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129th General Meeting of Korean Chemical Society & Exposition Enhanced performance by methylene-blue-doped TiO2 under visible region

Submission Date :
2 / 28 / 2022 , 14 : 19 : 03
Abstract Number :
Presenting Type:
Poster Presentation
Presenting Area :
Material Chemistry
Authors :
Gyeong-Ah Kim, Kyung-Hun Park1,*
Gyeongsang National University, Korea
1Changwon National University, Korea
Assigned Code :
MAT.P-678 Assigend Code Guideline
Presenting Time :
April 14 (THU) 11:00~13:00
At present, a photocatalyst that can adsorb particulate matter (PM) with an electric charge is a popular method for PM reduction. Some commonly used photocatalysts comprise single metal oxides such as TiO2 and ZnO, which could be utilized under ultraviolet (UV) region. However, because UV region constitutes a very small part of the total wavelength of sunlight, technology needs to be developed that allows the utilization of the visible region as well. Herein, we developed a new organic material that activated under not only UV region but also visible region by utilizing methylene blue (MB) with TiO2. To make the TiO2 –MB film adsorb well, we discuss various solvents, concentration controls, and even coating methods. By conducting NO removal test, we showed that it is possible to reduce the PM more effectively by using TiO2 –MB film than that achieved using TiO2 alone.