| 학회 |
한국고분자학회 |
| 학술대회 |
2008년 가을 (10/09 ~ 10/10, 일산킨텍스) |
| 권호 |
33권 2호 |
| 발표분야 |
분자전자소재 및 소자기술의 현황(분자전자 부문위원회) |
| 제목 |
Synthesis, Photophysical Study, and Its Hydrogen Generation from Water Splitting Reaction |
| 초록 |
In an effort to develop an efficient photocatalytic system, a series of efficient light-harvesting systems (Ir-PtGx, x = 1-3) based on dendritic 4-phenylcarbazole derivatives coupled with the photosensitizer ([Ir(C^N)2(N^N)]+) were prepared. The photophysical parameters (excited-state life time, absorptivity, and quautum efficiency) were measured. The photophysical study showed the efficient SS and TT energy transfer from the dendritic carbazole unit to the core sensitizer, indicating that the carbazole unit is an efficient light absorber and core Ir sensitizer functions as a spatial energy concentrator. In turn, it suggests that the photo-induced electron of sensitizer can be more efficiently transported into the neighboring water reduction center (Pt). Each compound was then used as a single-component photocatalyst (light absorber (dendritic carbazole)sensitizer (Ir)water reduction center (Pt) triad) in a standard photo-induced hydrogen production system. |
| 저자 |
민경태, 김민혜, 손호진, 권순남, 고재중, 강상욱
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| 소속 |
고려대 |
| 키워드 |
Hydrogen Generation; Iridium complex
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| E-Mail |
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