Fluorene and Triazine-Based Conjugated Polymer Networks with Tuned Frontier Orbital Energy Levels for Improving Organic Photocatalysis DOI
Raj Laxmi,

Anshuman,

Neelam Gupta

et al.

ACS Applied Polymer Materials, Journal Year: 2024, Volume and Issue: 6(24), P. 15136 - 15149

Published: Dec. 11, 2024

Here, we describe a method for fine-tuning the frontier orbital energy levels or redox potential of conjugated polymer network (CPN) consisting triazine and fluorene by systematically introducing electron-withdrawing groups at moiety through simple structural modification. The band gap CPN decreases with an increase in strength group, relative position becomes more favorable reactions like photocatalytic aerobic oxidation, which has been further confirmed theoretical experimental studies. CN group 9 (CPN3) shows maximum activity (32% higher) compared to CPN1 (hydrogen position) white light. best-performing catalyst CPN3 was employed under light, oxidation alcohols carbonyl boronic acid corresponding alcohol, show noteworthy characteristics low loading, high yield, selectivity broad substrate scope (aliphatic, aromatic, biphenyl, heterocyclic). exhibited turnover frequencies 13.33 10.9 mmol g–1 h–1 3 W blue LED lights, respectively, are much higher than those state-of-art photocatalysts. recyclability tested up 5 cycles without change catalytic activity. practical usefulness suggested demonstrated CPN3-photocatalyzed gram-scale synthesis high-value chemicals such as acetophenone from 1-phenylethanol phenol phenylboronic acid.

Language: Английский

Fluorene and Triazine-Based Conjugated Polymer Networks with Tuned Frontier Orbital Energy Levels for Improving Organic Photocatalysis DOI
Raj Laxmi,

Anshuman,

Neelam Gupta

et al.

ACS Applied Polymer Materials, Journal Year: 2024, Volume and Issue: 6(24), P. 15136 - 15149

Published: Dec. 11, 2024

Here, we describe a method for fine-tuning the frontier orbital energy levels or redox potential of conjugated polymer network (CPN) consisting triazine and fluorene by systematically introducing electron-withdrawing groups at moiety through simple structural modification. The band gap CPN decreases with an increase in strength group, relative position becomes more favorable reactions like photocatalytic aerobic oxidation, which has been further confirmed theoretical experimental studies. CN group 9 (CPN3) shows maximum activity (32% higher) compared to CPN1 (hydrogen position) white light. best-performing catalyst CPN3 was employed under light, oxidation alcohols carbonyl boronic acid corresponding alcohol, show noteworthy characteristics low loading, high yield, selectivity broad substrate scope (aliphatic, aromatic, biphenyl, heterocyclic). exhibited turnover frequencies 13.33 10.9 mmol g–1 h–1 3 W blue LED lights, respectively, are much higher than those state-of-art photocatalysts. recyclability tested up 5 cycles without change catalytic activity. practical usefulness suggested demonstrated CPN3-photocatalyzed gram-scale synthesis high-value chemicals such as acetophenone from 1-phenylethanol phenol phenylboronic acid.

Language: Английский

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