朙揷岺嬈戝妛

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僙儞僞乕偺奣梫

暯惉27擭搙帠嬈敪懌 丂丂
僙儞僞乕挿丗杮嶳丂岾峅

尋媶僾儘僕僃僋僩偺堄媊丒栚揑

 

丂丂擔杮傗悽奅傪庢傝姫偔帒尮傗娐嫬丆僄僱儖僊乕忣惃偐傜丆壔愇擱椏偵懼傢傞僄僱儖僊乕尮偺懡條壔偲帺媼棪岦忋偑丆傑偨丆暔幙傪崌惉偡傞嵺偵偼尦慺愴棯偵棫媟偟偨惢憿僾儘僙僗傊偺揮姺偑媮傔傜傟偰偄傑偡丏 丂杮尋媶僾儘僕僃僋僩偼丆悈慺傪拞怱偲偡傞扽慺,拏慺,巁慺丆働僀慺偲偺尦慺娫寢崌偺妶惈壔偲愗抐丆偝傜偵怴偨側寢崌惗惉斀墳偺崅搙惂屼傪乽僨僓僀儞偝傟偨崅婡擻嬥懏怗攠乿偵傛傝払惉偟丆偙傟偐傜偺掅扽慺幮夛傪巟偊傞嵞惗壜擻僄僱儖僊乕傪桳岠妶梡偟偨怴偨側僄僱儖僊乕偺惗惉丒挋憼丒嫙媼僔僗僥儉偺奐敪偲丆桳梡暔幙偺岠棪揑側崌惉傪栚巜偡傕偺偱偡丏 丂悈慺娭楢壔崌暔偺崌惉丆偍傛傃偙傟傜傪梡偄偨岠棪揑斀墳傪壜擻偲偡傞乽怗攠乿傪奐敪偡傞偙偲偱丆崙偑悇恑偡傞悈慺幮夛傗尦慺愴棯偵戝偒偔峷專偱偒傞偲峫偊偰偄傑偡丏

尋媶僥乕儅


悈慺惢憿
丂岝怗攠傪巊偆偲懢梲岝傪棙梡偟偰悈偐傜悈慺傪惢憿偡傞偙偲偑偱偒傑偡丅偙偺斀墳岠棪偼惗惉偟偨揹巕偲惓岴偺摦偒偱寛傑傝傑偡丅変乆偼旝棻巕偺拞偵堦弖偩偗懚嵼偡傞揹巕偲惓岴偺摦偒傗偦傟傜偺斀墳妶惈傪夝愅偡傞怴偟偄暘愅曽朄傪妋棫偟傑偟偨丅 偙偺曽朄傪梡偄偰揹巕偲惓岴偺摦偒傪暘愅偟惂屼偡傞偙偲偱丄傛傝崅偄妶惈偱悈傪暘夝偱偒傞岝怗攠傪奐敪偟傑偡丅
悈慺挋憼丒嵞曻弌
僟僀儗僋僩擱椏揹抮梡怗攠偺奐敪偲昡壙
変乆偼擱椏揹抮撪晹偺斀墳傪in-situ偱應掕壜擻側愒奜偍傛傃儔儅儞暘岝憰抲傪奐敪偟丄揹嬌怗攠忋偱偺悈慺僉儍儕傾暘巕偺斀墳嫇摦偺夝愅偲惗惉暔偺暘愅傪峴偆偙偲偱丄僟僀儗僋僩擱椏揹抮梡偺崅妶惈丒崅斀墳慖戰惈丒崅懴媣惈傪帩偮傾僲乕僪怗攠偺崌惉巜恓偺妋棫偲丄擱椏揹抮偺嶌摦忦審偺嵟揔壔傪峴偄傑偡丅


悈慺棙梡
崅婡擻怗攠偺憂惢偲幚慔揑側娨尦斀墳奐敪
嬥懏傪僫僲僒僀僘偵偡傞偲丄嬒堦宯暘巕怗攠傗僶儖僋嬥懏偲斾妑偟偰摿堎揑側斀墳妶惈傪帵偡偙偲偑抦傜傟偰偄傑偡丅丂変乆偼桳婡嬥懏嶖懱偐傜壐榓側忦審偱嬥懏僫僲棻巕傪敪惗偝偣丄扽慺嵽椏偵扴帩偟偨晄嬒堦宯偺扴帩怗攠傗僐儘僀僪宆怗攠偺崌惉朄傪妋棫偟偰偄傑偡丅偙傟傜偺怴婯側嬥懏怗攠傪梡偄偰丄幚慔揑側娨尦斀墳傪奐敪偟傑偡丅
昡壙

悈慺娭楢壔崌暔僉儍儔僋僞儕僛乕僔儑儞

悈慺娭楢壔崌暔偺悈慺尨巕埵抲傪傕娷傓寢徎峔憿丄崅師峔憿側偳偺徻嵶傪X慄夞愜丄拞惈巕夞愜丄揹巕慄夞愜丄愒奜儔儅儞怳摦暘岝丄寁嶼婡僔儈儏儗乕僔儑儞側偳嵟愭抂暘愅媄弍傪嬱巊偟偰夝柧偟偰偄傑偡丅

丂傑偨丄偙傟傜偺壔崌暔偺昞柺忬懺暘愅傪憱嵏宆僩儞僱儖尠旝嬀丄尨巕娫椡尠旝嬀丄摟夁宆揹巕尠旝嬀丄X慄岝揹巕暘岝朄側偳傪梡偄偰憤崌揑偵峴偄丄怗攠暔惈偲偺娭楢惈傪扵媶偟偰偄傑偡丅

尋媶儊儞僶乕

怗攠桳婡壔妛尋媶幒丂杮嶳丂岾峅 丂
敿摫懱尋媶幒丂戝壓丂徦梇
昞柺壢妛尋媶幒丂媑懞丂夒枮 丄尨丂惓懃
検巕奅柺暔惈尋媶幒丂嶳曽丂孾

嬌尷崅暘巕嵽椏尋媶幒丂揷戙丂岶擇

 

嬈愌

仧妛夛敪昞丂

<怗攠桳婡壔妛尋媶幒>

2016

僷儔僕僂儉怗攠偵傛傞傾儈僪壔崌暔偺僔儔儞娨尦丗斀墳婡峔偺夝愅

帥杮堦婫丄嵶愳偝偲傒丄杮嶳岾峅

戞47夞拞晹壔妛娭學妛嫤夛巟晹楢崌廐婫戝夛乮朙嫶乯2106,1P-06乮11/5乯.

僷儔僕僂儉怗攠傪梡偄偨僇儖儃僯儖壔崌暔偺娙曋側娨尦朄

嵶愳偝偲傒丆帥杮堦婫丆杮嶳岾峅

擔杮僾儘僙僗壔妛夛2016僒儅乕僔儞億僕僂儉乮柤屆壆乯2016, 2P-15 (7/29).

 

2015

Facile Silane-Reduction of Tertiary Carboxamides by Using Palladium on Carbon Catalyst

S. Hosokawa, K. Teramoto, Y. Motoyama

The 13th International Kyoto Conference on New Aspects of Organic Chemistry (IKCOC-13) (Kyoto) 2015, PB(C)-32 (11/11).

 

妶惈扽扴帩僷儔僕僂儉怗攠偵傛傞怴婯側傾儈僪壔崌暔偺僔儔儞娨尦斀墳

帥杮堦婫丆嵶愳偝偲傒丆杮嶳岾峅

戞46夞拞晹壔妛娭學妛嫤夛巟晹楢崌廐婫戝夛乮捗乯2015, 2P69 (11/7).

 

拏慺娷桳扽慺僫僲慇堐扴帩Pd僫僲棻巕偵傛傞朏崄懓働僩儞偺慖戰揑悈慺壔斀墳

怷堜峍帄丆堜杮憦丆嵶愳偝偲傒丆杮嶳岾峅

戞46夞拞晹壔妛娭學妛嫤夛巟晹楢崌廐婫戝夛乮捗乯2015, 2P70 (11/7).

 

<検巕奅柺暔惈尋媶幒>

2016

Dynamics of Photocarriers of Brookite TiO2 Studied by Spectroscopic Techniques: A Comparison with Anatase and Rutile TiO2 Photocatalysts
Junie Jhon M. Vequizo, Hironori Matsunaga, Teruhisa Ohno, Akira Yamakata
戞26夞擔杮MRS擭師戝夛乮墶昹乯2016,乮12/20乯,乮彽懸島墘乯

Behaviors of Photogenerated Electrons and Holes in SnO2/BiVO4/CoOx Heterojunctions
C. S. K. Ranasinghe, Akira Yamakata
戞16夞擔杮昞柺壢妛夛拞晹巟晹妛弍島墘夛乮柤屆壆乯2016,乮12/17乯

 

僼僃儉僩昩帪娫暘夝暘岝應掕傪梡偄偨巁壔僠僞儞昞柺寚娮偵偍偗傞僉儍儕傾僟僀僫儈僋僗
徏塱戝揟, Junie Jhon M. Vequizo, Akira Yamakata
戞16夞擔杮昞柺壢妛夛拞晹巟晹妛弍島墘夛乮柤屆壆乯2016,乮12/17乯

 

怴偟偄暘岝媄弍傪棙梡偟偨岝怗攠斀墳偺婡峔夝柧
嶳曽孾

嶳岥戝妛 岝丒僄僱儖僊乕尋媶僙儞僞乕僔儞億僕僂儉 岝壢妛偑惗傒弌偡怴偟偄悽奅  亅岝惂屼偲暘岝媄弍偺嵟慜慄亅乮塅晹乯2016,乮12/14乯,彽懸島墘乯

 

帪娫暘夝暘岝應掕傪棙梡偟偨嬥懏旝棻巕傪扴帩偟偨岝怗攠偺僉儍儕傾乕僟僀僫儈僋僗
嶳曽孾
戞36夞昞柺壢妛妛弍島墘夛乮柤屆壆乯2016,乮11/30乯,乮埶棅島墘乯

 

Transient Absorption and FT-IR Analysis of the Carrier Dynamics of TiO2 Photocatalysts
Junie Jhon M. Vequizo, Hironori Matsunaga, Shou Okamura, Teruhisa Ohno, Akira Yamakata
戞36夞昞柺壢妛妛弍島墘夛乮柤屆壆乯2016,乮11/30乯

 

僼僃儉僩昩帪娫暘夝暘岝應掕傪梡偄偨岝怗攠偺僉儍儕傾僟僀僫儈僋僗
徏塱戝揟, Junie Jhon M. Vequizo, 嶳曽孾
戞36夞昞柺壢妛妛弍島墘夛乮柤屆壆乯2016,乮11/30乯

 

僼僃儉僩昩帪娫暘夝暘岝朄偵傛傞巁壔僠僞儞岝怗攠偺僉儍儕傾僟僀僫儈僋僗
徏塱戝揟, 嶳曽孾
2016擭揹婥壔妛夛杒奀摴巟晹丒搶奀巟晹崌摨僔儞億僕僂儉乽僀儞僥儕僕僃儞僩揹婥壔妛偺怴挭棳乿乮嶥杫乯2016,乮11/23乯

 

Dynamics of Photocarriers of Metal Nitrides/Oxynitrides Studied by Transient Absorption Spectroscopy: Controlling the Effects of Defects
Junie Jhon M. Vequizo, Akira Yamakata, Mirabbos Hojamberdiev, Kenta Kawashima, Hajime Wagata, Kunio Yubuta, Shuji Oishi, Kazunari Domen, Katsuya Teshima
2016 International Conference on Materials Science and Nanotechnology (ICMSN)乮Dumaguete City, Philippines乯2016,乮10/21乯

 

敿摫懱岝怗攠偺岝椼婲僟僀僫儈僋僗
嶳曽孾
戞2夞 紦睉虃蓚鎮閼緱z岝亅悈慺僄僱儖僊乕曄姺媄弍尋媶夛i柤屆壆乯2016,乮10/13乯,乮彽懸島墘乯

 

桳婡敿摫懱偲嬥懏嶖懱偲偺暋崌懱傪岝怗攠偲偟偨壜帇岝嬱摦宆CO2 娨尦岝怗攠斀墳
孖栘椇, 徏塱戝揟, 拞搰戱嵠, 嶳曽孾, 愇扟帯, 慜揷榓旻
戞118夞怗攠摙榑夛乮惙壀乯2016,乮9/22乯

 

Transient Visible to Mid-IR Absorption Spectroscopic Analysis of the Dynamics of Photocarriers in Metal Nitride/Oxynitride Photocatalysts
Junie Jhon M. Vequizo, Akira Yamakata, Mirabbos Hojamberdiev, Kenta Kawashima, Hajime Wagata, Kunio Yubuta, Shuji Oishi, Kazunari Domen, Katsuya Teshima
戞118夞怗攠摙榑夛乮惙壀乯2016,乮9/22乯

 

Transient Absorption Study of Photogenerated Charge Carriers in Electrochemical Systems
C. S. K. Ranasinghe, Akira Yamakata
戞118夞怗攠摙榑夛乮惙壀乯2016,乮9/22乯

 

巁慺寚懝宆晄掕斾SrTiO3-δ 偺悈暘夝岝怗攠妶惈
惣壀弜懢, 暫摢弫師, 嶳曽孾, 嶳嶈恗忎, 慜揷榓旻
戞118夞怗攠摙榑夛乮惙壀乯2016,乮9/21乯

 

帪娫暘夝壜帇愒奜暘岝朄傪梡偄偨暡枛巁壔僠僞儞偺僉儍儕傾乕僟僀僫儈僋僗
嶳曽孾, Junie Jhon M. Vequizo, 徏塱戝揟
戞10夞暘巕壢妛摙榑夛2016乮恄屗乯2016,乮9/13乯

 

僼僃儉僩昩帪娫暘夝暘岝朄傪梡偄偨TiO2 暡枛偲扨寢徎偺僉儍儕傾僟僀僫儈僋僗
徏塱戝揟, Junie Jhon M. Vequizo, 嶳曽孾
2016擭岝壔妛摙榑夛乮搶嫗乯2016,乮9/7乯

 

Time-resolved IR absorption study of photogenerated charge carrier dynamics in BiVO4/SnO2 and BiVO4/CoOx heterojunctions
C. S. K. Ranasinghe, Akira Yamakata
4th Conference on Sri Lanka - Japan Collaborative Research - 2016 (SLJCR-2016)乮Kandy, Sri Lanka乯2016,乮8/20乯

 

Curious Behaviors of Photogenerated e- and h+ in Anatase and Rutile TiO2 Powders
Akira Yamakata
IKM International Symposium on Pure & Applied Chemistry (ISPAC) 2016乮Kuching, Malaysia乯2016,乮8/17乯,乮彽懸島墘乯

 

Behavior of Photogenerated Electrons and Holes on Anatase and Rutile TiO2 Powders
Akira Yamakata
Collaborative Conference on 3D and Materials Research (CC3DMR) 2016乮Incheon, South Korea乯2016,乮6/22乯,乮彽懸島墘乯

 

巁慺寚娮擹搙傪惂屼偟偨晄掕斾SrTiO3-δ 偺悈暘夝岝怗攠妶惈
惣壀弜懢, 暫摢弫師, 嶳曽孾, 嶳嶈恗忎, 慜揷榓旻
戞35夞岝偑偐偐傢傞怗攠壔妛僔儞億僕僂儉乮搶嫗乯2016,乮6/10乯

 

僽儖僢僇僀僩巁壔僠僞儞偺僉儍儕傾乕僟僀僫儈僋僗
Junie Jhon M. Vequizo, 徏塱戝揟, 嶳曽孾, 墶栰徠彯
戞35夞岝偑偐偐傢傞怗攠壔妛僔儞億僕僂儉乮搶嫗乯2016,乮6/10乯

 

2015

巁壔僠僞儞岝怗攠偺僼僃儉僩昩帪娫暘夝暘岝應掕
徏塱戝揟, Junie Jhon M. Vequizo, 嶳曽孾
戞15夞擔杮昞柺壢妛夛拞晹巟晹妛弍島墘夛乮柤屆壆乯2015,乮12/19乯

 

Dynamics of photocarriers in SrTiO3 studied by transient absorption spectroscopy: Elucidation of the effects of defects
Junie Jhon M. Vequizo, Akira Yamakata
Pacifichem 2015乮Hawaii, USA乯2015,乮12/17乯

 

Time-resolved visible to mid-IR absorption study on the behavior of photogenerated electrons and holes in LaTiO2N visible light responsive water splitting photocatalysts
Akira Yamakata, Masayuki Kawaguchi, Jun Kubota, Kazunari Domen
Pacifichem 2015乮Hawaii, USA乯2015,乮12/16乯

 

僼僃儉僩昩帪娫暘夝暘岝傪梡偄偨壜帇岝徠幩壓偺岝怗攠偺僉儍儕傾僟僀僫儈僋僗
徏塱戝揟, 嶳曽孾
戞25夞擔杮MRS擭師戝夛乮墶昹乯2015,乮12/9乯

 

Dynamics of Photogenerated Charge Carriers in Metal Nitride Photocatalysts Studied by Time-Resolved Absorption Spectroscopy
Junie Jhon M. Vequizo, Akira Yamakata, Mirabbos Hojamberdiev, Kunio Yubuta, Shuji Oishi, Kazunari Domen, Katsuya Teshima
戞25夞擔杮MRS擭師戝夛乮墶昹乯2015,乮12/9乯

 

Behaviors of Photogenerated Charge Carriers in Single-Crystalline and Polycrystalline Powder SrTiO3
Akira Yamakata
2015 EMN Meeting on Photocatalysis (Energy Materials Nanotechnology)乮Las Vegas, USA乯2015,乮11/23乯,乮彽懸島墘乯

 

Distinctive photocatalytic activities of polycrystalline anatase and rutile TiO2 studied by transient absorption spectroscopy
Junie Jhon M. Vequizo, Hironori Matsunaga, Akira Yamakata
2015 International Conference on Applied Materials and Optical Systems

(ICAMOS)乮Cavite, Philippines乯2015,乮10/22乯

 

僼僃儉僩昩帪娫暘夝暘岝朄傪梡偄偨岝怗攠偺僉儍儕傾僟僀僫儈僋僗
徏塱戝揟, 嶳曽孾
戞116夞怗攠摙榑夛乮嶰廳乯2015,乮9/17乯

 

Dynamics of photocarriers in anatase and rutile TiO2 photocatalysts studied by transient absorption spectroscopy from visible to mid-IR region
Junie Jhon M. Vequizo, Akira Yamakata
戞116夞怗攠摙榑夛乮嶰廳乯2015,乮9/16乯

 

帪娫暘夝壜帇拞愒奜暘岝應掕偱傒偨岝怗攠偺僉儍儕傾乕僟僀僫儈僋僗
嶳曽孾, Yeilin Ham, 媣晉棽巎, 媣曐揷弮, 摪柶堦惉
2015擭岝壔妛摙榑夛乮戝嶃乯2015,乮9/11乯

 

仧榑暥

<怗攠桳婡壔妛尋媶幒>

2016

Palladium on Carbon-Catalyzed Silane-Reduction of Tertiary Carboxamides: Soluble Palladium Colloids are an Active Catalyst Species

S. Hosokawa, K. Teramoto, Y. Motoyama

ChemistrySelect 2016, 1, 2594-2602.

 

<検巕奅柺暔惈尋媶幒>

2016
Cation-Dependent Restructure of the Electric Double Layer on CO-Covered Pt Electrodes: Difference between Hydrophilic and Hydrophobic Cations
Akira Yamakata*, Masatoshi Osawa
J. Electroanal. Chem. 2017, in press

 

The contrasting effect of the Ta/Nb ratio in (111)-layered B-site deficient hexagonal perovskite Ba5Nb4-xTaxO15 crystals on visible-light-induced photocatalytic water oxidation activity of their oxynitride derivatives

Mirabbos Hojamberdiev, Maged F. Bekheet, Ehsan Zahedi, Hajime Wagata, Junie Jhon M. Vequizo, Akira Yamakata, Kunio Yubuta, Aleksander Gurlo, Kazunari Domen, Katsuya Teshima*
Dalton丂Trans. 2016, 45, 12559-12568

 

Photocatalytic Property of Metal ion Added SrTiO3 to Overall H2O splitting
Yoshihisa Sakata*, Yoshiko Miyoshi, Tatsuya Maeda, Kohki Ishikiriyama, Yuki Yamazaki, Hayao Imamura, Yeilin Ham, Takashi Hisatomi, Jun Kubota, Akira Yamakata, Kazunari Domen*
Appl. Catal. A- Gen. 2016, 521, 227-232

 

Enhancement of Photoelectrochemical Activity of SnS Thin-film Photoelectrodes using TiO2, Nb2O5, and Ta2O5 Metal Oxide Layers
Junie Jhon M. Vequizo, Masanori Yokoyama, Masaya Ichimura, AkiraYamakata*
Appl. Phys. Express 2016, 9, 067101

 

巁壔僠僞儞岝怗攠偺僉儍儕傾乕僟僀僫儈僋僗亅暡枛偵偍偗傞傾僫僞乕僛偲儖僠儖偺摿堎揑側嫇摦亅
嶳曽孾
岝壔妛2016, 47, 25-32

 

Nature-Inspired, Highly Durable CO2 Reduction System Consisting of a Binuclear Ruthenium(II) Complex and an Organic Semiconductor Using Visible 丂Light
Ryo Kuriki, Hironori Matsunaga, Takuya Nakashima, Keisuke Wada, Akira Yamakata, Osamu Ishitani*, Kazuhiko Maeda*
J. Am. Chem. Soc.2016, 138, 5159-5170

 

Dynamics of Photogenerated Charge Carriers on Ni- and Ta-Doped SrTiO3 Photocatalysts Studied by Time-Resolved Absorption and Emission Spectroscopy
Akira Yamakata*, Masayuki Kawaguchi, Ryosuke Murachi, Masahiro Okawa, Itaru Kamiya
J. Phys. Chem. C 2016, 120, 7997-8004

 

2015
KCl Flux-Induced Growth of Isometric Crystals of Cadmium-Containing Early Transition-Metal (Ti4+, Nb5+, and Ta5+) Oxides and Nitridability to Form Their (Oxy)nitride Derivatives under an NH3 Atmosphere For Water Splitting Application
Mirabbos Hojamberdiev, Hajime Wagata, Kunio Yubuta, Kenta Kawashima, Junie Jhon M. Vequizo, Akira Yamakata, Shuji Oishi, Kazunari Domen, Katsuya Teshima*
Appl. Catal. B-Environ. 2016, 182, 626-635

 

Flux-mediated doping of SrTiO3 photocatalysts for efficient overall water splitting
Yeilin Ham, Takashi Hisatomi, Yosuke Goto, Yosuke Moriya, Yoshihisa Sakata, Akira Yamakata, Jun Kubota, Kazunari Domen*
J. Mater. Chem. A 2016, 4, 3027-3033

 

Distinctive Behavior of Photogenerated Electrons and Holes in Anatase and Rutile TiO2 Powders
Akira Yamakata*, Junie Jhon M. Vequizo, Hironori Matsunaga
J. Phys. Chem. C 2015, 119, 24538-24545

 

Morphology-sensitive trapping states of photogenerated charge carriers on SrTiO3 particles studied by time-resolved visible to Mid-IR absorption spectroscopy: The effects of molten salt flux treatments
Akira Yamakata*, Yeilin Ham, Masayuki Kawaguchi, Takashi Hisatomi, Jun Kubota, Yoshihisa Sakata, Kazunari Domen*
J. Photochem. Photobiol. A-Chem. 2015, 313, 168-175

 

NH3-Assisted Flux Growth of Cube-like BaTaO2N Submicron Crystals in a Completely Ionized Nonaqueous High-Temperature Solution and Their Water Splitting Activity
Mirabbos Hojamberdiev, Kunio Yubuta, Junie Jhon M. Vequizo, Akira Yamakata, Shuji Oishi, Kazunari Domen, Katsuya Teshima*
Cryst. Growth Des. 2015, 15, 4663–4671

 

NH3-Assisted Flux-Mediated Direct Growth of LaTiO2N Crystallites for Visible-Light-Induced Water Splitting
Kenta Kawashima, Mirabbos Hojamberdiev, Hajime Wagata, Kunio Yubuta, Junie Jhon M. Vequizo, Akira Yamakata, Shuji Oishi, Kazunari Domen, Katsuya Teshima*
J. Phys. Chem. C 2015, 119, 15896-15904

 

 



儁乕僕僩僢僾傊栠傞

岎捠傾僋僙僗 僒僀僩儅僢僾 TTI at Chicago 朙揷岺嬈戝妛 偙偺儁乕僕偺杮暥傊