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About the Cover:An efficient strategy for synthesizing optically active compounds is reported by Chen, Duan, Wang, Fan, Yang, Wang, and Lu on page 4163. Incorporation of binaphthol (BINOL) groups into dipyrrometheneboron difluoride (BODIPY) analogues yields chiral dyes with strong cotton effect (Δε), high absorbance dissymmetry factor (gabs), and tunable circularly polarized lumines-cence (CPL) with high brightness in the deep-red region. -
About the Cover:The strategies for synthesizing high-efficiency aggre-gation-induced emission (AIE) photosensitizers are reviewed by Dai, Sun, Wei, and Guan on page 4128. The review centers on donor-acceptor (D-A) frame-work construction, π-conjugation extension, spin-orbit coup- ling (SOC) enhancement, and restricted molec-ular motion, guiding the development of high-performance pho- tosensitizers. -
About the Cover:The construction of highly efficient visible-light-exci- table afterglow materials based on thermally activated delayed fluorescence (TADF) mechanism is reported by Luo, Xiao, Li, Xia, and Zhang on page 4202, em-ploying an intramolecular charge transfer technology. The resulting TADF-type afterglow materials exhibit emission lifetimes in the range of hundreds of milli-seconds and photoluminescence quantum yields of approximately 50%, demonstrating remarkable tem-perature-responsive properties.
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