|
Type |
Symposium |
Area |
Synthesis and Application of Multifunctional Nanocatalyst Materials |
Room No. |
Room 405+406 |
Time |
THU 16:05-16:30 |
Code |
MAT1-2 |
Subject |
Advanced TiO2 Nanomaterials for Photocatalytic Applications |
Authors |
Jongmin Choi Department of Energy Science & Engineering, Daegu Gyeongbuk Institute of Science & Technology, Korea |
Abstract |
Titanium dioxide (TiO2) is one of the most popular photocatalytic materials because of their abundance, low material cost, and outstanding chemical and photochemical stability. With these benefits, TiO2 nanomaterials are widely applied in photocatalytic applications including hydrogen production, air pollutant degradation, water purifications etc. Despite their promising characteristics, several characteristics of TiO2 stand to be improved further. For example, TiO2 has narrow light harvesting absorption window, and TiO2 nanoparticles, which is the most widely used TiO2 nanostructure, suffers from the catalyst deactivation which is induced by the accumulation and strong adsorption of by-products induced by photocatalytic reactions.
To address these issues, we developed freestanding doubly open-ended TiO2 nanotube membrane via facile fabrication process and chemical engineering. These advanced TiO2 nanomaterials demonstrated promising photocatalytic activities for water splitting and degradation of volatile organic compounds compared to those of conventional TiO2 nanoparticles. In this presentation, I will introduce design, synthesis, engineering and applications of these advanced TiO2 nanomaterials. |
E-mail |
whdals1062@dgist.ac.kr |
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