In situ Carbon Modification of g-C3N4 from Urea Co-crystal with Enhanced Photocatalytic Activity Towards Degradation of Organic Dyes Under Visible Light

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In situ Carbon Modification of g-C3N4 from Urea Co-crystal with Enhanced Photocatalytic Activity Towards Degradation of Organic Dyes Under Visible Light. / ZHAO , Weifeng; HAO , Ning; ZHANG , Gai; Aijie, MA; CHEN , Weixing; ZHOU , Hongwei; YANG , Dong; XU, BEN BIN; Kong, Jie.

In: Chemical Research in Chinese Universities, 20.05.2020.

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@article{35788a84c33b475299398abb948e5988,
title = "In situ Carbon Modification of g-C3N4 from Urea Co-crystal with Enhanced Photocatalytic Activity Towards Degradation of Organic Dyes Under Visible Light",
abstract = "An in situ strategy was introduced for synthesizing carbon modified graphitic carbon nitride(g-C3N4) by using urea/4-aminobenzoic acid(PABA) co-crystal(PABA@Urea) as precursor materials. Via co-calcination of the PABA co-former and the urea in PABA@Urea co-crystals, C guest species were generated and compounded into g-C3N4 matrix in situ by replacing the lattice N of the carbon nitride and forming carbon dots onto its layer surface.The carbon modification dramatically enhanced visible-light harvesting and charge carrier separation. Therefore,visible light photo-catalytic oxidation of methylene blue(MB) pollution in water over the carbon modified g-C3N4(C/g-C3N4) was notably improved. Up to 99% of methylene blue(MB) was eliminated within 60 min by the optimalsample prepared from the PABA@Urea co-crystal with a PABA content of 0.1%(mass ratio), faster than the degrada-tion rate over bare g-C3N4. The present study demonstrates a new way to boost up the photocatalysis performance ofg-C3N4, which holds great potential concerning the degradation of organic dyes from water.",
author = "Weifeng ZHAO and Ning HAO and Gai ZHANG and MA Aijie and Weixing CHEN and Hongwei ZHOU and Dong YANG and XU, {BEN BIN} and Jie Kong",
year = "2020",
month = may,
day = "20",
doi = "10.1007/s40242-020-0073-7",
language = "English",
journal = "Chemical Research in Chinese Universities",
issn = "1005-9040",
publisher = "Jilin University Press",

}

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TY - JOUR

T1 - In situ Carbon Modification of g-C3N4 from Urea Co-crystal with Enhanced Photocatalytic Activity Towards Degradation of Organic Dyes Under Visible Light

AU - ZHAO , Weifeng

AU - HAO , Ning

AU - ZHANG , Gai

AU - Aijie, MA

AU - CHEN , Weixing

AU - ZHOU , Hongwei

AU - YANG , Dong

AU - XU, BEN BIN

AU - Kong, Jie

PY - 2020/5/20

Y1 - 2020/5/20

N2 - An in situ strategy was introduced for synthesizing carbon modified graphitic carbon nitride(g-C3N4) by using urea/4-aminobenzoic acid(PABA) co-crystal(PABA@Urea) as precursor materials. Via co-calcination of the PABA co-former and the urea in PABA@Urea co-crystals, C guest species were generated and compounded into g-C3N4 matrix in situ by replacing the lattice N of the carbon nitride and forming carbon dots onto its layer surface.The carbon modification dramatically enhanced visible-light harvesting and charge carrier separation. Therefore,visible light photo-catalytic oxidation of methylene blue(MB) pollution in water over the carbon modified g-C3N4(C/g-C3N4) was notably improved. Up to 99% of methylene blue(MB) was eliminated within 60 min by the optimalsample prepared from the PABA@Urea co-crystal with a PABA content of 0.1%(mass ratio), faster than the degrada-tion rate over bare g-C3N4. The present study demonstrates a new way to boost up the photocatalysis performance ofg-C3N4, which holds great potential concerning the degradation of organic dyes from water.

AB - An in situ strategy was introduced for synthesizing carbon modified graphitic carbon nitride(g-C3N4) by using urea/4-aminobenzoic acid(PABA) co-crystal(PABA@Urea) as precursor materials. Via co-calcination of the PABA co-former and the urea in PABA@Urea co-crystals, C guest species were generated and compounded into g-C3N4 matrix in situ by replacing the lattice N of the carbon nitride and forming carbon dots onto its layer surface.The carbon modification dramatically enhanced visible-light harvesting and charge carrier separation. Therefore,visible light photo-catalytic oxidation of methylene blue(MB) pollution in water over the carbon modified g-C3N4(C/g-C3N4) was notably improved. Up to 99% of methylene blue(MB) was eliminated within 60 min by the optimalsample prepared from the PABA@Urea co-crystal with a PABA content of 0.1%(mass ratio), faster than the degrada-tion rate over bare g-C3N4. The present study demonstrates a new way to boost up the photocatalysis performance ofg-C3N4, which holds great potential concerning the degradation of organic dyes from water.

U2 - 10.1007/s40242-020-0073-7

DO - 10.1007/s40242-020-0073-7

M3 - Article

JO - Chemical Research in Chinese Universities

JF - Chemical Research in Chinese Universities

SN - 1005-9040

ER -