Facet-Dependent Photodegradation of Methylene Blue Using Pristine CeO2 Nanostructures

被引：90

作者：

Majumder, Deblina ^{[1
]}

Chakraborty, Indranil ^{[2
]}

Mandal, Kalyan ^{[2
]}

Roy, Somenath ^{[1
]}

机构：

[1] CSIR Cent Glass & Ceram Res Inst, 196 Raja SC Mullick Rd, Kolkata 700032, W Bengal, India

[2] SN Bose Natl Ctr Basic Sci, Block JD,Sect 3, Kolkata 700106, India

来源：

ACS OMEGA | 2019年 / 4卷 / 02期

关键词：

PHOTOCATALYTIC DEGRADATION; CATALYTIC PERFORMANCE; OXIDATION; NANOPARTICLES; NANOCRYSTALS; REACTIVITY; SURFACE; FENTON; DYES; AU;

D O I：

10.1021/acsomega.8b03298

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This work comprises the shape-and facet-dependent catalytic efficacies of different morphologies of CeO2, namely, hexagonal, rectangular, and square. The formation of different shapes of CeO2 is controlled using polyvinyl pyrrolidone as a surfactant. The surface reactivity of formation of differently exposed CeO2 facets is thoroughly investigated using UV-visible, photoluminescence, Raman, and X-ray photoelectron spectroscopies. A correlation between the growth of a surface-reactive facet and the corresponding oxygen vacancies is also established. Considering the tremendous contamination, caused by the textile effluents, the present study articulates the facet-dependent photocatalytic activities of pristine CeO2 for complete degradation of methylene blue within 175 min. The observed degradation time deploying pristine CeO2 as a catalyst is the shortest to be reported in the literature to our best knowledge.

引用

页码：4243 / 4251

页数：9

共 43 条

[1] Pt/CeO2 catalysts in crotonaldehyde hydrogenation:: Selectivity, metal particle size and SMSI states [J].

Abid, M ;

Paul-Boncour, V ;

Touroude, R .

APPLIED CATALYSIS A-GENERAL, 2006, 297 (01) :48-59

[2]

Apostolescu GA, 2015, ENVIRON ENG MANAG J, V14, P415

[3] Photocatalytic Degradation of Methyl Orange by CeO2 and Fe-doped CeO2 Films under Visible Light Irradiation [J].

Channei, D. ;

Inceesungvorn, B. ;

Wetchakun, N. ;

Ukritnukun, S. ;

Nattestad, A. ;

Chen, J. ;

Phanichphant, S. .

SCIENTIFIC REPORTS, 2014, 4

[4] Au on (111) and (110) surfaces of CeO2:: A density-functional theory study [J].

Chen, Ying ;

Hu, P. ;

Lee, Ming-Hsien ;

Wang, Haifeng .

SURFACE SCIENCE, 2008, 602 (10) :1736-1741

[5]

Chengbao Liu, 2014, Materials Science Forum, V787, P41, DOI 10.4028/www.scientific.net/MSF.787.41

[6] Hierarchically mesostructured doped CeO2 with potential for solar-cell use [J].

Corma, A ;

Atienzar, P ;

García, H ;

Chane-Ching, JY .

NATURE MATERIALS, 2004, 3 (06) :394-397

[7] Morphology Dependence of Catalytic Properties of Ni/CeO2 Nanostructures for Carbon Dioxide Reforming of Methane [J].

Du, Xianjun ;

Zhang, Dengsong ;

Shi, Liyi ;

Gao, Ruihua ;

Zhang, Jianping .

JOURNAL OF PHYSICAL CHEMISTRY C, 2012, 116 (18) :10009-10016

[8] Microwave synthesis of pure and doped cerium (IV) oxide (CeO2) nanoparticles for methylene blue degradation [J].

El Rouby, W. M. A. ;

Farghali, A. A. ;

Hamdedein, A. .

WATER SCIENCE AND TECHNOLOGY, 2016, 74 (10) :2325-2336

[9] Investigation of the Facet-Dependent Catalytic Performance of Fe2O3/CeO2 for the Selective Catalytic Reduction of NO with NH3 [J].

Han, Jin ;

Meeprasert, Jittima ;

Maitarad, Phornphimon ;

Nammuangruk, Supawadee ;

Shi, Liyi ;

Zhang, Dengsong .

JOURNAL OF PHYSICAL CHEMISTRY C, 2016, 120 (03) :1523-1533

[10] Photocatalytic degradation pathway of methylene blue in water [J].

Houas, A ;

Lachheb, H ;

Ksibi, M ;

Elaloui, E ;

Guillard, C ;

Herrmann, JM .

APPLIED CATALYSIS B-ENVIRONMENTAL, 2001, 31 (02) :145-157

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