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Volume 9
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10.3390/polym9100512
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Article

Conjugated Polymers Containing BODIPY and Fluorene Units for Sensitive Detection of CN− Ions: Site-Selective Synthesis, Photo-Physical and Electrochemical Properties

by
Tian He
†,
Danting Tang
†,
Cuiling Lin
,
Xi Shen
,
Chenjie Lu
,
Luonan Xu
,
Zhengye Gu
,
Zheng Xu
,
Huayu Qiu
,
Qian Zhang
* and
Shouchun Yin
*
College of Material Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 310036, China
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Polymers 2017, 9(10), 512; https://doi.org/10.3390/polym9100512
Submission received: 11 September 2017 / Revised: 9 October 2017 / Accepted: 10 October 2017 / Published: 14 October 2017
(This article belongs to the Special Issue Conjugated Polymers 2016)
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Abstract

Conjugated polymers containing distinct molecular units are expected to be very interesting because of their unique properties endowed by these units and the formed conjugated polymers. Herein, four new conjugated copolymers based on fluorene and 4,4’-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) have been designed and synthesized via Sonogashira polymerization. The fluorene unit was attached to the 3,5- or 2,6-positions of BODIPY by ethynylenes or p-diacetylenebenzene. The obtained polymers show good thermal stability and broad absorption in the wavelength range from 300 to 750 nm. The effects of site-selective copolymerization and conjugation length along the polymer backbone on the optoelectronic and electrochemical properties of these copolymers were systematically studied by UV-Vis spectroscopy, photoluminescence (PL) and cyclic voltammetry. Besides, it is found that the BODIPY-based copolymers exhibit selectively sensitive responses to cyanide anions, resulting in obvious change of UV-Vis absorption spectra and significant fluorescence quenching of the polymers among various common anions.
Keywords: BODIPY; conjugated copolymers; site-selective; cyanide anion BODIPY; conjugated copolymers; site-selective; cyanide anion
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MDPI and ACS Style

He, T.; Tang, D.; Lin, C.; Shen, X.; Lu, C.; Xu, L.; Gu, Z.; Xu, Z.; Qiu, H.; Zhang, Q.; et al. Conjugated Polymers Containing BODIPY and Fluorene Units for Sensitive Detection of CN− Ions: Site-Selective Synthesis, Photo-Physical and Electrochemical Properties. Polymers 2017, 9, 512. https://doi.org/10.3390/polym9100512

AMA Style

He T, Tang D, Lin C, Shen X, Lu C, Xu L, Gu Z, Xu Z, Qiu H, Zhang Q, et al. Conjugated Polymers Containing BODIPY and Fluorene Units for Sensitive Detection of CN− Ions: Site-Selective Synthesis, Photo-Physical and Electrochemical Properties. Polymers. 2017; 9(10):512. https://doi.org/10.3390/polym9100512

Chicago/Turabian Style

He, Tian, Danting Tang, Cuiling Lin, Xi Shen, Chenjie Lu, Luonan Xu, Zhengye Gu, Zheng Xu, Huayu Qiu, Qian Zhang, and et al. 2017. "Conjugated Polymers Containing BODIPY and Fluorene Units for Sensitive Detection of CN− Ions: Site-Selective Synthesis, Photo-Physical and Electrochemical Properties" Polymers 9, no. 10: 512. https://doi.org/10.3390/polym9100512

APA Style

He, T., Tang, D., Lin, C., Shen, X., Lu, C., Xu, L., Gu, Z., Xu, Z., Qiu, H., Zhang, Q., & Yin, S. (2017). Conjugated Polymers Containing BODIPY and Fluorene Units for Sensitive Detection of CN− Ions: Site-Selective Synthesis, Photo-Physical and Electrochemical Properties. Polymers, 9(10), 512. https://doi.org/10.3390/polym9100512

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