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探索基于咔唑的pH敏感聚集诱导发光（AIE）发光体的传感特性及其在纸条传感中的应用。

Exploring the sensing properties of pH-sensitive carbazole-based AIE emitters and their applications in paper strip sensing.

作者信息

Saluja Diksha, Seenu Prakash, Enbanathan Saravanan, Iyer Sathiyanarayanan Kulathu

机构信息

Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology Vellore 632014 India

出版信息

RSC Adv. 2025 Mar 19;15(11):8553-8560. doi: 10.1039/d4ra08882d. eCollection 2025 Mar 17.

DOI:10.1039/d4ra08882d
PMID:40109928
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11920966/
Abstract

A novel carbazole-coupled phenanthridine molecule with an intense blue emissive fluorescence was produced through a two-step synthesis of 5-(4-(9-carbazol-9-yl)phenyl)-7,8,13,14-tetrahydrodibenzo[,]phenanthridine (DSPH). This blue probe shows a good thermal and electrochemical stability. It has been used for sensing trifluoracetic acid (TFA) with a limit of detection (LoD) value of 198 pM. The probe tends to show aggregation induced emission (AIE) characteristics. Additionally, the experimental data were supported by DFT analysis.

摘要

通过两步合成5-(4-(9-咔唑-9-基)苯基)-7,8,13,14-四氢二苯并[,]菲啶(DSPH)制备了一种具有强烈蓝色发射荧光的新型咔唑偶联菲啶分子。这种蓝色探针具有良好的热稳定性和电化学稳定性。它已被用于检测三氟乙酸(TFA)，检测限(LoD)值为198 pM。该探针倾向于表现出聚集诱导发光(AIE)特性。此外，实验数据得到了密度泛函理论(DFT)分析的支持。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/1c324c252523/d4ra08882d-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/4c6d1b5d8ae4/d4ra08882d-f1.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/250946ea9802/d4ra08882d-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/45e756a02546/d4ra08882d-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/32e23e1c668f/d4ra08882d-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/6852b71083bb/d4ra08882d-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/c01ee40e1c2c/d4ra08882d-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/1c324c252523/d4ra08882d-f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/4c6d1b5d8ae4/d4ra08882d-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/2ca2433d8d6d/d4ra08882d-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/6f36dc80dd5a/d4ra08882d-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/f124b4134b6d/d4ra08882d-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/250946ea9802/d4ra08882d-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/45e756a02546/d4ra08882d-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/32e23e1c668f/d4ra08882d-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/6852b71083bb/d4ra08882d-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/c01ee40e1c2c/d4ra08882d-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/76ca/11920966/1c324c252523/d4ra08882d-f9.jpg

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