Efficient Photoelectrochemical Water Splitting by Tailoring MoS<sub<2</sub</CoTe Heterojunction in a Photoelectrochemical Cell

Solar energy conversion through photoelectrochemical water splitting (PEC) is an upcoming promising technique. MoS<sub<2</sub</CoTe heterostructures were successfully prepared and utilized for PEC studies. MoS<sub<2</sub< and CoTe were prepared by a hydrothermal method which...
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Gespeichert in:

Autor*in:	Effat Sitara [verfasserIn] Habib Nasir [verfasserIn] Asad Mumtaz [verfasserIn] Muhammad Fahad Ehsan [verfasserIn] Manzar Sohail [verfasserIn] Sadia Iram [verfasserIn] Syeda Aqsa Batool Bukhari [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	photoelectrochemical water splitting heterojunction molybdenum disulfide cobalt telluride

Übergeordnetes Werk:	In: Nanomaterials - MDPI AG, 2012, 10(2020), 12, p 2341
Übergeordnetes Werk:	volume:10 ; year:2020 ; number:12, p 2341

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/nano10122341

Katalog-ID:	DOAJ008194203

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520			\|a Solar energy conversion through photoelectrochemical water splitting (PEC) is an upcoming promising technique. MoS<sub<2</sub</CoTe heterostructures were successfully prepared and utilized for PEC studies. MoS<sub<2</sub< and CoTe were prepared by a hydrothermal method which were then ultrasonicated with wt. % ratios of 1:3, 1:1 and 3:1 to prepare MoS<sub<2</sub</CoTe (1:3), MoS<sub<2</sub</CoTe (1:1) and MoS<sub<2</sub</CoTe (3:1) heterostructure, respectively. The pure materials and heterostructures were characterized by XRD, UV–vis-DRS, SEM, XPS, PL and Raman spectroscopy. Photoelectrochemical measurements were carried out by linear sweep voltammetry and electrochemical impedance spectroscopic measurements. A maximum photocurrent density of 2.791 mA/cm<sup<2</sup< was observed for the MoS<sub<2</sub</CoTe (1:1) heterojunction which is about 11 times higher than the pristine MoS<sub<2</sub<. This current density was obtained at an applied bias of 0.62 V vs. Ag/AgCl (1.23 V vs. RHE) under the light intensity of 100 mW/cm<sup<2</sup< of AM 1.5G illumination. The enhanced photocurrent density may be attributed to the efficient electron–hole pair separation. The solar to hydrogen conversion efficiency was found to be 0.84% for 1:1 MoS<sub<2</sub</CoTe, signifying the efficient formation of the p-n junction. This study offers a novel heterojunction photocatalyst, for PEC water splitting.
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allfields_unstemmed	10.3390/nano10122341 doi (DE-627)DOAJ008194203 (DE-599)DOAJ19f7f548648542afa0f6cd0c5d26b6ac DE-627 ger DE-627 rakwb eng QD1-999 Effat Sitara verfasserin aut Efficient Photoelectrochemical Water Splitting by Tailoring MoS<sub<2</sub</CoTe Heterojunction in a Photoelectrochemical Cell 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Solar energy conversion through photoelectrochemical water splitting (PEC) is an upcoming promising technique. MoS<sub<2</sub</CoTe heterostructures were successfully prepared and utilized for PEC studies. MoS<sub<2</sub< and CoTe were prepared by a hydrothermal method which were then ultrasonicated with wt. % ratios of 1:3, 1:1 and 3:1 to prepare MoS<sub<2</sub</CoTe (1:3), MoS<sub<2</sub</CoTe (1:1) and MoS<sub<2</sub</CoTe (3:1) heterostructure, respectively. The pure materials and heterostructures were characterized by XRD, UV–vis-DRS, SEM, XPS, PL and Raman spectroscopy. Photoelectrochemical measurements were carried out by linear sweep voltammetry and electrochemical impedance spectroscopic measurements. A maximum photocurrent density of 2.791 mA/cm<sup<2</sup< was observed for the MoS<sub<2</sub</CoTe (1:1) heterojunction which is about 11 times higher than the pristine MoS<sub<2</sub<. This current density was obtained at an applied bias of 0.62 V vs. Ag/AgCl (1.23 V vs. RHE) under the light intensity of 100 mW/cm<sup<2</sup< of AM 1.5G illumination. The enhanced photocurrent density may be attributed to the efficient electron–hole pair separation. The solar to hydrogen conversion efficiency was found to be 0.84% for 1:1 MoS<sub<2</sub</CoTe, signifying the efficient formation of the p-n junction. This study offers a novel heterojunction photocatalyst, for PEC water splitting. photoelectrochemical water splitting heterojunction molybdenum disulfide cobalt telluride Chemistry Habib Nasir verfasserin aut Asad Mumtaz verfasserin aut Muhammad Fahad Ehsan verfasserin aut Manzar Sohail verfasserin aut Sadia Iram verfasserin aut Syeda Aqsa Batool Bukhari verfasserin aut In Nanomaterials MDPI AG, 2012 10(2020), 12, p 2341 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:10 year:2020 number:12, p 2341 https://doi.org/10.3390/nano10122341 kostenfrei https://doaj.org/article/19f7f548648542afa0f6cd0c5d26b6ac kostenfrei https://www.mdpi.com/2079-4991/10/12/2341 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 10 2020 12, p 2341
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allfieldsSound	10.3390/nano10122341 doi (DE-627)DOAJ008194203 (DE-599)DOAJ19f7f548648542afa0f6cd0c5d26b6ac DE-627 ger DE-627 rakwb eng QD1-999 Effat Sitara verfasserin aut Efficient Photoelectrochemical Water Splitting by Tailoring MoS<sub<2</sub</CoTe Heterojunction in a Photoelectrochemical Cell 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Solar energy conversion through photoelectrochemical water splitting (PEC) is an upcoming promising technique. MoS<sub<2</sub</CoTe heterostructures were successfully prepared and utilized for PEC studies. MoS<sub<2</sub< and CoTe were prepared by a hydrothermal method which were then ultrasonicated with wt. % ratios of 1:3, 1:1 and 3:1 to prepare MoS<sub<2</sub</CoTe (1:3), MoS<sub<2</sub</CoTe (1:1) and MoS<sub<2</sub</CoTe (3:1) heterostructure, respectively. The pure materials and heterostructures were characterized by XRD, UV–vis-DRS, SEM, XPS, PL and Raman spectroscopy. Photoelectrochemical measurements were carried out by linear sweep voltammetry and electrochemical impedance spectroscopic measurements. A maximum photocurrent density of 2.791 mA/cm<sup<2</sup< was observed for the MoS<sub<2</sub</CoTe (1:1) heterojunction which is about 11 times higher than the pristine MoS<sub<2</sub<. This current density was obtained at an applied bias of 0.62 V vs. Ag/AgCl (1.23 V vs. RHE) under the light intensity of 100 mW/cm<sup<2</sup< of AM 1.5G illumination. The enhanced photocurrent density may be attributed to the efficient electron–hole pair separation. The solar to hydrogen conversion efficiency was found to be 0.84% for 1:1 MoS<sub<2</sub</CoTe, signifying the efficient formation of the p-n junction. This study offers a novel heterojunction photocatalyst, for PEC water splitting. photoelectrochemical water splitting heterojunction molybdenum disulfide cobalt telluride Chemistry Habib Nasir verfasserin aut Asad Mumtaz verfasserin aut Muhammad Fahad Ehsan verfasserin aut Manzar Sohail verfasserin aut Sadia Iram verfasserin aut Syeda Aqsa Batool Bukhari verfasserin aut In Nanomaterials MDPI AG, 2012 10(2020), 12, p 2341 (DE-627)718627199 (DE-600)2662255-5 20794991 nnns volume:10 year:2020 number:12, p 2341 https://doi.org/10.3390/nano10122341 kostenfrei https://doaj.org/article/19f7f548648542afa0f6cd0c5d26b6ac kostenfrei https://www.mdpi.com/2079-4991/10/12/2341 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 10 2020 12, p 2341
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spellingShingle	Effat Sitara misc QD1-999 misc photoelectrochemical water splitting misc heterojunction misc molybdenum disulfide misc cobalt telluride misc Chemistry Efficient Photoelectrochemical Water Splitting by Tailoring MoS<sub<2</sub</CoTe Heterojunction in a Photoelectrochemical Cell
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topic_title	QD1-999 Efficient Photoelectrochemical Water Splitting by Tailoring MoS<sub<2</sub</CoTe Heterojunction in a Photoelectrochemical Cell photoelectrochemical water splitting heterojunction molybdenum disulfide cobalt telluride
topic	misc QD1-999 misc photoelectrochemical water splitting misc heterojunction misc molybdenum disulfide misc cobalt telluride misc Chemistry
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title	Efficient Photoelectrochemical Water Splitting by Tailoring MoS<sub<2</sub</CoTe Heterojunction in a Photoelectrochemical Cell
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title_full	Efficient Photoelectrochemical Water Splitting by Tailoring MoS<sub<2</sub</CoTe Heterojunction in a Photoelectrochemical Cell
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title_sort	efficient photoelectrochemical water splitting by tailoring mos<sub<2</sub</cote heterojunction in a photoelectrochemical cell
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title_auth	Efficient Photoelectrochemical Water Splitting by Tailoring MoS<sub<2</sub</CoTe Heterojunction in a Photoelectrochemical Cell
abstract	Solar energy conversion through photoelectrochemical water splitting (PEC) is an upcoming promising technique. MoS<sub<2</sub</CoTe heterostructures were successfully prepared and utilized for PEC studies. MoS<sub<2</sub< and CoTe were prepared by a hydrothermal method which were then ultrasonicated with wt. % ratios of 1:3, 1:1 and 3:1 to prepare MoS<sub<2</sub</CoTe (1:3), MoS<sub<2</sub</CoTe (1:1) and MoS<sub<2</sub</CoTe (3:1) heterostructure, respectively. The pure materials and heterostructures were characterized by XRD, UV–vis-DRS, SEM, XPS, PL and Raman spectroscopy. Photoelectrochemical measurements were carried out by linear sweep voltammetry and electrochemical impedance spectroscopic measurements. A maximum photocurrent density of 2.791 mA/cm<sup<2</sup< was observed for the MoS<sub<2</sub</CoTe (1:1) heterojunction which is about 11 times higher than the pristine MoS<sub<2</sub<. This current density was obtained at an applied bias of 0.62 V vs. Ag/AgCl (1.23 V vs. RHE) under the light intensity of 100 mW/cm<sup<2</sup< of AM 1.5G illumination. The enhanced photocurrent density may be attributed to the efficient electron–hole pair separation. The solar to hydrogen conversion efficiency was found to be 0.84% for 1:1 MoS<sub<2</sub</CoTe, signifying the efficient formation of the p-n junction. This study offers a novel heterojunction photocatalyst, for PEC water splitting.
abstractGer	Solar energy conversion through photoelectrochemical water splitting (PEC) is an upcoming promising technique. MoS<sub<2</sub</CoTe heterostructures were successfully prepared and utilized for PEC studies. MoS<sub<2</sub< and CoTe were prepared by a hydrothermal method which were then ultrasonicated with wt. % ratios of 1:3, 1:1 and 3:1 to prepare MoS<sub<2</sub</CoTe (1:3), MoS<sub<2</sub</CoTe (1:1) and MoS<sub<2</sub</CoTe (3:1) heterostructure, respectively. The pure materials and heterostructures were characterized by XRD, UV–vis-DRS, SEM, XPS, PL and Raman spectroscopy. Photoelectrochemical measurements were carried out by linear sweep voltammetry and electrochemical impedance spectroscopic measurements. A maximum photocurrent density of 2.791 mA/cm<sup<2</sup< was observed for the MoS<sub<2</sub</CoTe (1:1) heterojunction which is about 11 times higher than the pristine MoS<sub<2</sub<. This current density was obtained at an applied bias of 0.62 V vs. Ag/AgCl (1.23 V vs. RHE) under the light intensity of 100 mW/cm<sup<2</sup< of AM 1.5G illumination. The enhanced photocurrent density may be attributed to the efficient electron–hole pair separation. The solar to hydrogen conversion efficiency was found to be 0.84% for 1:1 MoS<sub<2</sub</CoTe, signifying the efficient formation of the p-n junction. This study offers a novel heterojunction photocatalyst, for PEC water splitting.
abstract_unstemmed	Solar energy conversion through photoelectrochemical water splitting (PEC) is an upcoming promising technique. MoS<sub<2</sub</CoTe heterostructures were successfully prepared and utilized for PEC studies. MoS<sub<2</sub< and CoTe were prepared by a hydrothermal method which were then ultrasonicated with wt. % ratios of 1:3, 1:1 and 3:1 to prepare MoS<sub<2</sub</CoTe (1:3), MoS<sub<2</sub</CoTe (1:1) and MoS<sub<2</sub</CoTe (3:1) heterostructure, respectively. The pure materials and heterostructures were characterized by XRD, UV–vis-DRS, SEM, XPS, PL and Raman spectroscopy. Photoelectrochemical measurements were carried out by linear sweep voltammetry and electrochemical impedance spectroscopic measurements. A maximum photocurrent density of 2.791 mA/cm<sup<2</sup< was observed for the MoS<sub<2</sub</CoTe (1:1) heterojunction which is about 11 times higher than the pristine MoS<sub<2</sub<. This current density was obtained at an applied bias of 0.62 V vs. Ag/AgCl (1.23 V vs. RHE) under the light intensity of 100 mW/cm<sup<2</sup< of AM 1.5G illumination. The enhanced photocurrent density may be attributed to the efficient electron–hole pair separation. The solar to hydrogen conversion efficiency was found to be 0.84% for 1:1 MoS<sub<2</sub</CoTe, signifying the efficient formation of the p-n junction. This study offers a novel heterojunction photocatalyst, for PEC water splitting.
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title_short	Efficient Photoelectrochemical Water Splitting by Tailoring MoS<sub<2</sub</CoTe Heterojunction in a Photoelectrochemical Cell
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MoS<sub<2</sub</CoTe heterostructures were successfully prepared and utilized for PEC studies. MoS<sub<2</sub< and CoTe were prepared by a hydrothermal method which were then ultrasonicated with wt. % ratios of 1:3, 1:1 and 3:1 to prepare MoS<sub<2</sub</CoTe (1:3), MoS<sub<2</sub</CoTe (1:1) and MoS<sub<2</sub</CoTe (3:1) heterostructure, respectively. The pure materials and heterostructures were characterized by XRD, UV–vis-DRS, SEM, XPS, PL and Raman spectroscopy. Photoelectrochemical measurements were carried out by linear sweep voltammetry and electrochemical impedance spectroscopic measurements. A maximum photocurrent density of 2.791 mA/cm<sup<2</sup< was observed for the MoS<sub<2</sub</CoTe (1:1) heterojunction which is about 11 times higher than the pristine MoS<sub<2</sub<. This current density was obtained at an applied bias of 0.62 V vs. Ag/AgCl (1.23 V vs. RHE) under the light intensity of 100 mW/cm<sup<2</sup< of AM 1.5G illumination. The enhanced photocurrent density may be attributed to the efficient electron–hole pair separation. The solar to hydrogen conversion efficiency was found to be 0.84% for 1:1 MoS<sub<2</sub</CoTe, signifying the efficient formation of the p-n junction. 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Efficient Photoelectrochemical Water Splitting by Tailoring MoS<sub<2</sub</CoTe Heterojunction in a Photoelectrochemical Cell

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