Core-wing modulated squaraines with enhanced two-photon absorption and efficient photothermal eradication of bacteria.

Xin-Ao Liu, Xingtong Zhou, Tong Zhang, Congdi Shang, Liping Ding, Taihong Liu, Yu Fang

Abstract read

In one paragraph

Article in Chemical science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it

0cells of the map it votes in

0citing papers in PubMed

–field-weighted citation impact

1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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2 · The registry

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3 · Its place in the literature

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0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Xin-Ao LiuKey Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, Shaanxi Provincial Key Laboratory of New Concept Sensors and Molecular Materials, School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an 710119 P. R. China liuth121@snnu.edu.cn dinglp33@snnu.edu.cn.

Xingtong ZhouKey Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, Shaanxi Provincial Key Laboratory of New Concept Sensors and Molecular Materials, School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an 710119 P. R. China liuth121@snnu.edu.cn dinglp33@snnu.edu.cn.

Tong ZhangCollege of Food Science and Engineering, Northwest A&F University Yangling 712100 Shaanxi P. R. China shangcd@nwafu.edu.cn.

Congdi ShangCollege of Food Science and Engineering, Northwest A&F University Yangling 712100 Shaanxi P. R. China shangcd@nwafu.edu.cn.

Liping DingKey Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, Shaanxi Provincial Key Laboratory of New Concept Sensors and Molecular Materials, School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an 710119 P. R. China liuth121@snnu.edu.cn dinglp33@snnu.edu.cn.ORCID https://orcid.org/0000-0002-1010-6066

Taihong LiuKey Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, Shaanxi Provincial Key Laboratory of New Concept Sensors and Molecular Materials, School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an 710119 P. R. China liuth121@snnu.edu.cn dinglp33@snnu.edu.cn.ORCID https://orcid.org/0000-0002-9600-1045

Yu FangKey Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, Shaanxi Provincial Key Laboratory of New Concept Sensors and Molecular Materials, School of Chemistry and Chemical Engineering, Shaanxi Normal University Xi'an 710119 P. R. China liuth121@snnu.edu.cn dinglp33@snnu.edu.cn.ORCID https://orcid.org/0000-0001-8490-8080

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Predictable structure-property relationships for near-infrared (NIR)-emitting chromophores and sustainable photothermal agents remain challenging. Herein, two series of indolenine-based squaraines are synthesized to investigate how core-wing structural modulation influences photophysical properties. Dicyanovinylene modification of the squaraine carbonyl core induces a substantial bathochromic shift and enriches de-activation pathways, while further wing functionalization strengthens intramolecular charge transfer (ICT) efficiency and enhances nonlinear two-photon absorption (2PA). Intrinsic zwitterionic stabilization and the bent-shaped molecular skeleton of bis(dicyanovinylene)-cored squaraines are also supported by theoretical calculations. Optimal benzindolenine-winged squaraine dye SQ2-4CN demonstrates a strong two-photon absorption cross-section (

Identifiers

PMID41982923

DOI10.1039/d6sc00573j

PMCPMC13071931

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LicenceCC BY-NC

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.