Dr Dimuthu Herath Mudiyanselage

NameDr Dimuthu Herath Mudiyanselage
Email Addressdimuthu.herathmudiyanselage@unisq.edu.au
Job TitleLecturer (Mechanical Engineering)
QualificationsBSc Moratuwa, MScMEng Yonsei University, PhD QUT
DepartmentSchool of Engineering
ORCIDhttps://orcid.org/0000-0002-2751-3418
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Biography

Dr. Dimuthu Herath Mudiyanselage is a Lecturer at the University of Southern Queensland, recognized for his expertise in computational modelling and advanced theoretical investigations of nanomaterials. His research encompasses a wide range of materials, including ferroelectric, thermoelectric, electrocatalyst, and photocatalyst materials, with a particular focus on applications in wearable energy generation devices, antibacterial surfaces, and neuromorphic computing and energy. Mudiyanselage’s proficiency spans from nanoscale density functional theory (DFT) calculations to large-scale simulations such as finite element analysis (FEA) and molecular dynamics (MD) simulations, which are critical tools in understanding and developing advanced materials and interfaces.

His contributions to the field have been recognized through numerous awards and scholarships, including the Korean Government Scholarship, the QUT HDR Scholarship, and the High Achiever Award from QUT. He is also the co-inventor of a US-patented thermoelectric device architecture, highlighting his research excellence and commitment to innovation.

Employment

PositionOrganisationFromTo
LecturerUniversity of Southern Queensland2023

Expertise

Computational Modelling and Simulations

Finite Element Analysis

Molecular Dynamics

Density Functional Theory (DFT) Calculations

Teaching

Course Coordination

-Mechanical and mechatronic system design (MEC3303)

-Mechanical Engineering Operations and Maintenance Project (MCH2312)

-Topics in Engineering Operations & Maintenance. (MCH2302)

-Technology Design Project (ENG3111)

-Engineering materials (MEC1201)

-Engineering Fundamentals A (ENP1002)

Other Taught Courses

- Solid modelling (MEC2304)

- Design of Machine Elements (MEC2301)

- Civil Engineering Foundation A (CVL1201)

- Advance system design and innovation (EBE6002)

Fields of Research

  • 340701. Computational chemistry
  • 401706. Numerical modelling and mechanical characterisation
  • 401807. Nanomaterials
BSc
Moratuwa
2013
MScMEng
Yonsei University
2017
PhD
QUT
2022

Supervision Interests

Computational design of high performing Electrocatalytic materials

Current Supervisions

Research TitleSupervisor TypeLevel of StudyCommenced
Computational Design of the Electrocatalyst for Energy and Environmental ApplicationsAssociate SupervisorDoctoral2024
Novel MXene/CNT (PEDOT:PSS) nanocomposite for enhancing the electrical and mechanical propertiesAssociate SupervisorDoctoral2023
DateNameAwarding organisationUnderpinning research
2018Thermoelement and a wearable device comprising the sameThe United States Patent Advanced Thermoelectric Design: From Materials and Structures to Devices

Prediction of two-dimensional ferroelectric metal Mxenes

Wijethunge, Dimuthu, Zhang, Lei and Du, Aijun. 2021. "Prediction of two-dimensional ferroelectric metal Mxenes." Journal of Materials Chemistry C. 9 (34), pp. 11343-11348. https://doi.org/10.1039/D1TC02213J

Interfacing 2D VS2 with Janus MoSSe: Antiferromagnetic electric polarization and charge transfer driven Half-metallicity

Wijethunge, Dimuthu, Zhang, Lei, Tang, Cheng, Sanvito, Stefano and Du, Aijun. 2021. "Interfacing 2D VS2 with Janus MoSSe: Antiferromagnetic electric polarization and charge transfer driven Half-metallicity." Applied Surface Science. 570. https://doi.org/10.1016/j.apsusc.2021.151129

Bandstructure engineering in 2D materials using Ferroelectric materials

Wijethunge, Dimuthu, Tang, Cheng, Zhang, Chunmei, Zhang, Lei, Mao, Xin and Du, Aijun. 2020. "Bandstructure engineering in 2D materials using Ferroelectric materials." Applied Surface Science. 513. https://doi.org/10.1016/j.apsusc.2020.145817

Tuning band alignment and optical properties of 2D van der Waals heterostructure via ferroelectric polarization switching

Wijethunge, Dimuthu, Zhang, Lei, Tang, Cheng and Du, Aijun. 2020. "Tuning band alignment and optical properties of 2D van der Waals heterostructure via ferroelectric polarization switching." Frontiers of Physics. 15. https://doi.org/10.1007/s11467-020-0987-z

New evaluation parameter for wearable thermoelectric generators

Wijethunge, Dimuthu and Kim, Woochul. 2018. "New evaluation parameter for wearable thermoelectric generators ." Journal of Applied Physics. 123 (14). https://doi.org/10.1063/1.5018762

Simplified human thermoregulatory model for designing wearable thermoelectric devices

Wijethunge, Dimuthu, Kim, Donggyu and Kim, Woochul. 2018. "Simplified human thermoregulatory model for designing wearable thermoelectric devices." Journal of Physics D: Applied Physics. 51. https://doi.org/10.1088/1361-6463/aaa17e

Flexible thermoelectric power generation system based on rigid inorganic bulk materials

Eom, Yoomin, Wijethunge, Dimuthu, Park, Hwanjoo, Park, Sang Hyun and Kim, Woochul. 2017. "Flexible thermoelectric power generation system based on rigid inorganic bulk materials." Applied Energy. 206, pp. 649-656. https://doi.org/10.1016/j.apenergy.2017.08.231

More than half reduction in price per watt of thermoelectric device without increasing the thermoelectric figure of merit of materials

Hwang, Junphil, Kim, Hoon, Wijethunge, Dimuthu, Nandihalli, Nagaraj, Eom, Yoomin, Park, Hwanjoo, Kim, Jungwon and Kim, Woochul. 2017. "More than half reduction in price per watt of thermoelectric device without increasing the thermoelectric figure of merit of materials." Applied Energy. 205, pp. 1459-1466. https://doi.org/10.1016/j.apenergy.2017.09.080

Controllable Polarization and Doping in Ferroelectric In2Se3 Monolayers and Heterobilayers via Intrinsic Defect Engineering

Tang, Cheng, Zhang, Lei, Wijethunge, Dimuthu, Ostrikov, Kostya Ken and Du, Aijun. 2021. "Controllable Polarization and Doping in Ferroelectric In2Se3 Monolayers and Heterobilayers via Intrinsic Defect Engineering." The Journal of Physical Chemistry C. 125 (44), pp. 24648-24654. https://doi.org/10.1021/acs.jpcc.1c07141

Metal-free graphene/boron nitride heterointerface for CO2 reduction: Surface curvature controls catalytic activity and selectivity

Mao, Xin, Wijethunge, Dimuthu, Zhang, Lei, Wang, Sufan, Yan, Cheng, Zhu, Zhonghua and Du, Aijun. 2020. "Metal-free graphene/boron nitride heterointerface for CO2 reduction: Surface curvature controls catalytic activity and selectivity." Ecomat. 2 (1). https://doi.org/10.1002/eom2.12013

Computational screening of MN 4 (M= Ti–Cu) based metal organic frameworks for CO 2 reduction using the d-band centre as a descriptor

Mao, Mao, Tang, Cheng, He, Tianwei, Wijethunge, Dimuthu, Yan, Cheng, Zhu, Zhonghua and Du, Aijun. 2020. "Computational screening of MN 4 (M= Ti–Cu) based metal organic frameworks for CO 2 reduction using the d-band centre as a descriptor." Nanoscale. 12 (10), pp. 6188-6194. https://doi.org/10.1039/C9NR09529B

First-Principles Study of the Enhanced Magnetic Anisotropy and Transition Temperature in a CrSe2 Monolayer via Hydrogenation

Munirah, Munirah, Tang, Cheng, Wijethunge, Dimuthu, Qi, Dongchen and Du, Aijun. 2022. "First-Principles Study of the Enhanced Magnetic Anisotropy and Transition Temperature in a CrSe2 Monolayer via Hydrogenation." ACS Applied Electronic Materials. 4 (7), pp. 3240-3245. https://doi.org/10.1021/acsaelm.2c00476

Mat-like flexible thermoelectric system based on rigid inorganic bulk materials

Park, Hwanjoo, Kim, Donggyu, Eom, Yoomin, Wijethunge, Dimuthu, Hwang, Junphil, Kim, Hoon and Kim, Woochul. 2017. "Mat-like flexible thermoelectric system based on rigid inorganic bulk materials." Journal of Physics D: Applied Physics. 50. https://doi.org/10.1088/1361-6463/aa94f7

High efficient nanostructured PbSe0. 5Te0. 5 exhibiting broad figure-of-merit plateau

Nandihalli, Nandihalli, Wijethunge, Dimuthu, Kim, Kyomin, Kim, Jiyong and Gayner, Chhatrasal. 2019. "High efficient nanostructured PbSe0. 5Te0. 5 exhibiting broad figure-of-merit plateau." Journal of Alloys and Compounds. 785, pp. 862-870. https://doi.org/10.1016/j.jallcom.2019.01.105

Thermoelectric properties of Ni0. 05Mo3Sb5. 4Te1. 6 composites with NiSb nanocoating

Nandihalli, Nandihalli, Robert, Liang, Wijethunge, Dimuthu, Zhou, Norman and Kleinke, Holger. 2018. "Thermoelectric properties of Ni0. 05Mo3Sb5. 4Te1. 6 composites with NiSb nanocoating." AIP Advances. 8. https://doi.org/10.1063/1.5038675

Theoretical Study of InxRuy Alloys for Efficient Electrocatalytic Reduction of Nitrate to Ammonia

Fang, Qingchao, Nasir, Md Tarikal, Wijethunge, Dimuthu, Kang, Xuxin, Han, Yun, Yan, Cheng, O'Mullane, Anthony P., Yin, Hanqing and Du, Aijun. 2024. "Theoretical Study of InxRuy Alloys for Efficient Electrocatalytic Reduction of Nitrate to Ammonia." The Journal of Physical Chemistry C. 129 (1), pp. 214-321. https://doi.org/10.1021/acs.jpcc.4c06598

Engineering Interfacial Molecular Interactions on Ag Hollow Fibre Gas Diffusion Electrodes for High Efficiency in CO2 Conversion to CO

Kuang, Yizhu, Chen, Guoliang, Herath Mudiyanselage, Dimuthu, Rabiee, Hesamoddin, Ma, Beibei, Dorosti, Fatereh, Nanjundan, Ashok Kumar, Zhu, Zhonghua, Wang, Hao and Ge, Lei. 2024. "Engineering Interfacial Molecular Interactions on Ag Hollow Fibre Gas Diffusion Electrodes for High Efficiency in CO2 Conversion to CO." Chemistry: A European Journal. 30 (72). https://doi.org/10.1002/chem.202403251

Electric Polarization and Charge Transfer Driven Antiferromagnetic Half-Metallicity in 2D VS2 /MoSSe Heterostructures

Herath, Dimuthu. 2023. "Electric Polarization and Charge Transfer Driven Antiferromagnetic Half-Metallicity in 2D VS2 /MoSSe Heterostructures." Centre for Theoretical and Computational Molecular Science Symposium 2023. Australia 13 - 14 Mar 2023 Australia.