Scholars@Duke
Xiawa Wang

Xiawa Wang

Assistant Professor of Material Science at Duke Kunshan University
DKU Faculty

Selected Publications

Impact of the rhenium substitution on the oxygen evolution reaction of spinel CoFe2O4

Journal Article Journal of Materials Chemistry A · June 25, 2024 Structure engineering is a powerful tool for tuning various properties and making CoFe2O4 (CFO) a prime candidate for electrocatalyst applications, especially in improving the oxygen evolution reaction (OER) performance. In this work, we explored rhenium s ... Full text Cite

Modeling and implementation of multilayer insulation for small-scale ultrahigh temperature systems

Journal Article Applied Thermal Engineering · May 15, 2024 Thermal energy-based portable electrical sources have garnered increasing academic attention because of their high efficiency, high energy density, and exceptional portability. The insulation of heat sources significantly impacts power generation efficienc ... Full text Cite

Colloidal lithography patterning of silicon based solar absorber

Conference Proceedings of SPIE - The International Society for Optical Engineering · January 1, 2024 This research investigates silicon-based absorbers to efficiently convert solar energy into heat in order to initiate chemical or physical reactions. We designed structures that utilize colloidal lithography to nano-pattern silicon-based solar absorbers as ... Full text Cite

Impact of Absorption on the Bulk Photovoltaic Effect of Polycrystalline Bismuth Ferrite Thin Films

Conference PowerMEMS 2023 - 2023 IEEE 22nd International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications · January 1, 2023 In this work, we investigated the bulk photovoltaic effect of bismuth ferrite (BFO) thin films. The BFO photovoltaic cell was constructed using a vertical structure between the transparent indium tin oxide (ITO) and a Cu/Ni alloy electrode. The cells were ... Full text Cite

Structural, Optical, Charge-Transport, and Dielectric Properties of Double-Perovskite La2Co1-zFezMnO6 (z = 0, 0.2-1.0).

Journal Article Materials (Basel, Switzerland) · September 2022 A series of double-perovskite La2Co1−zFezMnO6 (z = 0, 0.2−1.0) ceramics were synthesized using a well-established sol−gel method. The series of samples with a monoclinic phase and a P21/n symmetry were characterized by XRD, FTIR, conductivity, and capacita ... Full text Open Access Cite

Effects of Rhenium Substitution of Co and Fe in Spinel CoFe2O4 Ferrite Nanomaterials.

Journal Article Nanomaterials (Basel, Switzerland) · August 2022 In this work, nanoparticles of Co1-xRexFe2O4 and CoFe2-xRexO4 (0 ≤ x ≤ 0.05) were synthesized by the sol-gel method. The Rietveld refinement analysis of XRD and Raman data reveale ... Full text Open Access Cite

Modeling and analysis of cilia generated shear-rate dependant flow

Journal Article International Communications in Heat and Mass Transfer · October 2021 Full text Cite

Thermal Insulation Design of Portable Radioisotope Electrical Generators

Conference 2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) · December 2019 Full text Cite

IGZO/Al2O3 based depressed synaptic transistor

Journal Article Superlattices and Microstructures · April 2019 Full text Cite

A Hybrid Phototransistor Neuromorphic Synapse

Journal Article IEEE Journal of the Electron Devices Society · 2019 Full text Cite

Ultra-sensitive and plasmon-tunable graphene photodetectors for micro-spectrometry

Journal Article Nanoscale · 2018 We demonstrate an ultra-sensitive photodetector based on a graphene/monolayer MoS2 vertical heterostructure working at room temperature. ... Full text Cite

Radioisotope Thermophotovoltaic Generator Design and Performance Estimates for Terrestrial Applications

Conference Volume 3: Nuclear Fuel and Material, Reactor Physics and Transport Theory; Innovative Nuclear Power Plant Design and New Technology Application · July 2, 2017 This work provides the design methods and performance estimates of the radioisotope thermophotovoltaic system (RTPV) for terrestrial applications. The modeling is based on an experimentally tested prototype using two-dimensional high temperature ph ... Full text Cite

Toward high performance radioisotope thermophotovoltaic systems using spectral control

Journal Article Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment · December 2016 Full text Cite

Prototype of radioisotope thermophotovoltaic system using photonic crystal spectral control

Journal Article Journal of Physics: Conference Series · December 10, 2015 Full text Cite