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|a 10.1021/acs.langmuir.3c03896
|2 doi
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|a pubmed24n1385.xml
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|a (DE-627)NLM370777409
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|a (NLM)38588383
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Faisal, Shah
|e verfasserin
|4 aut
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|a Photocatalytic Activity of BaAl2O4 for Water Purification
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 23.04.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Degradation of dyes under natural light sources is one of the most active research areas in basic science for greener technology. In this context, the photocatalytic activity of semiconductors has received massive attention in solving water treatment-related issues as these possess enormous potential for degrading organic impurities. Here, we report that barium aluminate (BaAl2O4, BAO), which has been extensively studied for photoluminescence applications, is found to be a highly potent candidate for photocatalytic activities. We have explored the degradation of dyes (meant for water purification) by using the photocatalytic properties of pure and Dy- and Yb-codoped BAO. Crystal structure, electron microscopy, and Raman analysis of the autocombustion-synthesized pure and codoped BAO samples revealed significant morphological changes such as increased particle size and stabilization of rod-like structures. UV-vis absorbance measurements confirm the presence of multiple bandgaps in the BAO samples, which is substantiated by X-ray absorption spectroscopy measurements. Photocatalytic degradation studies of methylene blue (MB) dye (with different catalyst concentrations, dopings, and MB dye concentrations) have been carried out by using BAO. The kinetics of the photocatalytic degradation measurements has been explained by the Boltzmann distribution function, and the fastest (in less than 40 min), with more than 99% degradation of MB impurity, is reported here for the first time in BAO compounds. Synthesized BAO samples show excellent cyclic stability, which is essential for their potential applications in environmental remediation. The trade-off between the enhancement of surface area and increased particle size is considered the key parameter for controlling the photocatalytic performance of the BAO catalyst after Dy and Yb codopings
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|a Journal Article
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|a Majid, Sofi Suhail
|e verfasserin
|4 aut
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|a Ahad, Abdul
|e verfasserin
|4 aut
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|a Sofi, Feroz Ahmad
|e verfasserin
|4 aut
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|a Mohanta, Samanway
|e verfasserin
|4 aut
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|a Gupta, Mukul
|e verfasserin
|4 aut
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|a Sahu, Pabitra
|e verfasserin
|4 aut
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|a Hsieh, Wen-Pin
|e verfasserin
|4 aut
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| 700 |
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|a Srivastava, Himanshu
|e verfasserin
|4 aut
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|a Ikram, Mohd
|e verfasserin
|4 aut
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| 700 |
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|a Shukla, Dinesh Kumar
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 40(2024), 16 vom: 23. Apr., Seite 8418-8426
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:16
|g day:23
|g month:04
|g pages:8418-8426
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|u http://dx.doi.org/10.1021/acs.langmuir.3c03896
|3 Volltext
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|d 40
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|h 8418-8426
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