electrodeposition of AuNPs through voltammetric scanning, without ...
Visible-Light-Driven g-C3N4/TiO2 Based Heterojunction Nanocomposites for Photocatalytic Degradation of Organic Dyes in Wastewater: A Review Article

Sewnet, Agidew; Abebe, Mulualem; Asaithambi, Perumal; Alemayehu, Esayas (2022-07-07)

Water pollution by organic contaminants is one of the most severe issues confronting the world today as a result of the rapid increase of industrialization, urbanization, human population growth, and advances in agricultural ...

Browsing Material Science & Engineering by Author "Abebe, Mulualem"

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