Influencing Factors in the Synthesis of Photoactive Nanocomposites of ZnO/SiO<sub<2</sub<-Porous Heterostructures from Montmorillonite and the Study for Methyl Violet Photodegradation

In this work, photoactive nanocomposites of ZnO/SiO<sub<2</sub< porous heterostructures (PCHs) were prepared from montmorillonite clay. The effects of preparation methods and Zn content on the physicochemical features and photocatalytic properties were investigated. Briefly, a comparison...
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Autor*in:	Is Fatimah [verfasserIn] Gani Purwiandono [verfasserIn] Putwi Widya Citradewi [verfasserIn] Suresh Sagadevan [verfasserIn] Won-Chun Oh [verfasserIn] Ruey-an Doong [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	advanced oxidation process photocatalyst porous clay heterostructure photodegradation

Übergeordnetes Werk:	In: Nanomaterials - MDPI AG, 2012, 11(2021), 12, p 3427
Übergeordnetes Werk:	volume:11 ; year:2021 ; number:12, p 3427

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/nano11123427

Katalog-ID:	DOAJ002897326

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allfieldsSound	10.3390/nano11123427 doi (DE-627)DOAJ002897326 (DE-599)DOAJ5f154a0f726b44f983a0d203191741e1 DE-627 ger DE-627 rakwb eng QD1-999 Is Fatimah verfasserin aut Influencing Factors in the Synthesis of Photoactive Nanocomposites of ZnO/SiO<sub<2</sub<-Porous Heterostructures from Montmorillonite and the Study for Methyl Violet Photodegradation 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, photoactive nanocomposites of ZnO/SiO<sub<2</sub< porous heterostructures (PCHs) were prepared from montmorillonite clay. The effects of preparation methods and Zn content on the physicochemical features and photocatalytic properties were investigated. Briefly, a comparison of the use of hydrothermal and microwave-assisted methods was done. The Zn content was varied between 5 and 15 wt% and the characteristics of the nanomaterials were also examined. The physical and chemical properties of the materials were characterized using X-ray diffraction, diffuse-reflectance UV-Vis, X-ray photoelectron spectroscopy, and gas sorption analyses. The morphology of the synthesized materials was characterized through scanning electron microscopy and transmission electron microscopy. The photocatalytic performance of the prepared materials was quantified through the photocatalytic degradation of methyl violet (MV) under irradiation with UV and visible light. It was found that PCHs exhibit greatly improved physicochemical characteristics as photocatalysts, resulting in boosting photocatalytic activity for the degradation of MV. It was found that varied synthesis methods and Zn content strongly affected the specific surface area, pore distribution, and band gap energy of PCHs. In addition, the band gap energy was found to govern the photoactivity. Additionally, the surface parameters of the PCHs were found to contribute to the degradation mechanism. It was found that the prepared PCHs demonstrated excellent photocatalytic activity and reusability, as seen in the high degradation efficiency attained at high concentrations. No significant changes in activity were seen until five cycles of photodegradation were done. advanced oxidation process photocatalyst porous clay heterostructure photodegradation Chemistry Gani Purwiandono verfasserin aut Putwi Widya Citradewi verfasserin aut Suresh Sagadevan verfasserin aut Won-Chun Oh verfasserin aut Ruey-an Doong verfasserin aut In Nanomaterials MDPI AG, 2012 11(2021), 12, p 3427 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:11 year:2021 number:12, p 3427 https://doi.org/10.3390/nano11123427 kostenfrei https://doaj.org/article/5f154a0f726b44f983a0d203191741e1 kostenfrei https://www.mdpi.com/2079-4991/11/12/3427 kostenfrei https://doaj.org/toc/2079-4991 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2021 12, p 3427
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spellingShingle	Is Fatimah misc QD1-999 misc advanced oxidation process misc photocatalyst misc porous clay heterostructure misc photodegradation misc Chemistry Influencing Factors in the Synthesis of Photoactive Nanocomposites of ZnO/SiO<sub<2</sub<-Porous Heterostructures from Montmorillonite and the Study for Methyl Violet Photodegradation
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topic_title	QD1-999 Influencing Factors in the Synthesis of Photoactive Nanocomposites of ZnO/SiO<sub<2</sub<-Porous Heterostructures from Montmorillonite and the Study for Methyl Violet Photodegradation advanced oxidation process photocatalyst porous clay heterostructure photodegradation
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title	Influencing Factors in the Synthesis of Photoactive Nanocomposites of ZnO/SiO<sub<2</sub<-Porous Heterostructures from Montmorillonite and the Study for Methyl Violet Photodegradation
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title_full	Influencing Factors in the Synthesis of Photoactive Nanocomposites of ZnO/SiO<sub<2</sub<-Porous Heterostructures from Montmorillonite and the Study for Methyl Violet Photodegradation
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author_browse	Is Fatimah Gani Purwiandono Putwi Widya Citradewi Suresh Sagadevan Won-Chun Oh Ruey-an Doong
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title_sort	influencing factors in the synthesis of photoactive nanocomposites of zno/sio<sub<2</sub<-porous heterostructures from montmorillonite and the study for methyl violet photodegradation
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title_auth	Influencing Factors in the Synthesis of Photoactive Nanocomposites of ZnO/SiO<sub<2</sub<-Porous Heterostructures from Montmorillonite and the Study for Methyl Violet Photodegradation
abstract	In this work, photoactive nanocomposites of ZnO/SiO<sub<2</sub< porous heterostructures (PCHs) were prepared from montmorillonite clay. The effects of preparation methods and Zn content on the physicochemical features and photocatalytic properties were investigated. Briefly, a comparison of the use of hydrothermal and microwave-assisted methods was done. The Zn content was varied between 5 and 15 wt% and the characteristics of the nanomaterials were also examined. The physical and chemical properties of the materials were characterized using X-ray diffraction, diffuse-reflectance UV-Vis, X-ray photoelectron spectroscopy, and gas sorption analyses. The morphology of the synthesized materials was characterized through scanning electron microscopy and transmission electron microscopy. The photocatalytic performance of the prepared materials was quantified through the photocatalytic degradation of methyl violet (MV) under irradiation with UV and visible light. It was found that PCHs exhibit greatly improved physicochemical characteristics as photocatalysts, resulting in boosting photocatalytic activity for the degradation of MV. It was found that varied synthesis methods and Zn content strongly affected the specific surface area, pore distribution, and band gap energy of PCHs. In addition, the band gap energy was found to govern the photoactivity. Additionally, the surface parameters of the PCHs were found to contribute to the degradation mechanism. It was found that the prepared PCHs demonstrated excellent photocatalytic activity and reusability, as seen in the high degradation efficiency attained at high concentrations. No significant changes in activity were seen until five cycles of photodegradation were done.
abstractGer	In this work, photoactive nanocomposites of ZnO/SiO<sub<2</sub< porous heterostructures (PCHs) were prepared from montmorillonite clay. The effects of preparation methods and Zn content on the physicochemical features and photocatalytic properties were investigated. Briefly, a comparison of the use of hydrothermal and microwave-assisted methods was done. The Zn content was varied between 5 and 15 wt% and the characteristics of the nanomaterials were also examined. The physical and chemical properties of the materials were characterized using X-ray diffraction, diffuse-reflectance UV-Vis, X-ray photoelectron spectroscopy, and gas sorption analyses. The morphology of the synthesized materials was characterized through scanning electron microscopy and transmission electron microscopy. The photocatalytic performance of the prepared materials was quantified through the photocatalytic degradation of methyl violet (MV) under irradiation with UV and visible light. It was found that PCHs exhibit greatly improved physicochemical characteristics as photocatalysts, resulting in boosting photocatalytic activity for the degradation of MV. It was found that varied synthesis methods and Zn content strongly affected the specific surface area, pore distribution, and band gap energy of PCHs. In addition, the band gap energy was found to govern the photoactivity. Additionally, the surface parameters of the PCHs were found to contribute to the degradation mechanism. It was found that the prepared PCHs demonstrated excellent photocatalytic activity and reusability, as seen in the high degradation efficiency attained at high concentrations. No significant changes in activity were seen until five cycles of photodegradation were done.
abstract_unstemmed	In this work, photoactive nanocomposites of ZnO/SiO<sub<2</sub< porous heterostructures (PCHs) were prepared from montmorillonite clay. The effects of preparation methods and Zn content on the physicochemical features and photocatalytic properties were investigated. Briefly, a comparison of the use of hydrothermal and microwave-assisted methods was done. The Zn content was varied between 5 and 15 wt% and the characteristics of the nanomaterials were also examined. The physical and chemical properties of the materials were characterized using X-ray diffraction, diffuse-reflectance UV-Vis, X-ray photoelectron spectroscopy, and gas sorption analyses. The morphology of the synthesized materials was characterized through scanning electron microscopy and transmission electron microscopy. The photocatalytic performance of the prepared materials was quantified through the photocatalytic degradation of methyl violet (MV) under irradiation with UV and visible light. It was found that PCHs exhibit greatly improved physicochemical characteristics as photocatalysts, resulting in boosting photocatalytic activity for the degradation of MV. It was found that varied synthesis methods and Zn content strongly affected the specific surface area, pore distribution, and band gap energy of PCHs. In addition, the band gap energy was found to govern the photoactivity. Additionally, the surface parameters of the PCHs were found to contribute to the degradation mechanism. It was found that the prepared PCHs demonstrated excellent photocatalytic activity and reusability, as seen in the high degradation efficiency attained at high concentrations. No significant changes in activity were seen until five cycles of photodegradation were done.
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title_short	Influencing Factors in the Synthesis of Photoactive Nanocomposites of ZnO/SiO<sub<2</sub<-Porous Heterostructures from Montmorillonite and the Study for Methyl Violet Photodegradation
url	https://doi.org/10.3390/nano11123427 https://doaj.org/article/5f154a0f726b44f983a0d203191741e1 https://www.mdpi.com/2079-4991/11/12/3427 https://doaj.org/toc/2079-4991
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It was found that PCHs exhibit greatly improved physicochemical characteristics as photocatalysts, resulting in boosting photocatalytic activity for the degradation of MV. It was found that varied synthesis methods and Zn content strongly affected the specific surface area, pore distribution, and band gap energy of PCHs. In addition, the band gap energy was found to govern the photoactivity. Additionally, the surface parameters of the PCHs were found to contribute to the degradation mechanism. It was found that the prepared PCHs demonstrated excellent photocatalytic activity and reusability, as seen in the high degradation efficiency attained at high concentrations. 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Influencing Factors in the Synthesis of Photoactive Nanocomposites of ZnO/SiO<sub<2</sub<-Porous Heterostructures from Montmorillonite and the Study for Methyl Violet Photodegradation

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