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Nanofabrication of a Solid-State, Mesoporous Nanoparticle Composite for Efficient Photocatalytic Hydrogen Generation

Title
Nanofabrication of a Solid-State, Mesoporous Nanoparticle Composite for Efficient Photocatalytic Hydrogen Generation
Authors
Yamada, YusukeTadokoro, HideyukiNaqshbandi, MasoodCanning, JohnCrossley, Maxwell J.Suenobu, TomoyoshiFukuzumi, Shunichi
Ewha Authors
Shunichi Fukuzumi
SCOPUS Author ID
Shunichi Fukuzumiscopus
Issue Date
2016
Journal Title
CHEMPLUSCHEM
ISSN
2192-6506JCR Link
Citation
CHEMPLUSCHEM vol. 81, no. 6, pp. 521 - 525
Keywords
mesocrystalsmesoporous materialsnanoparticlesphotocatalystsself-assembly
Publisher
WILEY-V C H VERLAG GMBH
Indexed
SCI; SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
Room-temperature self-assembly was used to fabricate a periodic array of uniformly sized Al3+-doped SiO2 nanoparticles (Al-SiO(2)NPs, 20-30 nm). The uniform mesoporous structure was suitable for uniformly incorporating and distributing Pt nanoparticles (PtNPs), which were used as hydrogen-evolution catalysts in artificial photosynthetic systems, without agglomeration during the catalytic reaction. When the surfaces of the Al-SiO(2)NPs were covered with an organic photocatalyst (2-phenyl-4-(1-naphthyl)quinolinium ion, QuPh(+)-NA), each PtNP was surrounded by multiple QuPh(+)-NA ions. The structure allowed the PtNP to receive multiple electrons from QuPhC-NA molecules, which were generated by reduction of the photoexcited state of QuPh(+)-NA ions (QuPhC-NAC+) with beta-dihydronicotinamide adenine dinucleotide (NADH), thereby resulting in efficient photocatalytic H-2 evolution.
DOI
10.1002/cplu.201600148
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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