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Author

Jian Luo

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Oct 2026

Vibrational-Gated Intersystem Crossing in Phenolphthalein Dianion: A TDDFT Insight into the Fluorescence Quenching Mechanism

The structural rigidity of molecular frameworks plays a pivotal role in modulating intersystem crossings (ISCs). Here, we systematically investigate the distinct fluorescence behaviors of the phenolphthalein dianion (PHP2–) and the fluorescein dianion (FLU2–)─two structurally analogous xanthene derivatives. By employ...

Lu Li, Xiu-Ming Xu, Yu-Xin Guan et al. · 0 citations
Aug 2026

Short Hydrogen Bonds Unify the Duality of Confined Water as Both Acid and Base in Poly(vinyl alcohol) Films.

Water confined in poly(vinyl alcohol) (PVA) films exhibits enhanced basicity toward embedded chromophores, yet whether this anomalous reactivity reflects a broader acid-base duality remains unexplored. Here, using 5-methoxyflavone (5MF) as a photobase probe whose C═O stretch is spectrally isolated in FTIR, we uncover t...

Qin Yu, Xi-Ya Peng, Ziyi Wang et al. · 0 citations

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