Selective photoreduction of CO2 to CO in CO2-dissolved expanded liquid phase with heterogeneous CO2-philic Pd complex catalysts

Liu, R.; Yoshida, H.; Fujita, S.; Lu, N.; Tu, W. H.; Arai, M.

Selective photoreduction of CO2 to CO in CO2-dissolved expanded liquid phase with heterogeneous CO2-philic Pd complex catalysts

Liu, R.; Yoshida, H.; Fujita, S. et al.

APPLIED CATALYSIS A-GENERAL, 2013, 455, 32-38

Permalink : https://hdl.handle.net/2115/52922

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アクセス権	open access
URI	https://hdl.handle.net/2115/52922
タイトル	Selective photoreduction of CO2 to CO in CO2-dissolved expanded liquid phase with heterogeneous CO2-philic Pd complex catalysts
著者	Liu, R. ; Yoshida, H. ; Fujita, S. ; Lu, N. ; Tu, W. H. ; Arai, M.
著者名 Liu, R.
著者名 Yoshida, H.
著者名 Fujita, S.
著者名 Lu, N.
著者名 Tu, W. H.
e-Rad_Researcher 60125490 著者名 Arai, M.
言語	英語
キーワード	Heterogeneous catalysis
	Palladium
	Reduction
	Catalyst design
	Photocatalysis
	Expanded liquid
発行日	2013-03-30
出版者	Elsevier
収録物名	APPLIED CATALYSIS A-GENERAL
巻(号)	455
ページ	32-38
抄録	Novel CO2-philic Pd complexes, PdCl2[4,4'-bis(RfCH2OCH2)-2,2'-bpy] (bpy: 2,2'-bipyridine) where R-f = n-C10F21, n-C11F23, were anchored onto a silica support modified with long fluorinated hydrocarbon chains (C6F13) by mixing these complex and the support in DMSO at 413 K. These immobilized Pd complex catalysts were applied for the photoreduction of CO2 in DMF or organic solvents using triethylamine as a hydrogen donor at 323 K. The rate of CO2 reduction and the selectivity to CO were observed to depend on several factors including CO2 pressure, solvent, Pd complex structure, and Pd loading. With the most active catalyst, the selective photoreduction of CO2 to CO can be achieved in DMF at a CO2 pressure of 4 MPa and the performance observed is much better compared to the literature results. The features of the supported Pd complexes and the multiphase reaction media were characterized by UV-vis absorption and others to discuss the reasons for their high performance.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
PISSN	0926-860X
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1016/j.apcata.2013.01.018