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author:

Qin, Chencheng (Qin, Chencheng.) [1] | Wu, Xiaodong (Wu, Xiaodong.) [2] | Tang, Lin (Tang, Lin.) [3] | Chen, Xiaohong (Chen, Xiaohong.) [4] | Li, Miao (Li, Miao.) [5] | Mou, Yi (Mou, Yi.) [6] | Su, Bo (Su, Bo.) [7] | Wang, Sibo (Wang, Sibo.) [8] (Scholars:汪思波) | Feng, Chengyang (Feng, Chengyang.) [9] | Liu, Jiawei (Liu, Jiawei.) [10] | Yuan, Xingzhong (Yuan, Xingzhong.) [11] | Zhao, Yanli (Zhao, Yanli.) [12] | Wang, Hou (Wang, Hou.) [13]

Indexed by:

Scopus SCIE

Abstract:

Constructing photocatalytically active and stable covalent organic frameworks containing both oxidative and reductive reaction centers remain a challenge. In this study, benzotrithiophene-based covalent organic frameworks with spatially separated redox centers are rationally designed for the photocatalytic production of hydrogen peroxide from water and oxygen without sacrificial agents. The triazine-containing framework demonstrates high selectivity for H2O2 photogeneration, with a yield rate of 2111 mu Mh(-1) (21.11 mu mol h(-1) and 1407 mu mol g(-1) h(-1)) and a solar-to-chemical conversion efficiency of 0.296%. Codirectional charge transfer and large energetic differences between linkages and linkers are verified in the double donor-acceptor structures of periodic frameworks. The active sites are mainly concentrated on the electron-acceptor fragments near the imine bond, which regulate the electron distribution of adjacent carbon atoms to optimally reduce the Gibbs free energy of O-2* and OOH* intermediates during the formation of H2O2.

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Community:

  • [ 1 ] [Qin, Chencheng]Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China
  • [ 2 ] [Tang, Lin]Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China
  • [ 3 ] [Li, Miao]Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China
  • [ 4 ] [Mou, Yi]Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China
  • [ 5 ] [Yuan, Xingzhong]Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China
  • [ 6 ] [Wang, Hou]Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Peoples R China
  • [ 7 ] [Qin, Chencheng]Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Peoples R China
  • [ 8 ] [Tang, Lin]Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Peoples R China
  • [ 9 ] [Li, Miao]Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Peoples R China
  • [ 10 ] [Mou, Yi]Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Peoples R China
  • [ 11 ] [Yuan, Xingzhong]Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Peoples R China
  • [ 12 ] [Wang, Hou]Hunan Univ, Key Lab Environm Biol & Pollut Control, Minist Educ, Changsha 410082, Peoples R China
  • [ 13 ] [Wu, Xiaodong]Nanjing Tech Univ, Coll Mat Sci & Engn, Nanjing 210009, Peoples R China
  • [ 14 ] [Chen, Xiaohong]Hunan Univ Technol & Business, Sch Frontier Crossover Studies, Changsha 410205, Peoples R China
  • [ 15 ] [Su, Bo]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Fujian, Peoples R China
  • [ 16 ] [Wang, Sibo]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Fujian, Peoples R China
  • [ 17 ] [Feng, Chengyang]King Abdullah Univ Sci & Technol, Catalysis Ctr, Thuwal 239556900, Saudi Arabia
  • [ 18 ] [Liu, Jiawei]Nanyang Technol Univ, Sch Chem Chem Engn & Biotechnol, 21 Nanyang Link, Singapore 637371, Singapore
  • [ 19 ] [Zhao, Yanli]Nanyang Technol Univ, Sch Chem Chem Engn & Biotechnol, 21 Nanyang Link, Singapore 637371, Singapore
  • [ 20 ] [Wang, Hou]Nanyang Technol Univ, Sch Chem Chem Engn & Biotechnol, 21 Nanyang Link, Singapore 637371, Singapore

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Source :

NATURE COMMUNICATIONS

ISSN: 2041-1723

Year: 2023

Issue: 1

Volume: 14

1 4 . 7

JCR@2023

1 4 . 7 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 160

SCOPUS Cited Count: 163

ESI Highly Cited Papers on the List: 6 Unfold All

  • 2025-1
  • 2024-11
  • 2024-9
  • 2024-7
  • 2024-5
  • 2024-3

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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