TY - JOUR
T1 - Enhanced hydrogen chemisorption and spillover on non-metallic nickel subnanoclusters
AU - Nishihara, Hirotomo
AU - Ohtake, Fumihide
AU - Castro, Muniz Alberto
AU - Itoi, Hiroyuki
AU - Ito, Masashi
AU - Hayasaka, Yuuichiroh
AU - Maruyama, Jun
AU - Kondo, Junko N.
AU - Osuga, Ryota
AU - Kyotani, Takashi
N1 - Funding Information:
This work was supported by the NEDO project (T. K.). J. N. K. is grateful for financial support by a Grant-in-Aid for Scientific Research (B) (No. 16H04564) from the Ministry of Education, Science and Culture. XAFS measurements were performed at the SAGA Light Source (Proposals no. 1508068S) and SPring-8 (Proposal no. 2015A1666).
Funding Information:
This work was supported by the NEDO project (T. K.). J. N. K. is grateful for nancial support by a Grant-in-Aid for Scientic Research (B) (No. 16H04564) from the Ministry of Education, Science and Culture. XAFS measurements were performed at the SAGA Light Source (Proposals no. 1508068S) and SPring-8 (Proposal no. 2015A1666).
Publisher Copyright:
© 2018 The Royal Society of Chemistry.
PY - 2018
Y1 - 2018
N2 - Very fine Ni nanoparticles including subnanoclusters are dispersed in zeolite-templated carbon (ZTC), by thermal decomposition (573 K) of nickelocene pre-loaded on ZTC which functions as a high-surface area support. X-ray absorption fine structure reveals that the Ni species formed by the thermal decomposition is in a unique oxidized state. It is different from nickelocene, Ni metal, or any other inorganic Ni species. The unique Ni species can dissociatively adsorb H2, and enhance the following spillover even under ambient conditions. The spillover activity of the non-metallic Ni subnanoclusters is superior to that of Ni-metal nanoparticles and even comparable to that of Pt nanoparticles.
AB - Very fine Ni nanoparticles including subnanoclusters are dispersed in zeolite-templated carbon (ZTC), by thermal decomposition (573 K) of nickelocene pre-loaded on ZTC which functions as a high-surface area support. X-ray absorption fine structure reveals that the Ni species formed by the thermal decomposition is in a unique oxidized state. It is different from nickelocene, Ni metal, or any other inorganic Ni species. The unique Ni species can dissociatively adsorb H2, and enhance the following spillover even under ambient conditions. The spillover activity of the non-metallic Ni subnanoclusters is superior to that of Ni-metal nanoparticles and even comparable to that of Pt nanoparticles.
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U2 - 10.1039/c8ta02561d
DO - 10.1039/c8ta02561d
M3 - Article
AN - SCOPUS:85049516426
SN - 2050-7488
VL - 6
SP - 12523
EP - 12531
JO - Journal of Materials Chemistry A
JF - Journal of Materials Chemistry A
IS - 26
ER -
