Ta/N共ドーピングルチル型TiO2を光触媒とした太陽光水分解に関する論文がJournal of Materials Chemistry Aにオンライン掲載されました。同材料は代表的な酸窒化物光触媒であるTaONと比べて2〜3倍高活性な水の酸化光触媒として働き、その高活性を示す要因を過渡吸収分光により明らかとしました。CO2還元系と連結したZスキーム型光触媒への応用も期待されます。A03の前田、A02公募班の山方らによる共同研究の成果です。
617365
FHWD7AHC
items
1
american-chemical-society-with-titles-sentence-case-doi
0
default
asc
1
title
896
https://www.mixed-anion.jp/wp-content/plugins/zotpress/
%7B%22status%22%3A%22success%22%2C%22updateneeded%22%3Afalse%2C%22instance%22%3A%22zotpress-66925f3ad777d18df70a160f9dba3761%22%2C%22meta%22%3A%7B%22request_last%22%3A0%2C%22request_next%22%3A0%2C%22used_cache%22%3Atrue%7D%2C%22data%22%3A%5B%7B%22key%22%3A%22FHWD7AHC%22%2C%22library%22%3A%7B%22id%22%3A617365%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Nakada%20et%20al.%22%2C%22parsedDate%22%3A%222017-01-09%22%2C%22numChildren%22%3A2%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%201.35%3B%20%5C%22%3E%5Cn%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E%281%29%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ENakada%2C%20A.%3B%20Nishioka%2C%20S.%3B%20Vequizo%2C%20J.%20J.%20M.%3B%20Muraoka%2C%20K.%3B%20Kanazawa%2C%20T.%3B%20Yamakata%2C%20A.%3B%20Nozawa%2C%20S.%3B%20Kumagai%2C%20H.%3B%20Adachi%2C%20S.%3B%20Ishitani%2C%20O.%3B%20Maeda%2C%20K.%20%3Ca%20href%3D%27http%3A%5C%2F%5C%2Fpubs.rsc.org%5C%2Fen%5C%2Fcontent%5C%2Farticlelanding%5C%2F2017%5C%2Fta%5C%2Fc6ta10541f%27%3ESolar-driven%20Z-scheme%20water%20splitting%20using%20tantalum%5C%2Fnitrogen%20co-doped%20rutile%20titania%20nanorod%20as%20an%20oxygen%20evolution%20photocatalyst%3C%5C%2Fa%3E.%20%3Ci%3EJ.%20Mater.%20Chem.%20A%3C%5C%2Fi%3E%20%3Cb%3E2017%3C%5C%2Fb%3E.%20https%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1039%5C%2FC6TA10541F.%3C%5C%2Fdiv%3E%5Cn%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Solar-driven%20Z-scheme%20water%20splitting%20using%20tantalum%5C%2Fnitrogen%20co-doped%20rutile%20titania%20nanorod%20as%20an%20oxygen%20evolution%20photocatalyst%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Akinobu%22%2C%22lastName%22%3A%22Nakada%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Shunta%22%2C%22lastName%22%3A%22Nishioka%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Junie%20Jhon%20M.%22%2C%22lastName%22%3A%22Vequizo%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Kanemichi%22%2C%22lastName%22%3A%22Muraoka%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Tomoki%22%2C%22lastName%22%3A%22Kanazawa%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Akira%22%2C%22lastName%22%3A%22Yamakata%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Shunsuke%22%2C%22lastName%22%3A%22Nozawa%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Hiromu%22%2C%22lastName%22%3A%22Kumagai%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Shin-ichi%22%2C%22lastName%22%3A%22Adachi%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Osamu%22%2C%22lastName%22%3A%22Ishitani%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Kazuhiko%22%2C%22lastName%22%3A%22Maeda%22%7D%5D%2C%22abstractNote%22%3A%22A%20visible-light-driven%20water-splitting%20system%20that%20involves%20two-step%20photoexcitation%20%28Z-scheme%29%20was%20constructed%20using%20rutile%20TiO2%20nanorod%20doped%20with%20Ta%20and%20N%20%28TiO2%3ATa%5C%2FN%29%20as%20an%20O2%20evolution%20photocatalyst.%20The%20Ta-doped%20TiO2%20nanorods%2C%20prepared%20by%20a%20solvothermal%20synthesis%2C%20underwent%20nitridation%20to%20possess%20visible-light%20absorption%20under%20mild%20conditions%2C%20even%20at%20623%20K%20under%20an%20ammonia%20flow.%20The%20TiO2%3ATa%5C%2FN%20powders%20modified%20with%20a%20RuO2%20cocatalyst%20were%20active%20under%20visible%20light%20up%20to%20540%20nm%20for%20water%20oxidation%20for%20producing%20O2%20in%20the%20presence%20of%20reversible%20electron%20acceptors%20%28IO3%5Cu2212%20or%20Fe3%2B%29%2C%20while%20TiO2%3AN%20exhibited%20negligible%20activity.%20The%20results%20of%20time-resolved%20infrared%20absorption%20spectroscopy%20indicated%20that%20co-doping%20Ta%20with%20N%20into%20TiO2%20prolonged%20the%20lifetime%20of%20photogenerated%20free%20electrons%2C%20leading%20to%20high%20photocatalytic%20activity.%20Simultaneous%20H2%20and%20O2%20evolution%20via%20water%20splitting%20was%20achieved%20using%20a%20combination%20of%20RuO2-modified%20TiO2%3ATa%5C%2FN%2C%20Ru-loaded%20SrTiO3%3ARh%20and%20an%20Fe3%2B%5C%2FFe2%2B%20redox%20couple%20under%20visible-light%20irradiation%20%28%5Cu03bb%20%3E%20420%20nm%29%20and%20under%20AM%201.5G%20simulated%20sunlight.%22%2C%22date%22%3A%222017%5C%2F01%5C%2F09%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1039%5C%2FC6TA10541F%22%2C%22ISSN%22%3A%222050-7496%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Fpubs.rsc.org%5C%2Fen%5C%2Fcontent%5C%2Farticlelanding%5C%2F2017%5C%2Fta%5C%2Fc6ta10541f%22%2C%22collections%22%3A%5B%22R2P4MC94%22%5D%2C%22dateModified%22%3A%222017-10-09T04%3A30%3A35Z%22%2C%22tags%22%3A%5B%7B%22tag%22%3A%22A02%20%5Cu5c71%5Cu65b9%22%7D%2C%7B%22tag%22%3A%22A03%20%5Cu524d%5Cu7530%22%7D%5D%7D%7D%5D%7D
(1)
Nakada, A.; Nishioka, S.; Vequizo, J. J. M.; Muraoka, K.; Kanazawa, T.; Yamakata, A.; Nozawa, S.; Kumagai, H.; Adachi, S.; Ishitani, O.; Maeda, K.
Solar-driven Z-scheme water splitting using tantalum/nitrogen co-doped rutile titania nanorod as an oxygen evolution photocatalyst.
J. Mater. Chem. A 2017. https://doi.org/10.1039/C6TA10541F.