Papers

“Influences of pulverization and annealing treatment on photocatalytic activity of BiVO₄ for oxygen evolution”
Kazuya Okuno, Hiromu Kumagai, Junie Jhon M. Vequizo, Kosaku Kato, Makoto Kobayashi, Akira Yamakata, Masato Kakihana, Hideki Kato,* Sustainable Energy Fules, Accepted.
DOI:10.1039/D2SE00065B

“Effects of particle size of raw materials on phase formation and optical properties of Ce³⁺-doped Y₃Al₅O₁₂ phosphors”
Shinnosuke Akiyama,* Riho Moriyama, Junya Tanaka, Yasushi Sato, Masato Kakihana, Hideki Kato, Opt. Mater., 121 ,111549-111549 (2021).
DOI:10.1016/j.optmat.2021.111549

“SnO-SnO2 modified two-dimensional MXene Ti3C2T for acetone gas sensor working at room temperature”
Zijing Wang, Fen Wang, Angga Hermawan, Yusuke Asakura, Takuya Hasegawa, Hiromu Kumagai, Hideki Kato, Masato Kakihana, Jianfeng Zhu, Shu Yin,* J. Mater. Sci. Technol., 73 ,128-138 (2021).
DOI:10.1016/j.jmst.2020.07.040

“Utilization of Perovskite-Type Oxynitride La_0.5Sr_0.5Ta_0.5Ti_0.5O₂N as an O₂-Evolving Photocatalyst in Z-Scheme Water Splitting”
Hiromu Kumagai, Ryosuke Aoyagi, Kosaku Kato, Akira Yamakata, Masato Kakihana, Hideki Kato*
ACS Appl. Energy Mater., 4, 2056-2060 (2021).
DOI:10.1021/acsaem.0c03055

“A Water‐Splitting System with a Cobalt (II,III) Oxide Co‐Catalyst‐Loaded Bismuth Vanadate Photoanode Along with an Organo‐Photocathode”
Takahiro Murakami, Kosuke Ikezoi, Keiji Nagai, Hideki Kato, Toshiyuki Abe*
ChemElectroChem, 7 (24), 5029-5035 (2020).
DOI:10.1002/celc.202001271

“Surface Engineering of 1T/2H-MoS₂ Nanoparticles by O₂ Plasma Irradiation as a Potential Humidity Sensor for Breathing and Skin Monitoring Applications”
Ardiansyah Taufik, Yusuke Asakura, Takuya Hasegawa, Hideki Kato, Masato Kakihana, Shingo Hirata, Miki Inada, Shu Yin,* ACS Appl. Nano Mater., 3 (8), 7835-7846 (2020).
DOI:10.1021/acsanm.0c01352

“Highly Robust Oxynitride Phosphor against Thermal Oxidization and Hydrolysis”
Dawei Wen, Hideki Kato, Masato Kakihana, ACS Sustainable Chem. Eng., 8 (32), 12286-12294 (2020).
DOI:10.1021/acssuschemeng.0c04389

“Alkali-assisted hydrothermal preparation of g-C₃N₄/rGO nanocomposites with highly enhanced photocatalytic NO_x removal activity”
Zhanyong Gu, Biao Zhang, Yusuke Asakura, Satoshi Tsukuda, Hideki Kato, Masato Kakihana, Shu Yin*, Appl. Surf. Sci., 521, 146213 (9pages) (2020).
DOI:10.1016/j.apsusc.2020.146213

“1T/2H-MoS₂ engineered by in-situ ethylene glycol intercalation for improved toluene sensing response at room temperature”
Ardiansyah Taufik, Yusuke Asakura, Hideki Kato, Masato Kakihana, Rosari Saleh, Tohru Sekino, Shu Yin, Adv. Powder Technol., 31 (5), 1868-1878 (2020).
DOI:10.1016/j.apt.2020.02.022

“Super stable (Ba,Sr)LuAl₂Si₂O₂N₅:Ce³⁺,Eu²⁺ phosphors”
Dawei Wen, Hideki Kato, Masato Kakihana, J. Mater. Chem. C, 8 (13), 4510-4517 (2020).
DOI:10.1039/c9tc06932a

“Lewis Acid and Base Catalysis of YNbO₄ Toward Aqueous‐Phase Conversion of Hexose and Triose Sugars to Lactic Acid in Water”
Minjune Kim, Silvia Ronchetti, Barbara Onida, Nobuyuki Ichikuni, Atsushi Fukuoka, Hideki Kato,* Kiyotaka Nakajima,* ChemCatChem, 12 (1), 350-359 (2020).
DOI:10.1002/cctc.201901435

“Two-Dimensional Perovskite Oxynitride K₂LaTa₂O₆N with an H⁺/K⁺ Exchangeability in Aqueous Solution to Form Stable Photocatalyst for Visible-Light H₂ Evolution”
Takayoshi Oshima, Tom Ichibha, Kenji Oqmhula, Keisuke Hibino, Hiroto Mogi, Shunsuke Yamashita, Kotaro Fujii, Yugo Miseki, Kenta Hongo, Daling Lu, Ryo Maezono, Kazuhiro Sayama, Masatomo Yashima, Koji Kimoto, Hideki Kato, Masato Kakihana, Hiroshi Kageyama, Kazuhiko Maeda,* Angew. Chem. Int. Ed., 59 (24), 9736-9743 (2020).
DOI:10.1002/ange.202002534

“Synthesis of Ba_1-xSr_xYSi₂O₅N and discussion based on structure analysis and DFT calculation”
Takuya Yasunaga, Makoto Kobayashi,* Kenta Hongo, Kotaro Fujii, Shunsuke Yamamoto, Ryo Maezono, Masatomo Yashima, Masaya Mitsuishi, Hideki Kato,* Masato Kakihana, J. Solid State Chem., 276, 266-271 (2019).
DOI:10.1016/j.jssc.2019.05.012 Available online on May 11, 2019.

“Z-scheme water splitting by microspherical Rh-doped SrTiO₃ photocatalysts prepared by a spray drying method”
Hong Phong Duong, Takahiro Mashiyama, Makoto Kobayashi, Akihide Iwase, Akihiko Kudo, Yusuke Asakura, Shu Yin, Masato Kakihana, Hideki Kato,*  App. Catal. B: Environ., 252, 222-229 (2019).
DOI:10.1016/j.apcatb.2019.04.009 Available online on April 19, 2019.

“Crystal structures of Ca_4+xY_3-xSi₇O_15+xN_5-x (0 ≦ x ≦ 1) comprising of an isolated [Si₇(O,N)₁₉] unit”
Makoto Kobayashi,* Takuya Yasunaga, Hideki Kato,* Kotaro Fujii, Masatomo Yashima, Masato Kakihana, Acta Crystallogr. E, E75, 260-263 (2019).
DOI: 10.1107/S2056989019001257 Available online on January 25, 2019.

“Hydrothermal Synthesis of Pseudocubic Rutile-Type Titania Particles”
Makoto Kobayashi,* Hideki Kato, Takamichi Miyazaki, Masato Kakihana, Ceramics, 2(1), 56-63 (2019).
DOI: 10.3390/ceramics2010005 Available online on January 18, 2019.

“Ce⁴⁺-based Compounds Capable of Photoluminescence by Charge Transfer Excitation under Near Ultraviolet-Visible Light”
Dawei Wen, Hideki Kato,* Makoto Kobayashi, Shunsuke Yamamoto, Masaya Mitsuishi, Kotaro Fujii, Masatomo Yashima, Masato Kakihana, Inorg. Chem.,57(23), 14524-14531 (2018).
DOI: 10.1021/acs.inorgchem.8b01900
Available online on November 12, 2018.

“Expansion of photoresponse window of BiVO₄ photocatalyst by doping of chromium(VI)”
Kazuya Okuno, Hideki Kato,* Junie Jhon M. Vequizo, Akira Yamakata,* Hisayoshi Kobayashi, Makoto Kobayashi, Masato Kakihana, RSC Advances, 8 (67), 38140-38145 (2018).
DOI: 10.1039/C8RA07830K Available online on November 14, 2018.

“Photoluminescence Properties of Layered Perovskite-Type Strontium Scandium Oxyfluoride Activated With Mn⁴⁺“
Hideki Kato,* Yohei Takeda, Makoto Kobayashi, Hisayoshi Kobayashi and Masato Kakihana, Front. Chem., 6, 467 (2018).
DOI: 10.13389/fchem.2018.00467
Available online on October 04, 2018.

“Structural Change in SrSiO₃ Induced by Introduction of Nitrogen”
Makoto Kobayashi, Jihae Kim, Hironori Sato, Takuya Yasunaga, Hideki Kato,* Kotaro Fujii, Masahiro Shiraiwa, Masatomo Yashima, and Masato Kakihana, Chem. Lett., 47 (10), 1327-1329 (2018).
DOI: 10.1246/cl.180620 Available online on August 22, 2018.

“Undoped Layered Perovskite Oxynitride Li₂LaTa₂O₆N for Photocatalytic CO₂ Reduction with Visible Light”
Takayoshi Oshima, Tom Ichibha, Ken Sinkou Qin, Kanemichi Muraoka, Junie Jhon M. Vequizo, Keisuke Hibino, Ryo Kuriki, Shunsuke Yamashita, Kenta Hongo, Tomoki Uchiyama, Kotaro Fujii, Daling Lu, Ryo Maezono, Akira Yamakata, Hideki Kato, Koji Kimoto, Masatomo Yashima, Yoshiharu Uchimoto, Masato Kakihana, Osamu Ishitani, Hiroshi Kageyama, and Kazuhiko Maeda,* Angew. Chem. Int. Ed., 57 (27), 8154-8158 (2018).
DOI: 10.1002/anie.201803931 Published on May 8, 2018.

“Synthesis of Rare Earth Niobates and Tantalates Powders via a Peroxo Complex Route”
Hideki Kato,* Katsuya Shimizu, Kiyotaka Nakajima, Makoto Kobayashi, and Masato Kakihana, Chem. Lett., 46 (10), 1515-1517 (2017).
DOI: 10.1246/cl.170652 Published on August 8, 2017.

“Analysis of growth kinetics and impact of NH₃ on the morphology evolution of hexagonal-prism shaped Y₄O(OH)₉NO₃/Y₂O₃ single crystals”
Sudeshna Ray, Govind B. Nair,* Sanjay J. Dhoble, Hideki Kato, Masato Kakihana, Teng Ming Chen, Mate. Res. Bull., 95, 597-606 (2017).
DOI: 10.1016/j.materresbull.2017.07.033 Published on August 8, 2017.

“Growth of TiO₂ Microspheres with Radially Oriented Configuration”
Quang Duc Truong, Hideki Kato, Makoto Kobayashi, and Masato Kakihana,* CrystEngComm, 19 (32), 4832-4837 (2017).
DOI: 10.1039/C7CE01158J Published on July 14, 2017.

“Effect of Hydroxy and Carboxy Groups on Anisotropic Growth of Rutile-type Titania Under Hydrothermal Conditions”
Makoto Kobayashi,* Sungho Lee, Hideki Kato, and Masato Kakihana, J. Asian Ceram. Soc., 5 (3), 320-325 (2017).
DOI: 10.1016/j.jascer.2017.06.006 Published on July 8, 2017.

“Site occupancy and luminescence properties of Ca₃Ln(AlO)₃(BO₃)₄:Ce³⁺,Tb³⁺,Mn²⁺ (Ln = Y, Gd)”
Dawei Wen, Hideki Kato,* Makoto Kobayashi, Shunsuke Yamamoto, Masaya Mitsuishi, and Masato Kakihana, J. Mater. Chem. C, 5 (18), 4578-4583 (2017).
DOI: 10.1039/C7TC00941K Published on April 4, 2017.

“Synthesis, Structure and Photoluminescence of a Novel Oxynitride BaYSi₂O₅N Activated by Eu²⁺ and Ce³⁺“
Makoto Kobayashi, Takuya Yasunaga, Hironori Sato, Hideki Kato,* Kotaro Fujii, Masatomo Yashima, and Masato Kakihana, Chem. Lett., 46 (6), 795-797 (2017).
DOI: 10.1246/cl.170144 Published on March 10, 2017.

“Development of Various Metal Sulfide Photocatalysts Consisting of d⁰, d⁵, and d¹⁰ Metal Ions for Sacrificial H₂ Evolution under Visible Light Irradiation”
Tomoaki Takayama, Issei Tsuji, Naruhiko Aono, Masamitsu Harada, Tsutomu Okuda, Akihide Iwase, Hideki Kato, and Akihiko Kudo,* Chem. Lett., 46 (4), 616-619 (2017).
DOI: 10.1246/cl.161192
Published on March 27, 2017.

“Synthesis and Photocatalytic Properties of Tetragonal Tungsten Bronze Type Oxynitrides”
Katsuya Shimizu, Hideki Kato,* Makoto Kobayashi, and Masato Kakihana, Appl. Catal. B: Environ., 206, 444-448 (2017).
DOI: 10.1016/j.apcatb.2017.01.057 Published on January 26, 2017.

“A High-luminescence BaZrSi₃O₉:Eu²⁺ Blue-green-emitting Phosphor: Synthesis and Mechanism”
Tetsufumi Komukai^*, Yasushi Sato, Hideki Kato, and Masato Kakihana, J. Lumin., 181, 211-216 (2017).
DOI: 10.1016/j.jlumin.2016.08.056 Published on January 1, 2017.

“緑色蛍光体(Ba, Sr)₂SiO₄:Eu²⁺のフラックス還元焼成条件と発光特性の関係 (Effects of Heat-treatment with a Flux under Reduced Atmosphere on Photoluminescence of Green Emitting (Ba, Sr)₂SiO₄:Eu²⁺ Phosphors)” (in Japanese)
小向哲史, 横山潤, 佐藤泰史, 加藤英樹, 垣花眞人, 粉体および粉末冶金 (Journal of the Japan Society of Powder and Powder Metallurgy), 63(10), 855-860 (2016).
DOI: 10.2497/jjspm.63.855 Published on September 15, 2016

“CaSrSiO₄:Eu²⁺橙赤色蛍光体の発光特性におけるフラックス剤を用いた還元焼成の効果 (Effects of Heat-treatment with a Flux under Reduced Atmosphere on Photoluminescence of Orange-red Emitting CaSrSiO₄:Eu²⁺ Phosphors)” (in Japanese)
小向哲史, 横山潤, 佐藤泰史, 加藤英樹, 垣花眞人, 粉体および粉末冶金 (Journal of the Japan Society of Powder and Powder Metallurgy), 63(9), 835-839 (2016).
DOI: 10.2497/jjspm.63.855 Published on August 15, 2016

“Effect of Eu²⁺ concentration on the photoluminescence properties of red-emitting CaSrSiO₄:Eu²⁺ phosphors”
Tetsufumi Komukai, Jun Yokoyama, Yuji Takatsuka, Yasushi Sato, Hideki Kato, and Masato Kakihana, J. Ceram. Soc. Jpn, 124(8), 823-826 (2016).
DOI: 10.2109/jcersj2.16066 Published on August 1, 2016.

“A water splitting system using an organo-photocathode and titanium dioxide photoanode capable of bias-free H₂ and O₂ evolution”
Toshiyuki Abe, Katsuma Fukui, Yuto Kawai, Keiji Nagai, and Hideki Kato, Chem. Commun., 52(49), 7735-7737 (2016).

DOI: 10.1039/C6CC01225F Published on May 23, 2016.

“Anomalous Orange Light Emitting (Sr,Ba)₂SiO₄:Eu²⁺ Phosphors for Warm White LEDs”
Dawei Wen, Hiroki Kuwahara, Hideki Kato, Makoto Kobayashi, Yasushi Sato, Takaki Masaki, and Masato Kakihana, ACS Appl. Mater. Interfaces, 8(18), 11615-11620 (2016).
DOI: 10.1021/acsami.6b02237 Published on April 19, 2016.

“Self-assembly of Polyethyleneamine-intercalated H₂Ti₂O₅ Nanoparticles into Spherical Agglomerates”
Makoto Kobayashi, Hideki Kato, and Masato Kakihana, J. Mater. Res., 31(5), 564-572 (2016).
DOI: 10.1557/jmr.2016.67 Published on March 14, 2016.

“Effect of Site Occupancies on Deep-red Emission from Eu²⁺-activated Ca₂SiO₄ Phosphor”
Hiroki Kuwahara, Yasushi Sato, Hideki Kato, Makoto Kobayashi, Takaki Masaki, and Masato Kakihana, Chem. Lett., 45(3), 321-323 (2016).
DOI: 10.1246/cl.151145 Published on March 5, 2016.

“水熱法によるバリウムタンタレートナノシート光触媒の合成とその水分解活性 (Hydrothermal Synthesis of Barium Tantalate Nanosheet Photocatalyst and Its Water Splitting Activity)” (in Japanese)
高杉壮一, 冨田恒之, 岩岡道夫, 小林亮, 加藤英樹, 垣花眞人, Journal of the Society of Inorganic Materials, Japan, 23(380), 25-29 (2016).Published on January 1, 2016.

“Large redshifts in emission and excitation from Eu²⁺-activated Sr₂SiO₄ and Ba₂SiO₄ phosphors induced by controlling Eu²⁺ occupancy on the basis on crystal-site engineering”
Yasushi Sato, Hiroki Kuwahara, Hideki Kato, Makoto Kobayashi, Takaki Masaki, and Masato Kakihana, Optics and Photonics Journal, 5, 326-333 (2015).
DOI: 10.4236/opj.2015.511031 Published on November 25, 2015.

“Photoluminescence Properties of Mn⁴⁺-activated Perovskite-type Titanates, La₂MTiO₆:Mn⁴⁺ (M = Mg and Zn)”
Yohei Takeda, Hideki Kato, Makoto Kobayashi, Hisayoshi Kobayashi, and Masato Kakihana, Chem. Lett., 44, 1541-1543 (2015).
DOI: 10.1246/cl.150748 Published on September 3, 2015. Editor’s Choice

“Synthesis of Picolinate-iron(III) Compounds Through an Aqueous Solution Process”
Junki Sato, Makoto Kobayashi, Hideki Kato, Eunsang Kwon, and Masato Kakihana, J. Ceram. Soc. Jpn, 123, 751-755 (2015).
DOI: 10.2109/jcersj2.123.751 Published on September 1, 2015.

“Improvement of hydrogen evolution under visible light over Zn_1-2x(CuGa)_xGa₂S₄ photocatalysts by synthesis utilizing a polymerizable complex method”
Ciro Scheremeta Quintans, Hideki Kato, Makoto Kobayashi, Hiroshi Kaga, Akihide Iwase, Akihiko Kudo, and Masato Kakihana, J. Mater. Chem. A, 3, 14239-14244 (2015).
DOI: 10.1039/C5TA02114F Published on June 1, 2015.

“Novel Titanium Complexes with a Reversible Structure Change on Solvent Adsorption and Desorption”
Makoto Kobayashi, Tatsuya Okuhara, Hideki Kato, Sota Sato, and Masato Kakihana, Chem. Lett., 44, 1050-1052 (2015).
DOI: 10.1246/cl.150393 Published on May 13, 2015.

“Photocatalytic Water Oxidation Under Visible Light by Valence Band Controlled Oxynitride Solid Solutions LaTaON₂-SrTiO₃“
Hideki Kato, Koichiro Ueda, Makoto Kobayashi, and Masato Kakihana, J. Mater. Chem. A, 3, 11824-11829 (2015).
DOI: 10.1039/C5TA02482J Published on April 30, 2015. 2015 Journal of Materials Chemistry A Hot Papers

“Discovery of Novel Delafossite-Type Compounds Composed of Copper(I) Lithium Titanium with Photocatalytic Activity for H₂ Evolution under Visible Light”
Hideki Kato, Tsuyoshi Fujisawa, Makoto Kobayashi, and Masato Kakihana, Chem. Lett., 44, 973-975 (2015).
DOI: 10.1246/cl.150341 Published on May 1, 2015.

“Hierarchical Structures of Rutile Exposing High-index Facets”
Quang Duc Truong, Hideki Kato, Makoto Kobayashi, and Masato Kakihana, J. Cryst. Growth, 418, 86-91 (2015).
DOI: 10.1016/j.jcrysgro.2015.02.056 Published on May 15, 2015.

“水に分散可能な無機Siクラスターを活用した水溶液プロセスによるケイ酸塩蛍光体の合成 (Syntheses of Silicate Phosphors by Aqueous Solution Techniques using Water-Dispersible Inorganic Si Cluster)” (in Japanese)
佐藤泰史, 加藤英樹, 小林亮, 金知慧, 垣花眞人, 粉体および粉末冶金 (Journal of the Japan Society of Powder and Powder Metallurgy), 62(4), 127-133 (2015). Review
DOI: 10.2497/jjspm.62.127 Published on May 15, 2015

“Crystal Structures and Luminescence Properties of Eu²⁺-activated New NaBa_0.5Ca_0.5PO₄ and Na₃Ba₂Ca(PO₄)₃“
Minsung Kim, Makoto Kobayashi, Hideki Kato, Hisanori Yamane, Yasushi Sato, and Masato Kakihana, Dalton Trans., 44, 1900-1904 (2015).
DOI: 10.1039/C4DT03024A Published on November 19, 2014.

“Luminescence Properties of BaZrSi₃O₉:Eu Synthesized by an Aqueous Solution Method”
Tetsufumi Komukai, Yuji Takatsuka, Satoko Tezuka, Hideki Kato, and Masato Kakihana, J. Lumin., 158, 328-332 (2015).
DOI: 10.1016/j.jcrysgro.2014.10.021 Published on Feburary 1, 2015.

“Design of Crystal Structures, Morphologies, and Functionalities of Titanium Oxide Using Water-soluble Complexes and Molecular Control Agents”
Makoto Kobayashi, Minoru Osada, Hideki Kato, and Masato Kakihana, Polymer J., 47, 78-83 (2015).
DOI: 10.1038/pj.2014.89 Published on Feburary 2, 2015. Invited Focus Review Article

“Large enhancement of photocatalytic activity by chemical etching of TiO₂ crystallized glass”
Kazuki Yoshida, Yoshihiro Takahashi, Rie Ihara, Nobuaki Terakado, Takumi Fujiwara, Hideki Kato, and Masato Kakihana, APL Mate., 2, 106103 (6 pages) (2014).
DOI: 10.1063/1.4897961 Published on October 15, 2014. APL Materials Editor’s Picks 2014

“Synthesis of (Ca_1-XSr_X)₄Si₂O₇F₂ oxyfluoride solid solutions and their photoluminescence properties activated by Eu²⁺“
Jihong Min, Hideki Kato, Makoto Kobayashi, Yasushi Sato, and Masato Kakihana, J. Ceram. Soc. Jpn, 122(8), 630-633 (2014).
DOI: 10.2109/jcersj2.122.630 Published on August 1, 2014.

“The Significance of Phosphate Source in the Preparation of Functional Luminescent Phosphate Materials”
Minsung Kim, Makoto Kobayashi, Hideki Kato, and Masato Kakihana, J.Ceram. So. Jpn, 122(8), 626-629 (2014).
DOI: 10.2109/jcersj2.122.626 Published on August 1, 2014.

“Hydrothermal synthesis of magnetite particles with uncommon crystal facets”
Junki Sato, Makoto Kobayashi, Hideki Kato, Takamichi Miyazaki, and Masato Kakihana, J. Asian Ceram. Soc., 2(3), 258-262 (2014).
DOI: 10.1016/j.jascer.2014.05.008 Published on September 1, 2014.

“Tailoring of Deep-Red Luminescence in Ca₂SiO₄:Eu²⁺“
Yasushi Sato, Hideki Kato, Makoto Kobayashi, Takaki Masaki, Dae-Ho Yoon, and Masato Kakihana, Angew. Chem. Int. Ed., 53(30), 7756-7759 (2014).
DOI: 10.1002/anie.201402520 Published on July 21, 2014.

“Development of two novel Eu²⁺-activated phosphors in the Na-Sc-Si-O system and their photoluminescence properties”
Jihong Min, Taichi Yamaguchi, Hideki Kato, Makoto Kobayashi, Hisanori Yamane, and Masato Kakihana, J. Lumin., 154, 285-289 (2014).
DOI: 10.1016/j.jlumin.2014.05.006 Published on May 13, 2014.

“Insights into a selective synthesis of anatase, rutile and brookite-type titanium dioxides by a hydrothermal treatment of titanium complexes”
Mitsuru Yoshizawa, Makoto Kobayashi, Valery Petrykin, Hideki Kato, and Masato Kakihana, J. Mater. Res., 29(1), 90-97 (2014).
DOI: 10.1557/jmr.2013.229 Published on January 14, 2014.

“Synthesis of Titanium Dioxide Nanocrystals with Controlled Crystal- and Micro-structures from Titanium Complexes”
Makoto Kobayashi, Hideki Kato, and Masato Kakihana, Nanomaterials and Nanotechnology, 3(23), 1-10 (2013).
DOI: 10.5772/57533 Published on web, December 16, 2013. Invited Review Article

“Photocatalytic activities of Cu_3xLa_1-xTa₇O₁₉ solid solutions for H₂ evolution under visible light irradiation”
Hideki Kato, Arisa Takeda, Makoto Kobayashi, Michikazu Hara, and Masato Kakihana, Catal. Sci. & Technol., 3, 3147-3254 (2013).
DOI: 10.1039/C3CY00557G Published on web, August 28, 2013.

“Synthesis of highly active rhodium-doped SrTiO₃ powders in Z-scheme systems for visible-light-driven photocatalytic overall water splitting”
Hideki Kato, Yasuyoshi Sasaki, Nana Shirakura, and Akihiko Kudo, J.Mater. Chem. A, 1(39), 12327-12333 (2013).
DOI: 10.1039/C3TA12803B Published on web, August 9, 2013.

“Enhancement of Luminescence Properties of a KSrPO₄:Eu²⁺ Phosphor Prepared Using a Solution Method with a Water-Soluble Phosphate Oligomer”
Minsung Kim, Makoto Kobayashi, Hideki Kato, and Masato Kakihana, J.Mater.Chem. C, 1(36), 5741-5746 (2013).
DOI: 10.1039/C3TC31121J First published online on July 22, 2013.

“Synthesis of a novel bluish-green emitting oxynitride Ca₃Al₈Si₄O₁₇N₄:Eu²⁺ phosphor in a CaAl_4-xSi_xO_7-xN_x solid solution system”
Jihae Kim, Hideki Kato, Makoto Kobayashi, Yasushi Sato, and Masato Kakihana, Optics and Photonics Journal, 3(6A), 29-33 (2013).
DOI: 10.4236/opj.2013.36A006 Published online on October 24, 2013.

“Development of a Novel Green-Emitting Phosphate Phosphor KSrY(PO₄)₂:Eu²⁺“
Akiko Saito, Hideki Kato, Makoto Kobayashi, Yasushi Sato, and Masato Kakihana, Optics and Photonics Journal, 3(6A), 19-24 (2013).
DOI: 10.4236/opj.2013.36A004 Published online on October 24, 2013.

“A Highly Luminous LiCaPO₄:Eu²⁺ Phosphor Synthesized by a Solution Method Employing a Water-Soluble Phosphate Ester”
Minsung Kim, Makoto Kobayashi, Hideki Kato, and Masato Kakihana, Optics and Photonics Journal, 3(6A), 13-18 (2013).
DOI: 10.4236/opj.2013.36A003 Published online on October 24, 2013.

“Exploration of New Phosphors Using a Mineral-Inspired Approach in Combination with Solution Parallel Synthesis”
Masato Kakihana, Jihae Kim, Tetsufumi Komukai, Hideki Kato, Yasushi Sato, Makoto Kobayashi, and Yuji Takatsuka, Optics and Photonics Journal, 3(6A), 5-12 (2013).
DOI: 10.4236/opj.2013.36A002 Published online on October 24, 2013.

“Eu²⁺-activated CaSrSiO₄: a new red-emitting oxide phosphor for white-light-emitting diodes”
Satoko Tezuka, Yasushi Sato, Tetsufumi Komukai, Yuji Takatsuka, Hideki Kato, and Masato Kakihana, Applied Physics Express, 6, 072101 (4 pages) (2013).
DOI: 10.7567/APEX.6.072101 Published online on June 21, 2013.

“Photocatalytic Water Splitting over LaTa₇O₁₉ Composed of TaO₇ Pentagonal Bipyramids and TaO₆ Octahedra”
Hideki Kato, Arisa Takeda, Makoto Kobayashi, and Masato Kakihana, Chem. Lett., 42(7), 744-746 (2013).
DOI: 10.1246/cl.130216 Published on the web May 29, 2013.

“Fabrication of SrTiO₃ Exposing Characteristic Facets using Molten Salt Flux and Improvement of Photocatalytic Activity for Water Splitting”
Hideki Kato, Makoto Kobayashi, Michikazu Hara, and Masato Kakihana, Catal. Sci. Technol., 3, 1733-1738 (2013).
DOI: 10.1039/C3CY00014A First published online on Feb 13, 2013.

“[Co(bpy)₃]^3+/2+ and [Co(phen)₃]^3+/2+ Electron Mediators for Overall Water Splitting under Sunlight Irradiation Using Z-Scheme Photocatalyst System”
Yasuyoshi Sasaki, Hideki Kato, and Akihiko Kudo, J. Am. Chem. Soc., 135(14), 5541-5449 (2013).
DOI: 10.1021/ja400238r Published on March 4, 2013.

“The effect of Au cocatalystloaded on La-doped NaTaO₃ on photocatalytic water splitting and O₂ photoreduction”
Akihide Iwase, Hideki Kato, and Akihiko Kudo, Appl. Catal. B: Environ., 136-137(5), 89-93 (2013).
DOI: 10.1016/j.apcatb.2013.02.006 Available online from February 13, 2013.

“Control of valence band potential and photocatalytic properties of Na_xLa_1-xTaO_1+2xN_2-2x oxynitride solid solutions”
Koichiro Ueda, Hideki Kato, Makoto Kobayashi, Michikazu Hara, and Masato Kakihana, J. Mater. Chem. A, 1(11), 3367-3674 (2013).
DOI: 10.1039/C3TA10257B Published online on Jan 21, 2013.

“Electrical Properties of Amorphous Carbon Semiconductor Prepared Using a Naphthalene Precursor”
Yasunori Inoue, Mayo Sugano, Shunsuke Kawakami, Masaaki Kitano, Kiyotaka Nakajima, Hideki Kato, and Michikazu Hara, Bull Chem. Soc. Jpn, 86(1), 45-50 (2013).
DOI: 10.1246/bcsj.20120201 Published on Jan 15, 2013.

“Orange emission from new (Ba_1-XSr_X)₄Al₂S₇:Eu²⁺ thioaluminate phosphors with visible light excitation”
Takahiko Hasegawa, Hideki Kato, Yuji Takatsuka, Makoto Kobayashi, Hisanori Yamane, and Masato Kakihana, ECS J. Solid State Sci. Technol., 2(2), R3107-R3111 (2013).
DOI: 10.1149/2.019302jss Published on November 30, 2012.

“Synthesis of Spindle and Square Bipyramid-shaped Anatase-type Titanium Dioxide Crystals by a Solvothermal Method using Ethylenediamine”
Makoto Kobayashi, Hideki Kato, and Masato Kakihana, J. Ceram. Soc. Jpn, 120(11), 494-499 (2012). DOI: 10.2109/jcersj2.120.494

“Synthesis of Zn₂SiO₄:Mn²⁺ by Homogeneous Precipitation using Propylene Glycol-Modified Silane”
Kohei Yoshizawa, Hideki Kato, and Masato Kakihana, J. Mater. Chem., 22(33), 17272-17277 (2012). DOI: 10.1039/C2JM33056C

“Synthesis of an oxynitride-based green phosphor Ba₃Si₆O₁₂N₂:Eu²⁺ via an aqueous solution process using propylene glycol-modified silane”
Chihiro Yasushita, Hideki Kato, and Masato Kakihana, J. Info. Display, 13(3), 107-111 (2012). DOI: 10.1080/15980316.2012.692725

“Control of NaAlSiO₄:Eu²⁺ photoluminescence properties by charge-compensated aliovalent element substitutions”
Jihae Kim, Hideki Kato, and Masato Kakihana, Journal of Information Display, 13(3), 97-100 (2012). DOI: 10.1080/15980316.2012.691079

“Hydrothermal synthesis of hierarchical TiO₂ microspheres using a novel titanium complex coordinated by picolinic acid”
Quang Duc Truong, Makoto Kobayashi, Hideki Kato, and Masato Kakihana, J. Ceram. Soc. Jpn, 119(6), 513-516 (2011). DOI: 10.2109/jcersj2.119.513

“Novel Stannite-type Complex Sulfide Photocatalysts A^I₂-Zn-A^IV-S₄ (A^I=Cu and Ag; A^IV= Sn and Ge) for Hydrogen Evolution under Visible-light Irradiation”
Issei Tsuji, Yoshiki Shimodaira, Hideki Kato, Hisayoshi Kobayashi, and Akihiko Kudo, Chem. Mater., 22(4), 1402-1409 (2010).

“A Simple Preparation Method of Visible-Light-Driven BiVO₄ photocatalysts from Oxide Starting Materials (Bi₂O₃ and V₂O₅) and Their Photocatalytic Activities”
Akihide Iwase, Hideki Kato, and Akihiko Kudo, J. Solar Energy Eng., 132(2), 021106 (2010).