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Toward Strong Near‐Infrared Absorption/Emission from Carbon Dots in Aqueous Media through Solvothermal Fusion of Large Conjugated Perylene Derivatives with Post‐Surface Engineering

Carbon dots (CDs) have attracted significant interest as one of the most emerging photoluminescence (PL) nanomaterials. However, the realization of CDs with dominant near‐infrared (NIR) absorption/emission peaks in aqueous solution remains a great challenge. Herein, CDs with both main NIR absorption...

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Autores principales: Liu, Yupeng, Lei, Josh Haipeng, Wang, Gang, Zhang, Zhiming, Wu, Jun, Zhang, Bohan, Zhang, Huiqi, Liu, Enshan, Wang, Liming, Liu, Tzu‐Ming, Xing, Guichuan, Ouyang, Defang, Deng, Chu‐Xia, Tang, Zikang, Qu, Songnan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9376813/
https://www.ncbi.nlm.nih.gov/pubmed/35652197
http://dx.doi.org/10.1002/advs.202202283
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author Liu, Yupeng
Lei, Josh Haipeng
Wang, Gang
Zhang, Zhiming
Wu, Jun
Zhang, Bohan
Zhang, Huiqi
Liu, Enshan
Wang, Liming
Liu, Tzu‐Ming
Xing, Guichuan
Ouyang, Defang
Deng, Chu‐Xia
Tang, Zikang
Qu, Songnan
author_facet Liu, Yupeng
Lei, Josh Haipeng
Wang, Gang
Zhang, Zhiming
Wu, Jun
Zhang, Bohan
Zhang, Huiqi
Liu, Enshan
Wang, Liming
Liu, Tzu‐Ming
Xing, Guichuan
Ouyang, Defang
Deng, Chu‐Xia
Tang, Zikang
Qu, Songnan
author_sort Liu, Yupeng
collection PubMed
description Carbon dots (CDs) have attracted significant interest as one of the most emerging photoluminescence (PL) nanomaterials. However, the realization of CDs with dominant near‐infrared (NIR) absorption/emission peaks in aqueous solution remains a great challenge. Herein, CDs with both main NIR absorption bands at 720 nm and NIR emission bands at 745 nm in an aqueous solution are fabricated for the first time by fusing large conjugated perylene derivatives under solvothermal treatment. With post‐surface engineering, the polyethyleneimine modified CDs (PEI‐CDs) exhibit enhanced PL quantum yields (PLQY) up to 8.3% and 18.8% in bovine serum albumin aqueous and DMF solutions, which is the highest PLQY of CDs in NIR region under NIR excitation. Density functional theory calculations support the strategy of fusing large conjugated perylene derivatives to achieve NIR emissions from CDs. Compared to the commercial NIR dye Indocyanine green, PEI‐CDs exhibit excellent photostability and much lower cost. Furthermore, the obtained PEI‐CDs illustrate the advantages of remarkable two‐photon NIR angiography and in vivo NIR fluorescence bioimaging. This work demonstrates a promising strategy of fusing large conjugated molecules for preparing CDs with strong NIR absorption/emission to promote their bioimaging applications.
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spelling pubmed-93768132022-08-18 Toward Strong Near‐Infrared Absorption/Emission from Carbon Dots in Aqueous Media through Solvothermal Fusion of Large Conjugated Perylene Derivatives with Post‐Surface Engineering Liu, Yupeng Lei, Josh Haipeng Wang, Gang Zhang, Zhiming Wu, Jun Zhang, Bohan Zhang, Huiqi Liu, Enshan Wang, Liming Liu, Tzu‐Ming Xing, Guichuan Ouyang, Defang Deng, Chu‐Xia Tang, Zikang Qu, Songnan Adv Sci (Weinh) Research Articles Carbon dots (CDs) have attracted significant interest as one of the most emerging photoluminescence (PL) nanomaterials. However, the realization of CDs with dominant near‐infrared (NIR) absorption/emission peaks in aqueous solution remains a great challenge. Herein, CDs with both main NIR absorption bands at 720 nm and NIR emission bands at 745 nm in an aqueous solution are fabricated for the first time by fusing large conjugated perylene derivatives under solvothermal treatment. With post‐surface engineering, the polyethyleneimine modified CDs (PEI‐CDs) exhibit enhanced PL quantum yields (PLQY) up to 8.3% and 18.8% in bovine serum albumin aqueous and DMF solutions, which is the highest PLQY of CDs in NIR region under NIR excitation. Density functional theory calculations support the strategy of fusing large conjugated perylene derivatives to achieve NIR emissions from CDs. Compared to the commercial NIR dye Indocyanine green, PEI‐CDs exhibit excellent photostability and much lower cost. Furthermore, the obtained PEI‐CDs illustrate the advantages of remarkable two‐photon NIR angiography and in vivo NIR fluorescence bioimaging. This work demonstrates a promising strategy of fusing large conjugated molecules for preparing CDs with strong NIR absorption/emission to promote their bioimaging applications. John Wiley and Sons Inc. 2022-06-02 /pmc/articles/PMC9376813/ /pubmed/35652197 http://dx.doi.org/10.1002/advs.202202283 Text en © 2022 The Authors. Advanced Science published by Wiley‐VCH GmbH https://creativecommons.org/licenses/by/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
spellingShingle Research Articles
Liu, Yupeng
Lei, Josh Haipeng
Wang, Gang
Zhang, Zhiming
Wu, Jun
Zhang, Bohan
Zhang, Huiqi
Liu, Enshan
Wang, Liming
Liu, Tzu‐Ming
Xing, Guichuan
Ouyang, Defang
Deng, Chu‐Xia
Tang, Zikang
Qu, Songnan
Toward Strong Near‐Infrared Absorption/Emission from Carbon Dots in Aqueous Media through Solvothermal Fusion of Large Conjugated Perylene Derivatives with Post‐Surface Engineering
title Toward Strong Near‐Infrared Absorption/Emission from Carbon Dots in Aqueous Media through Solvothermal Fusion of Large Conjugated Perylene Derivatives with Post‐Surface Engineering
title_full Toward Strong Near‐Infrared Absorption/Emission from Carbon Dots in Aqueous Media through Solvothermal Fusion of Large Conjugated Perylene Derivatives with Post‐Surface Engineering
title_fullStr Toward Strong Near‐Infrared Absorption/Emission from Carbon Dots in Aqueous Media through Solvothermal Fusion of Large Conjugated Perylene Derivatives with Post‐Surface Engineering
title_full_unstemmed Toward Strong Near‐Infrared Absorption/Emission from Carbon Dots in Aqueous Media through Solvothermal Fusion of Large Conjugated Perylene Derivatives with Post‐Surface Engineering
title_short Toward Strong Near‐Infrared Absorption/Emission from Carbon Dots in Aqueous Media through Solvothermal Fusion of Large Conjugated Perylene Derivatives with Post‐Surface Engineering
title_sort toward strong near‐infrared absorption/emission from carbon dots in aqueous media through solvothermal fusion of large conjugated perylene derivatives with post‐surface engineering
topic Research Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9376813/
https://www.ncbi.nlm.nih.gov/pubmed/35652197
http://dx.doi.org/10.1002/advs.202202283
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