基于氨酸的人工光采集器中能量转移过程的客体诱导调节
Dajeong Yim1, Jooyoung Sung1, Serom Kim1
1Department of Chemistry, Yonsei University , 50 Yonsei-ro, Seodaemoon-Gu, Seoul 120-749, Korea.
Journal of the American Chemical Society
|December 16, 2016
概括
新的树突式多蛋白阵列有效地传输能量并检测离子. 甲核心绑定客人,改变能量传输,在离子去除时可逆检测.
科学领域:
- 超分子化学
- 摄影化学
- 材料科学
背景情况:
- 氨基阵列对于光采集和传感应用至关重要.
- 了解复杂分子结构中的能量转移动态是必不可少的.
研究的目的:
- 合成和描述新的树突多蛋白阵列.
- 研究这些阵列中的光诱导能量转移过程.
- 评估这些阵列对离子传感的潜力.
主要方法:
- 树突多氨酸阵列的合成 (PZnTz-nPFB).
- 紫外线/紫外线吸收,发射和时间分辨率光谱.
- 用离子物种进行宿主-客体复合研究.
主要成果:
- 从焦点甲 (PZn) 到自由基甲 (PFB) 翼的有效能量转移.
- 具有醇的PZn通过协调和结形成宿主-客体复合体.
- 阴离子结合导致PZn吸收的色变化,表明HOMO-LUMO差距有所减少.
- 添加化物将光辐射转移到PZn,这是一个可逆的过程.
结论:
- 合成的树突多蛋白阵列表现出高效的能量转移.
- 这些阵列作为有效的阴离子传感器,具有化物检测.
- 观察到的离子结合和随后的能量转移变化是可逆的.
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