激发态
氧化还原
发色团
纳米技术
光化学
光催化
化学
吸收(声学)
材料科学
生化工程
催化作用
物理
有机化学
原子物理学
工程类
复合材料
作者
Thomas S. Teets,Dooyoung Kim,Vinh Q. Dang
出处
期刊:Chemical Science
[The Royal Society of Chemistry]
日期:2024-01-01
卷期号:15 (1): 77-94
被引量:3
摘要
To function effectively in a photocatalytic application, a photosensitizer's light absorption, excited-state lifetime, and redox potentials, both in the ground state and excited state, are critically important. The absorption profile is particularly relevant to applications involving solar harvesting, whereas the redox potentials and excited-state lifetimes determine the thermodynamics, kinetics, and quantum yields of photoinduced redox processes. This perspective article focuses on synthetic inorganic and organometallic approaches to optimize these three characteristics of transition-metal based photosensitizers. We include our own work in these areas, which has focused extensively on exceptionally strong cyclometalated iridium photoreductants that enable challenging reductive photoredox transformations on organic substrates, and more recent work which has led to improved solar harvesting in charge-transfer copper(i) chromophores, an emerging class of earth-abundant compounds particularly relevant to solar-energy applications. We also extensively highlight many other complementary strategies for optimizing these parameters and highlight representative examples from the recent literature. It remains a significant challenge to simultaneously optimize all three of these parameters at once, since improvements in one often come at the detriment of the others. These inherent trade-offs and approaches to obviate or circumvent them are discussed throughout.
科研通智能强力驱动
Strongly Powered by AbleSci AI