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      1-propanol 첨가에 따른 이산화타이타늄(TiO<sub>2</sub>) 광 촉매의 비표면적 향상 및 이산화탄소 환원 효율 향상 = Improvement of Carbon Dioxide Reduction Efficiency of Titanium Dioxide Photocatalyst Using 1-propanol

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      https://www.riss.kr/link?id=A108289104

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      Recently, the problem of global warming caused by greenhouse gases is getting serious due to the development of industry and the increase in transportation means. Accordingly, the need for a technology to reduce carbon dioxide, which accounts for most...

      Recently, the problem of global warming caused by greenhouse gases is getting serious due to the development of industry and the increase in transportation means. Accordingly, the need for a technology to reduce carbon dioxide, which accounts for most of the greenhouse gas, is increasing. Among them, a catalyst for converting carbon dioxide into fuel is being actively studied. Catalysts for reducing carbon dioxide are classified into thermal catalysts and photocatalysts. In particular, the photocatalyst has the advantage that carbon dioxide can be reduced only by irradiating ultraviolet rays at room temperature without high temperature or additional gas. TiO<sub>2</sub> is widely used as a photocatalyst because it is non-toxic and has high stability, but has a disadvantage of low carbon dioxide reduction efficiency. To increase the reduction efficiency, 1-propanol was used in the synthesis process. This prevents agglomeration of the catalyst and increases the specific surface area and pores of TiO<sub>2</sub>, thereby increasing the surface area in contact with carbon dioxide. As a result of measuring the CO<sub>2</sub> reduction efficiency, it was confirmed that the efficiency of TiO<sub>2</sub> with 1-propanol and TiO<sub>2</sub> without 1-propanol was 19% and 12.3%, respectively, and the former showed a 1.5 times improved efficiency.

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