Guest Editors
Prof. Dr. Ramesh Sharma
Email: sharmadft@gmail.com
Affiliation: Department of Applied Sciences, Feroze Gandhi
Institute of Engineering & Technology, India
Homepage:
Research Interests: chalcogenide thermoelectric materials, First-principles theory, electronic and phonon transport behavior, energy conversion, band-structure, thermal conductivity, waste-heat
recovery
Prof. Muhammad Ijaz Khan
Email: mkhan1@pmu.edu.sa
Affiliation: Department of Mechanical Engineering, College of Engineering, Prince Mohammad Bin Fahd University, Al-Khobar, Saudi Arabia
Homepage:
Research Interests: thermal energy storage, nano-enhanced phase change materials, hybrid nanofluids, nanotechnology, entropy analysis, and heat transfer
Summary
1. Background and Importance:
Chalcogenide thermoelectric materials are strong candidates for solid-state
energy conversion because they naturally exhibit low lattice thermal conductivity and their electronic properties can be adjusted. Their flexible structures and chemical compositions make it possible to improve performance effectively, supporting applications in waste-heat recovery and sustainable energy systems.
2. Aim and Scope:
This Special Issue focuses on recent advances in chalcogenide thermoelectric materials, covering sulfide, selenide, and telluride systems. It highlights progress in material design, characterization, and theoretical modeling, with particular attention to how structure and chemistry influence transport behavior and overall thermoelectric performance. We welcome contributions on experimental synthesis, defect and band engineering, nanostructuring, and computational approaches such as first-principles and Boltzmann transport simulations. The issue aims to connect fundamental research with practical applications in energy conversion. New methods including machine learning, high-entropy materials, and low-dimensional chalcogenides are expanding the possibilities for optimizing thermoelectric efficiency over wide temperature ranges. Despite these advances, a comprehensive framework that combines theory, computation, synthesis, and device-level analysis remains needed.
3. Suggested Themes:
· Sulfide-, selenide-, and telluride-based thermoelectric materials
· Defect chemistry, doping, and band structure engineering
· Phonon transport and lattice thermal conductivity reduction
· Low-dimensional, layered, and nanostructured chalcogenides
· First-principles calculations and transport modelling
· Temperature-dependent thermoelectric properties and stability
· Interplay of topology and electronic correlations in chalcogenide materials
Keywords
chalcogenide thermoelectrics, energy conversion, transport properties; defect engineering, first-principles calculations, sulfides, selenides, and tellurides
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