Enhanced photocatalytic hydrogen evolution based on efficient electron transfer in triphenylamine-based dye functionalized AuPt bimetallic core/shell nanocomposite
An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocompo...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Cheng, Manhuan [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2013transfer abstract |
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| Schlagwörter: |
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| Umfang: |
8 |
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| Übergeordnetes Werk: |
Enthalten in: External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs - Dedhia, Kavita ELSEVIER, 2018, official journal of the International Association for Hydrogen Energy, New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:38 ; year:2013 ; number:21 ; day:17 ; month:07 ; pages:8631-8638 ; extent:8 |
| Links: |
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| DOI / URN: |
10.1016/j.ijhydene.2013.05.040 |
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ELV011546808 |
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| 245 | 1 | 9 | |a Enhanced photocatalytic hydrogen evolution based on efficient electron transfer in triphenylamine-based dye functionalized AuPt bimetallic core/shell nanocomposite |
| 264 | 1 | |c 2013transfer abstract | |
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| 520 | |a An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. | ||
| 520 | |a An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. | ||
| 650 | 7 | |a Au@Pt bimetallic core/shell nanocomposite |2 Elsevier | |
| 650 | 7 | |a Hydrogen evolution |2 Elsevier | |
| 650 | 7 | |a Electron transfer |2 Elsevier | |
| 650 | 7 | |a Homogeneous photocatalysis |2 Elsevier | |
| 650 | 7 | |a Triphenylamine derivative dye |2 Elsevier | |
| 700 | 1 | |a Zhu, Mingshan |4 oth | |
| 700 | 1 | |a Du, Yukou |4 oth | |
| 700 | 1 | |a Yang, Ping |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Dedhia, Kavita ELSEVIER |t External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs |d 2018 |d official journal of the International Association for Hydrogen Energy |g New York, NY [u.a.] |w (DE-627)ELV000127019 |
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10.1016/j.ijhydene.2013.05.040 doi GBVA2013011000019.pica (DE-627)ELV011546808 (ELSEVIER)S0360-3199(13)01202-0 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Cheng, Manhuan verfasserin aut Enhanced photocatalytic hydrogen evolution based on efficient electron transfer in triphenylamine-based dye functionalized AuPt bimetallic core/shell nanocomposite 2013transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. Au@Pt bimetallic core/shell nanocomposite Elsevier Hydrogen evolution Elsevier Electron transfer Elsevier Homogeneous photocatalysis Elsevier Triphenylamine derivative dye Elsevier Zhu, Mingshan oth Du, Yukou oth Yang, Ping oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:38 year:2013 number:21 day:17 month:07 pages:8631-8638 extent:8 https://doi.org/10.1016/j.ijhydene.2013.05.040 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 38 2013 21 17 0717 8631-8638 8 045F 660 |
| spelling |
10.1016/j.ijhydene.2013.05.040 doi GBVA2013011000019.pica (DE-627)ELV011546808 (ELSEVIER)S0360-3199(13)01202-0 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Cheng, Manhuan verfasserin aut Enhanced photocatalytic hydrogen evolution based on efficient electron transfer in triphenylamine-based dye functionalized AuPt bimetallic core/shell nanocomposite 2013transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. Au@Pt bimetallic core/shell nanocomposite Elsevier Hydrogen evolution Elsevier Electron transfer Elsevier Homogeneous photocatalysis Elsevier Triphenylamine derivative dye Elsevier Zhu, Mingshan oth Du, Yukou oth Yang, Ping oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:38 year:2013 number:21 day:17 month:07 pages:8631-8638 extent:8 https://doi.org/10.1016/j.ijhydene.2013.05.040 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 38 2013 21 17 0717 8631-8638 8 045F 660 |
| allfields_unstemmed |
10.1016/j.ijhydene.2013.05.040 doi GBVA2013011000019.pica (DE-627)ELV011546808 (ELSEVIER)S0360-3199(13)01202-0 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Cheng, Manhuan verfasserin aut Enhanced photocatalytic hydrogen evolution based on efficient electron transfer in triphenylamine-based dye functionalized AuPt bimetallic core/shell nanocomposite 2013transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. Au@Pt bimetallic core/shell nanocomposite Elsevier Hydrogen evolution Elsevier Electron transfer Elsevier Homogeneous photocatalysis Elsevier Triphenylamine derivative dye Elsevier Zhu, Mingshan oth Du, Yukou oth Yang, Ping oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:38 year:2013 number:21 day:17 month:07 pages:8631-8638 extent:8 https://doi.org/10.1016/j.ijhydene.2013.05.040 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 38 2013 21 17 0717 8631-8638 8 045F 660 |
| allfieldsGer |
10.1016/j.ijhydene.2013.05.040 doi GBVA2013011000019.pica (DE-627)ELV011546808 (ELSEVIER)S0360-3199(13)01202-0 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Cheng, Manhuan verfasserin aut Enhanced photocatalytic hydrogen evolution based on efficient electron transfer in triphenylamine-based dye functionalized AuPt bimetallic core/shell nanocomposite 2013transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. Au@Pt bimetallic core/shell nanocomposite Elsevier Hydrogen evolution Elsevier Electron transfer Elsevier Homogeneous photocatalysis Elsevier Triphenylamine derivative dye Elsevier Zhu, Mingshan oth Du, Yukou oth Yang, Ping oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:38 year:2013 number:21 day:17 month:07 pages:8631-8638 extent:8 https://doi.org/10.1016/j.ijhydene.2013.05.040 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 38 2013 21 17 0717 8631-8638 8 045F 660 |
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10.1016/j.ijhydene.2013.05.040 doi GBVA2013011000019.pica (DE-627)ELV011546808 (ELSEVIER)S0360-3199(13)01202-0 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Cheng, Manhuan verfasserin aut Enhanced photocatalytic hydrogen evolution based on efficient electron transfer in triphenylamine-based dye functionalized AuPt bimetallic core/shell nanocomposite 2013transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. Au@Pt bimetallic core/shell nanocomposite Elsevier Hydrogen evolution Elsevier Electron transfer Elsevier Homogeneous photocatalysis Elsevier Triphenylamine derivative dye Elsevier Zhu, Mingshan oth Du, Yukou oth Yang, Ping oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:38 year:2013 number:21 day:17 month:07 pages:8631-8638 extent:8 https://doi.org/10.1016/j.ijhydene.2013.05.040 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 38 2013 21 17 0717 8631-8638 8 045F 660 |
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Enthalten in External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs New York, NY [u.a.] volume:38 year:2013 number:21 day:17 month:07 pages:8631-8638 extent:8 |
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photocatalytic hydrogen evolution based on efficient electron transfer in triphenylamine-based dye functionalized aupt bimetallic core/shell nanocomposite |
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Enhanced photocatalytic hydrogen evolution based on efficient electron transfer in triphenylamine-based dye functionalized AuPt bimetallic core/shell nanocomposite |
| abstract |
An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. |
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An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. |
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An efficient photocatalytic hydrogen evolution system based on triphenylamine-based dye functionalized bimetallic AuPt core/shell nanocomposite (Au@Pt-TPAD) was reported. Transmission electron microscopy (TEM), X-ray diffraction (XRD) and UV–vis absorption spectra suggested that Au@Pt-TPAD nanocomposite consisted of a bimetallic nanoparticle with Au core and Pt shell nanostructure. The photoelectrochemical result suggested that photoinduced electrons could efficiently transfer from the triphenylamine derivative molecules to the bimetallic nanoparticles. Photocatalytic results showed that the Au@Pt2-TPAD bimetallic nanocomposite could be used as a stable photoinduced H2 evolution photocatalyst. Compared with the monometallic counterpart (Au-TPAD or Pt-TPAD), the bimetallic nanocomposite showed much higher catalytic activity for the photocatalytic hydrogen evolution. The amount of hydrogen evolution on the optimal catalyst under 12 h UV–vis light irradiation was about 37.5 μmol. The enhancement of the photocatalytic activity might be attributed to the synergistic effect between the two metals in bimetallic nanoparticles with core/shell structure. This investigation might open up new opportunities for the development of dye functionalized heterometallic nanocomposite with enhanced photocatalytic performance. |
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