화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2022년 봄 (04/06 ~ 04/08, 대전컨벤션센터)
권호 47권 1호
발표분야 분자전자 부문위원회
제목 Highly Robust P3HT-Sensitized TiO2 Ternary Hybrid Catalyst (P3HT/TiO2/Catalyst) for Photochemical CO2 Reduction
초록 Herein, we report a detailed investigation of efficient hybrid photocatalyst system for carbon dioxide reduction. The system is based on a co-assembly of conjugated polymer photosensitizer (P3HT) and molecular Re(I) reduction catalyst on TiO2 semiconductor. The hybrid system consists of P3HT (poly(3-hexylthiophene-2,5-diyl)) as a visible-light photosensitizer and fac-[Re(4,4′-bis(methylphosphonic acid)-2,2′-bipyridine)(CO)3Cl] as a CO2 reduction catalyst (ReP). The P3HT photosensitizer is coated onto Re(I) catalyst (ReP)-loaded TiO2 particles to build up a new polymer-sensitized TiO2 photocatalyst system (P3HT/TiO2/ReP). The P3HT-based hybrid system showed the most durable catalytic activities compared to our previous ternary systems using molecular photosensitizer. Under irradiation with low energy light (>500 nm), the hybrid P3HT/TiO2/ReP catalyst showed a TON of ~5300 over an extended time period of 830 h.
저자 최민수, 이대한, 전범수, 봉민종, 김철훈, 강상욱, 손호진
소속 고려대
키워드 conjugation polymer. CO2 reduction
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