A novel covalent triazine-based frameworks as photocatalysts for the degradation of dyes under visible light irradiation

Du, Yajing; Ai, Haoqiang; Liu, Yun; Liu, Hongzhi

doi:10.1039/d2se01605b

Sustainable Energy Fuels

2023

DOI: 10.1039/d2se01605b

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A novel covalent triazine-based frameworks as photocatalysts for the degradation of dyes under visible light irradiation

Yajing Du

Haoqiang Ai²,

Yun Liu

et al.

Abstract: A range of phenyl-or thiophene-linked covalent triazine-based frameworks were synthesized by Suzuki polycondensation of 1,4-phenylenebisboronic acid and brominated phenyl or thiophene substituted triazine monomers. The materials obtained exhibited good thermal...

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Cited by 2 publications

References 45 publications

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Amphiphilic Azo‐Functionalized Polyhedral Oligomeric Silsesquioxane; Synthesis and Photo‐Switched Efficient Phase Transfer via Host–Guest Encapsulation

Eftekhari‐Sis,

Amirpour,

Naderahmadian

et al. 2024

ChemPlusChem

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A new amphiphilic azo‐functionalized polyoctahedral oligomeric silsesquioxane (POSS) derivative was synthesized by functionalizing octa(3‐aminopropyl)silsesquioxane (OAS‐POSS) with 4‐((4‐(dodecyloxy)phenyl)diazenyl)benzoic acid, affording a hydrophilic amino POSS head and hydrophobic dodecyl tail with a diphenyl‐azo connector. Prepared amphiphilic azo‐functionalized POSS (azo‐POSS) exhibited high ability for encapsulation and transferring cationic dyes into the organic phase by vigorously mixing with aqueous solutions of each dye. The photo‐controlled encapsulating properties of the synthesized phase transfer reagent was studied using cationic dyes, such as methylene blue (MB), crystal violet (CV) and thymol blue in acidic conditions. Results showed more than 95% encapsulation of MB. However, no considerable encapsulation was shown in the case of anionic dyes such as eriochrome black T (EBT) and thymol blue in alkaline solutions. By trans/cis isomerization of the azo moiety of the phase transfer reagent by UV irradiation (365 nm), the amount of dye encapsulation was decreased, which could be attributed to the formation of cis isomer that led to the folding of the dodecyl alkyl tail on the POSS moiety, and therefore prevent to lay the 3‐aminopropyl moieties of POSS head to the water/DCM interface to adsorb and encapsulate MB molecules.

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Amphiphilic Azo‐Functionalized Polyhedral Oligomeric Silsesquioxane; Synthesis and Photo‐Switched Efficient Phase Transfer via Host–Guest Encapsulation

Eftekhari‐Sis,

Amirpour,

Naderahmadian

et al. 2024

ChemPlusChem

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Thiazolyl-linked conjugated microporous polymers for enhancement adsorption and photocatalytic degradation of organic dyes from water

Saber

Chueh

Saber

et al. 2023

Materials Today Sustainability

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A novel covalent triazine-based frameworks as photocatalysts for the degradation of dyes under visible light irradiation

Abstract: A range of phenyl-or thiophene-linked covalent triazine-based frameworks were synthesized by Suzuki polycondensation of 1,4-phenylenebisboronic acid and brominated phenyl or thiophene substituted triazine monomers. The materials obtained exhibited good thermal...

Cited by 2 publications

References 45 publications

Amphiphilic Azo‐Functionalized Polyhedral Oligomeric Silsesquioxane; Synthesis and Photo‐Switched Efficient Phase Transfer via Host–Guest Encapsulation

Amphiphilic Azo‐Functionalized Polyhedral Oligomeric Silsesquioxane; Synthesis and Photo‐Switched Efficient Phase Transfer via Host–Guest Encapsulation

Thiazolyl-linked conjugated microporous polymers for enhancement adsorption and photocatalytic degradation of organic dyes from water

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