Electrochimica Acta, volume 297, pages 488-496

Dramatically enhanced photoelectrochemical properties and transformed p/n type of g-C3N4 caused by K and I co-doping

Jiangping Jing ¹

Zhuoyuan Chen ¹

Chang Feng ²

Hide authors affiliations Show authors affiliations: 2 affiliations

Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China |

State Key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, Wenhai Road, Qingdao, 266237, China |

Publication type: Journal Article

Publication date: 2019-02-01

Elsevier

Journal: Electrochimica Acta

Quartile SCImago

Quartile WOS

Impact factor: 6.6

ISSN: 00134686

DOI: 10.1016/j.electacta.2018.12.015

Copy DOI

General Chemical Engineering

Electrochemistry

Abstract

Graphitic carbon nitride (g-C3N4) usually shows amphoteric property in a neutral solution. In this work, a K&I co-doped g-C3N4 is prepared by simply sintering the mixture of dicyandiamine, KI and I2. The K&I co-doping modulates the band structure of g-C3N4 with pulling the Fermi level toward its conduction band minimum. The obtained K&I co-doped g-C3N4 (K&I-C3N4) generates positive photocurrents over the whole investigated potential range, exhibiting a typical n-type semiconductor characteristic. Therefore, the K&I co-doping transforms the g-C3N4 from amphoteric to n-type semiconductor. Also, the prepared K&I-C3N4 shows widened light absorption range and enhanced separation efficiency of the photogenerated charge carriers, which results in the dramatically enhanced photoelectrochemical performance.

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Jing J., Chen Z., Feng C. Dramatically enhanced photoelectrochemical properties and transformed p/n type of g-C3N4 caused by K and I co-doping // Electrochimica Acta. 2019. Vol. 297. pp. 488-496.

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Jing J., Chen Z., Feng C. Dramatically enhanced photoelectrochemical properties and transformed p/n type of g-C3N4 caused by K and I co-doping // Electrochimica Acta. 2019. Vol. 297. pp. 488-496.

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RIS Copy

TY - JOUR

DO - 10.1016/j.electacta.2018.12.015

UR - https://doi.org/10.1016/j.electacta.2018.12.015

TI - Dramatically enhanced photoelectrochemical properties and transformed p/n type of g-C3N4 caused by K and I co-doping

T2 - Electrochimica Acta

AU - Jing, Jiangping

AU - Chen, Zhuoyuan

AU - Feng, Chang

PY - 2019

DA - 2019/02/01 00:00:00

PB - Elsevier

SP - 488-496

VL - 297

SN - 0013-4686

ER -

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BibTex Copy

@article{2019_Jing,

author = {Jiangping Jing and Zhuoyuan Chen and Chang Feng},

title = {Dramatically enhanced photoelectrochemical properties and transformed p/n type of g-C3N4 caused by K and I co-doping},

journal = {Electrochimica Acta},

year = {2019},

volume = {297},

publisher = {Elsevier},

month = {feb},

url = {https://doi.org/10.1016/j.electacta.2018.12.015},

pages = {488--496},

doi = {10.1016/j.electacta.2018.12.015}

}

Found error?

Publisher

Elsevier

Journal

Electrochimica Acta

Quartile SCImago

Quartile WOS

Impact factor

6.6

ISSN

00134686 (Print)