光子上转换
消灭
光化学
纳米技术
人口
能量转移
材料科学
化学
光电子学
化学物理
物理
兴奋剂
人口学
量子力学
社会学
作者
Nan Gong,Beibei Xu,Junyao Mo,Tao Man,Jianrong Qiu
标识
DOI:10.1016/j.trechm.2023.01.007
摘要
Sensitized triplet–triplet annihilation upconversion (TTA-UC) using inorganic–organic hybrids has great potential for applications in energy, biomedicine, advanced light source, and manufacturing. These applications require highly efficient and low-threshold TTA-UC. Here, we review the recent progress and critical role of defect engineering of inorganic sensitizer on triplet energy transfer (TET) and TTA-UC. The formation mechanism and influence of various kinds of defects in sensitizers are discussed. In particular, we focus on comparing the intrinsic, extrinsic, and surface defect engineering strategies for controlling triplet population and lifetime, band alignment, carrier mobility, and TET rate. We explore the challenges of controllable defect engineering and the nature of defects, highlighting future opportunities for fundamental photophysics and related applications.
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