β-CD-decorated BODIPY-based porous polymers for improved photodegradation

Wang, Xin; Zhao, Wuzi; Zhou, Shiyuan; Gu, Peiyang; Sun, Hua; Wang, Danfeng

doi:10.1039/d3nj05785b

New J. Chem.

2024

DOI: 10.1039/d3nj05785b

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β-CD-decorated BODIPY-based porous polymers for improved photodegradation

Xin Wang,

Wuzi Zhao,

Shiyuan Zhou

et al.

Abstract: Photodegradation of aqueous organic pollutants provides an ideal removal process for wastewater treatment, urging the development of photocatalysts with high-performance, inexpensiveness and good reusability. Herein, we report the integration of...

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Selective Oxygen Activation by Integrating Dual Photosensitizers in Conjugated Porous Polymers and Microenvironments Manipulation for High‐Performance Water Purification and H₂O₂ Production

Wang,

Zhao,

Tan

et al. 2024

Adv Funct Materials

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Conjugated porous polymers (CPPs) are promising materials for water purification due to their capacity to produce reactive oxygen species (ROS) under visible light. However, insufficient oxygen (O2) adsorption and unselective O2 activation pathways prevent the efficiency of photodegradation of refractory pollutants. Herein, the strategy of integrating dual photosensitizes into CPPs’ framework in a donor‐π‐acceptor conformation is proposed, combined with microenvironment modulation for regulating exciton dynamic and built‐in electric field, to confer extraordinarily excellent selective and high concentration of singlet oxygen (1O2) production (1.30 × 106 µmol g−1 h−1), being 103 fold of superoxide radical (·O2−) yield. Consequently, BDP‐Por‐O exhibits unprecedently high efficiency in bisphenol A (BPA) removal, with 10 and 100 ppm BPA degradation in just 2 and 20 min, respectively. Additionally, photocatalytic hydrogen peroxide (H2O2) production also shows a satisfactory production rate. Mechanistic investigations using femto‐second transient absorption spectroscopy, Kelvin probe force microscopy, in situ diffuse reflectance infrared Fourier transform spectroscopy and density functional theory calculations reveal the impressive performance is attributed to selective and efficient 1O2 generation due to multiple effective O2 adsorption sites and the access to long‐lived excitons for 1O2 permitted by microenvironment optimization. This work provides an outstanding avenue for selective ROS generation and would advance the development of photocatalysts for water treatment.

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Selective Oxygen Activation by Integrating Dual Photosensitizers in Conjugated Porous Polymers and Microenvironments Manipulation for High‐Performance Water Purification and H₂O₂ Production

Wang,

Zhao,

Tan

et al. 2024

Adv Funct Materials

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show abstract

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β-CD-decorated BODIPY-based porous polymers for improved photodegradation

Abstract: Photodegradation of aqueous organic pollutants provides an ideal removal process for wastewater treatment, urging the development of photocatalysts with high-performance, inexpensiveness and good reusability. Herein, we report the integration of...

Cited by 1 publication

References 54 publications

Selective Oxygen Activation by Integrating Dual Photosensitizers in Conjugated Porous Polymers and Microenvironments Manipulation for High‐Performance Water Purification and H₂O₂ Production

Selective Oxygen Activation by Integrating Dual Photosensitizers in Conjugated Porous Polymers and Microenvironments Manipulation for High‐Performance Water Purification and H₂O₂ Production

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β-CD-decorated BODIPY-based porous polymers for improved photodegradation

Abstract: Photodegradation of aqueous organic pollutants provides an ideal removal process for wastewater treatment, urging the development of photocatalysts with high-performance, inexpensiveness and good reusability. Herein, we report the integration of...

Cited by 1 publication

References 54 publications

Selective Oxygen Activation by Integrating Dual Photosensitizers in Conjugated Porous Polymers and Microenvironments Manipulation for High‐Performance Water Purification and H2O2 Production

Selective Oxygen Activation by Integrating Dual Photosensitizers in Conjugated Porous Polymers and Microenvironments Manipulation for High‐Performance Water Purification and H2O2 Production

Contact Info

Product

Resources

About

Selective Oxygen Activation by Integrating Dual Photosensitizers in Conjugated Porous Polymers and Microenvironments Manipulation for High‐Performance Water Purification and H₂O₂ Production

Selective Oxygen Activation by Integrating Dual Photosensitizers in Conjugated Porous Polymers and Microenvironments Manipulation for High‐Performance Water Purification and H₂O₂ Production