Development of semiconductors and catalysts
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I focus on the fabrication of efficient photoelectrode and electrocatalyst by employing a variety of methods and investigate the physicochemical properties of developed materials.
# Surface reconstruction
Reorganizing surface atoms or structures through surface reconstruction is an effective approach for manipulating the electrical, electrochemical, and surface catalytic properties of materials. My research focuses on achieving surface reconstruction through various methods.
# Flame treatment
Flame treatment has the unique advantages of high temperature and an ultra-fast heating rate (~1000 ℃/s), enabling the rapid introduction of defects in the photoelectrode within a few seconds and facilitating the fabrication/design of nanomaterials.
# Texture & Facet Engineering
Texture and facet engineering can control the crystallographic orientation and exposure of material planes, simultaneously enhancing spatial charge separation and transfer efficiencies.
# Defect Engineering
Defects play a vital role in the intrinsic properties of materials, particularly in (photo)electrocatalysts. The formation of cationic/anionic vacancies can improve charge carrier concentration and surface adsorption sites, thereby enhancing overall catalyst properties.
# Heterostructure Engineering
Heterostructure engineering, that is, combining and assembling dissimilar materials into a single substrate, is commonly applied for forming type-2 heterojunctions and enables efficient light absorption and charge separation.
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