The Study of Photocatalytic Degradation Kinetics and Mechanism of Malachite Green Dye on Ni–TiO2 Surface Modified with Polyaniline

Girmaye Asefa; Dunkana Negussa; Gemechu Lemessa; Tibebu Alemu

doi:10.1155/2024/5259089

journal article Open Access Feb 16, 2024

The Study of Photocatalytic Degradation Kinetics and Mechanism of Malachite Green Dye on Ni–TiO2 Surface Modified with Polyaniline

Girmaye Asefa

Dunkana Negussa Gemechu Lemessa

Tibebu Alemu

Journal of Nanomaterials Vol. 2024 pp. 1-11 · Wiley

View at Publisher Save 10.1155/2024/5259089

Abstract

Synthetic organic dyes are coloring agents used in various industries. Despite the fact that they offer exciting colors and long-lasting effects, certain organic dyes can have harmful impacts on human health and aquatic ecosystems. This study investigates the photocatalytic degradation of malachite green dye using Ni–TiO2 nanoparticles (NPs) and Ni–TiO2/PANI nanocomposites (NCs) in various reaction conditions. The surface and compositional change of synthesized photocatalysts were characterized by XRD, FTIR, AAS, and UV–vis spectrophotometer. Accordingly, the XRD results signify the crystal structure of photocatalysts found to be tetragonal anatase phase while the FT-IR spectra indicate the titanium has predominantly form a coordination compound upon reaction with nitrogen atom through weakening the bond strength between C═N, C═C, and C─N in the PANI. The UV–vis measurement shows that the energy bandgaps were decreased from 3.20 to 2.77 eV and 2.59 eV for Ni–TiO2 NPs and Ni–TiO2/PANI NCs, respectively. From AAS data, the authors confirmed that Ni metal has significantly existed in the aforementioned photocatalysts after the calcination process. The photocatalytic degradation of Ni–TiO2 NPs and Ni–TiO2/PANI NCs on the model dye has studied and their efficiency was 94.22% and 99.09%, respectively. The photocatalytic degradation follows pseudo-first order with 2.23 × 10−2 min−1 reaction rate at optimum conditions of pH 8.5, initial dye concentration of 0.2 g/L, catalyst load of 0.2 g/L, and irradiation time of 90 min. With this, the outstanding result recorded using Ni–TiO2/PANI NCs is ascribed to the smaller particle size as compared to Ni–TiO2 NPs, and it is found to be the promising photocatalyst for the removal of wastewater containing organic dyes.

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References

52

[1]

10.3390/ijerph110808137

[2]

10.1016/j.scitotenv.2020.137222

[3]

10.1039/c4ra16959j

[4]

10.1002/9781119526599.ch2

[5]

R. Azmat "Spectral analysis of catalytic oxidation and degradation of bromophenol blue at low pH with potassium dichromate" Advances in Natural Science (2013)

[6]

10.4236/jep.2012.39124

[7]

10.1016/j.seppur.2018.09.014

[8]

10.1007/s13201-016-0512-2

[9]

10.1016/j.apcata.2014.10.053

[10]

10.1016/j.cis.2019.102009

[11]

10.1016/j.jhazmat.2009.10.058

[12]

10.1002/clen.201000182

[13]

10.1039/c7cy00468k

[14]

10.1016/j.jece.2017.07.080

[15]

10.1007/s10876-017-1216-y

[16]

10.1039/c5cs00352k

[17]

10.1016/j.watres.2015.04.038

[18]

10.1038/nmat3151

[19]

10.1021/jp3112183

[20]

10.1016/j.powtec.2014.04.050

[21]

10.1021/acscatal.6b03277

[22]

10.15251/djnb

[23]

10.1016/j.jiec.2015.08.002

[24]

10.1016/j.msec.2017.05.115

[25]

10.1016/j.jpowsour.2018.08.039

[26]

10.1021/acsami.9b12123

[27]

10.1016/j.progpolymsci.2011.04.001

[28]

10.1016/j.jcis.2017.06.054

[29]

10.5004/dwt.2017

[30]

10.1021/ie401389e

[31]

10.1016/j.jhazmat.2016.04.035

[32]

10.1016/j.heliyon.2022.e11608

[33]

10.1016/j.matchemphys.2018.02.040

[34]

10.1016/j.cej.2016.02.043

[35]

10.1021/je101276x

[36]

Y. Brhane "Synthesis and characterization of Cr-NP-TRI doped ZnO nanoparticles for photocatalytic degradation of Malachite Green under visible radiation" Research Journal of Pharmaceutical, Biological and Chemical Sciences (2018)

[37]

10.1007/s13204-023-02968-2

[38]

10.1016/j.jtice.2017.10.011

[39]

Fabrication and characterization of a nanocomposite hydrogel for combined photocatalytic degradation of a mixture of malachite green and fast green dye

Gaurav Sharma, Zeid Abdullah ALOthman, AMiT Kumar et al.

Nanotechnology for Environmental Engineering 10.1007/s41204-017-0014-y

[40]

10.1016/j.jallcom.2014.02.142

[41]

10.1016/j.jenvman.2019.110043

[42]

10.1016/j.ceramint.2013.08.030

[43]

10.1016/j.snb.2013.02.035

[44]

10.1016/j.saa.2014.02.116

[45]

10.1021/acs.jpcc.8b09327

[46]

10.3390/nano7120412

[47]

10.1016/j.materresbull.2012.09.036

[48]

10.1021/jacs.5b12474

[49]

10.1016/j.jtice.2021.02.001

[50]

10.1039/c5cp01769f

Showing 50 of 52 references

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Details

Published: Feb 16, 2024
Vol/Issue: 2024
Pages: 1-11
License: View

Authors

G

Girmaye Asefa

Department of Chemistry, College of Natural and Computational Sciences, Ambo University, Ambo, Ethiopia

D

Dunkana Negussa

Department of Chemistry, College of Natural and Computational Sciences, Wollega University, Nekemte, Ethiopia

G

Gemechu Lemessa

Department of Chemistry, College of Natural and Computational Sciences, Wollega University, Nekemte, Ethiopia

T

Tibebu Alemu

Department of Chemistry, College of Natural and Computational Sciences, Ambo University, Ambo, Ethiopia

Cite This Article

Girmaye Asefa, Dunkana Negussa, Gemechu Lemessa, et al. (2024). The Study of Photocatalytic Degradation Kinetics and Mechanism of Malachite Green Dye on Ni–TiO2 Surface Modified with Polyaniline. Journal of Nanomaterials, 2024, 1-11. https://doi.org/10.1155/2024/5259089

The Study of Photocatalytic Degradation Kinetics and Mechanism of Malachite Green Dye on Ni–TiO2 Surface Modified with Polyaniline

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