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author:

Fang, Yuanxing (Fang, Yuanxing.) [1] (Scholars:方元行) | Li, Xiaochun (Li, Xiaochun.) [2] | Wang, Xinchen (Wang, Xinchen.) [3] (Scholars:王心晨)

Indexed by:

EI Scopus SCIE

Abstract:

Polymeric carbon nitride (PCN) films are synthesized for solar water splitting devices. Herein, five precursors and their mixtures are attempted, achieving PCN films in ca. 40 different morphologies. We find that sulfur (S) containing and non S precursors must be mixed to grow PCN films on fluorine doped tin oxide (FTO) glasses. Through the investigations of the PCN films, S is found to only exist at the interfaces between the PCN and FTO films. In this case, S acts not only as the initialization for the growth of the PCN films but also as connections to assist charge migration for water splitting devices. As a result, the best performance ca. 100 mu A/cm(2) is achieved at 1.23 VRHE under AM 1.5 illumination in NaOH electrolyte solution without sacrificial agent. This result can be attributed to the reduced defects along the interfaces and the lessened charge recombination. This synthesis of PCN films with the improved chemical adhesion to the FTO layer envisages such organic material for the construction of other flexible functional devices.

Keyword:

films interfaces molten mediate approach polymeric carbon nitrides solar water splitting devices

Community:

  • [ 1 ] [Fang, Yuanxing]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Li, Xiaochun]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Wang, Xinchen]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Fujian, Peoples R China

Reprint 's Address:

  • 王心晨

    [Wang, Xinchen]Fuzhou Univ, Coll Chem, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350116, Fujian, Peoples R China

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Source :

ACS CATALYSIS

ISSN: 2155-5435

Year: 2018

Issue: 9

Volume: 8

Page: 8774-8780

1 2 . 2 2 1

JCR@2018

1 1 . 7 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:209

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 76

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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