Enhancement of visible light organic dyes photodegradation using TiO2 (001)/Graphene oxide nanocomposite

被引：2
|
作者：
Izzataddini, Arini [1 ]
Romdoni, Yoga [2 ,3 ]
Helmiyati [2 ]
Marantika, Rika Novi [2 ,3 ]
Amir, Zulhemi [1 ]
Kadja, Grandprix T. M. [4 ,5 ,6 ]
Jiwanti, Prastika K. [7 ]
Khalil, Munawar [2 ,3 ]
Jan, Badrul Mohamed [1 ]
机构：
[1] Univ Malaya, Fac Engn, Dept Chem Engn, Kuala Lumpur 50603, Malaysia
[2] Univ Indonesia, Fac Math & Nat Sci, Dept Chem, Depok 16424, West Java, Indonesia
[3] Univ Indonesia, Fac Math & Nat Sci, Dept Chem, Low Dimens Mat Lab, Depok 16424, West Java, Indonesia
[4] Inst Teknol Bandung, Div Inorgan & Phys Chem, Jalan Ganesha 10, Bandung 40132, Indonesia
[5] Inst Teknol Bandung, Res Ctr Nanosci & Nanotechnol, Jalan Ganesha 10, Bandung 40132, Indonesia
[6] Inst Teknol Bandung, Ctr Catalysis & React Engn, Jalan Ganesha 10, Bandung 40132, Indonesia
[7] Univ Airlangga, Fac Adv Technol & Multidiscipline, Nanotechnol Engn Dept, Surabaya 60115, Indonesia
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2023年 / 157卷
关键词：
Crystal facet; Graphene oxide; Nanocomposite; Photocatalysis; Organic dyes; EXPOSED; 001; FACETS; ANATASE TIO2; PHOTOCATALYTIC DEGRADATION; METHYLENE-BLUE; POLLUTANTS POPS; GRAPHENE; PERFORMANCE; COMPOSITES; PERCENTAGE; FRAMEWORKS;
D O I：
10.1016/j.inoche.2023.111379
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Photodegradation has been considered one of the most promising ways to treat wastewater. In this work, TiO2 (001)/Graphene Oxide (GO) nanocomposite has been successfully synthesized using hydrogen fluoride as a crystal-directing agent towards (001) facets. The nanocomposite was characterized by FTIR, XRD, Raman, HR -TEM, and diffuse reflectance spectra (DRS). Based on the result, the TiO2 (001) was decorated on the surface of the GO sheet with high absorption of visible light. In addition, as-prepared TiO2 (001)/GO nanocomposite provides a synergistic effect by increasing dye degradation activity with 95% and 99% removal rates for the photodegradation of methylene blue and crystal violet dyes, respectively, under LED irradiation for 10 min. The photodegradation kinetics of TiO2 (001)/GO was also successfully modeled and was found to follow the pseudo -first order kinetic. The enhanced photodegradation of the TiO2 (001)/GO nanocomposite attributed to the excellent synergy between TiO2 (001) nanoparticles and GO, which results in the highly efficient photocatalyst for removing organic pollutants in water.
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页数：9
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