Computation‐Guided Control of Excited‐State Deactivation Through Modulation of Conical‐Intersection Accessibility by Donor–Acceptor Asymmetry in Bridged Stilbene AIE Luminogens

Takuya Tanaka, Satoshi Suzuki, Hirosato Koyanagi, Kiyoshi Miyata, Riki Iwai, Kazunobu Igawa, Ken Onda, Ben Zhong Tang, Gen‐ichi Konishi · 2026

Read Computation‐Guided Control of Excited‐State Deactivation Through Modulation of Conical‐Intersection Accessibility by Donor–Acceptor Asymmetry in Bridged Stilbene AIE Luminogens by Takuya Tanaka, Satoshi Suzuki, Hirosato Koyanagi, Kiyoshi Miyata, Riki Iwai, Kazunobu Igawa, Ken Onda, Ben Zhong Tang, Gen‐ichi Konishi (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13336361.txt.

Description

Takuya Tanaka and co-authors used computing to learn how molecular shape governs light-driven energy loss in glowing stilbene compounds in a 2026 light-physics study. These clumping-induced glow compounds shine when clustered, and conical intersections, the funnels where excited molecules dump energy without light, decide how bright they get.

Quantum chemical analysis of 30 asymmetric donor-acceptor variants showed that side-group patterns shift the energy gap between the freshly excited geometry and the conical intersection, predicting which molecules go dark fastest. The team made key compounds, including DCBS[6], DCBS[7], and two DPB variants, plus references. Their lab behavior mostly tracked the computed trends. The design rules connect bridge flexibility and donor-acceptor imbalance to brightness, guiding brighter probes and glowing materials.

Catalog record

CREATORTakuya Tanaka, Satoshi Suzuki, Hirosato Koyanagi, Kiyoshi Miyata, Riki Iwai, Kazunobu Igawa, Ken Onda, Ben Zhong Tang, Gen‐ichi Konishi
YEAR2026
COLLECTIONPAPERS
FORMATTXT
FILE SIZE55593
LICENSEhttps://creativecommons.org/licenses/by/4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/article/MED/PMC13336361

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