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Research Highlight 2012

Press release

Experimental Elucidation of the Role of Cocatalyst for High Efficiency in Fuel Cell Reactions
-Guidelines for Simultaneously Realizing Reduced Use of Platinum and High Efficiency in Fuel Cells-
 (Prof. Kohei Uosaki, Dr. Takuya Masuda, Nanostructured Electrocatalyst Group)


1. Self-Organized Nanostructures and High Blocking Temperatures in MgO-Based d0 Ferromagnets Masayoshi Seike, Van An Dinh, Tetsuya Fukushima, Kazunori Sato and Hiroshi Katayama-Yoshida Japanese J. of Applied Physics 51 050201(2012)

2. Diffusion Mechanism of Polaron–Li Vacancy Complex in Cathode Material Li2FeSiO4 Kieu My Bui, Van An Dinh and Takahisa Ohno Applied Physics Express 5 125802(2012)

3. Formation of Perpendicular Graphene Nanosheets on LiFePO4: A First-Principles Characterization 耿文通,平徳海,奈良純,大野隆央 J. of Physical Chemistry C

4. Synthesis of High-density Vertically Aligned Carbon Nanotubes Using Ultrasonic Nebulizer J.-H. Zhang, W. Li, T. Soga, T. Jimbo, T. Tanji Materials Sciences and Applications

5. A New Insight into the Polaron–Li Complex Diffusion in Cathode Material LiFe1-yMnyPO4 for Li Ion Batteries Van An Dinh, Jun Nara and Takahisa Ohno Applied Physics Express 5 045801(2012)

6. "A hybrid density functional study on the electron and hole trap states in anatase titanium dioxide" Takenori Yamamoto and Takahisa Ohno Phys. Chem. Chem. Phys., 14, 589–598(2012)

7. Screened hybrid density functional study on Nb- and Ta-doped TiO2 Takenori Yamamoto and Takahisa Ohno PHYSICAL REVIEW B 85, 033104 (2012)

8. Nazca Lines by La ordering in La2/3-xLi3xTiO3 ion-conductive perovskite, Mitsuishi, K ; Ohnishi, T ; Tanaka, Y ; Watanabe, K ; Sakaguchi, I ; Ishida, N ; Takeguchi, M ; Ohno, T ; Fujita, D ; Takada, K , APPLIED PHYSICS LETTERS, 101 ,7,073903, 2012

9. “Adsorption of Co-Phthalocyanine on the Rutile TiO2(110) Surface: A Scanning Tunneling Microscopy/Spectroscopy Study” Nobuyuki Ishida, and Daisuke Fujita "Journal of Physical Chemistry C 116, p.20300-p.200305 DOI: 10.1021/jp303152c"

10. “Superhydrophilic TiO2 surfaces generated by reactive oxygen treatment” Nobuyuki Ishida, and Daisuke Fujita "Journal of Vacuum Science & Technology A 30, 051402/p.1-p.5 DOI: 10.1116/1.4736946"

11. Controllable growth of single-layer graphene on a Pd(111) substrate” Jian-Hua Gao, Nobuyuki Ishida, Scott Isaacson, and Daisuke Fujita "Carbon 50, p.1674-p.1680 DOI: 10.1016/j.carbon.2011.12.012"

12. “Three-dimensional Observation of SiO2 Hollow Spheres with a Double-shell Structure using Aberration-corrected Scanning Confocal Electron Microscopy” Xiaobin Zhang, Masaki Takeguchi, Ayako Hashimoto, Kazutaka Mitsuishi, Peng Wang, Peter D. Nellist, Angus I. Kirkland and Masayuki Shimojo, Journal of Electron Microscopy, Vol. 61 (2012) pp.159-169

13. “Three-dimensional Elemental Mapping of Hollow Fe2O3@SiO2 Mesoporous Spheres using Scanning Confocal Electron Microscopy” Peng Wang, Ayako Hashimoto, Masaki Takeguchi, Kazutaka Mitsuishi, Masayuki Shimojo, Yufang Zhu, Mitsuhiro Okuda, Angus I. Kirkland and Peter D. Nellist, Applied Physics Letters, Vol.100 (2012) pp.213117.

14. “Improvement of Depth Resolution of ADF-SCEM by Deconvolution: Effects of Electron Energy Loss and Chromatic Aberration on Depth Resolution” Xiaobin Zhang, Masaki Takeguchi, Ayako Hashimoto, Kazutaka Mitsuishi, Meguru Tezuka and Masayuki Shimojo Microscopy and Microanalysis, Vol. 18 (2012) pp.603-611.

15. “In Situ Observation of Pt Nanoparticles on Graphene Layers under High Temperature using Aberration-corrected Transmission Electron Microscopy” Ayako Hashimoto and Masaki Takeguchi Journal of Electron Microscopy, Vol.61 (2012) pp.409-413

16. “Three-dimensional Analysis of Nanoparticles on Carbon Support using Aberration-corrected Scanning Confocal Electron Microscopy” Ayako Hashimoto, Peng Wang, Masayuki Shimojo, Kazutaka Mitsuishi, Peter D. Nellist, Angus I. Kirkland and Masaki Takeguchi Applied Physics Letters, Vol.101 (2012) pp.253108-1-253108-4

17. "Structure of water in the vicinity of a zwitterionic polymer brush as examined by sum frequency generation method" Takuya Kondo, Kouji Nomura, Masanobu Murou, Makoto Gemmei-Ide, Hiromi Kitano, Hidenori Noguchi, Kohei Uosaki, Kohji Ohno, Yoshiyuki Saruwatari Colloids Surf. B: Biointerfaces. 100, 126-32 (2012)

18. "Effect of surface treatment with different sulfide solutions on the ultrafast dynamics of photogenerated carriers in GaAs(100)" Mikhail V. Lebedev, Katsuyoshi Ikeda, Hidenori Noguchi, Yusuke Abe, and Kohei Uosaki Appl. Surf. Sci. 267, 185-188 (2012)

19. "Possible magnetic behavior in oxygen-deficient β-PtO2" Y. Yang, O. Sugino, and T. Ohno Phys. Rev. B85, 035204

20. “Band Gap of β-PtO2 from first-principles” Y. Yang, O. Sugino, and T. Ohno AIP Advances, 2, 022172

21. “High-rate growth of high-crystallinity LiCoO2 epitaxial thin films by pulsed laser deposition” T. Ohnishi and K. Takada Appl. Phys. Express 5 (2012) 055502

22. “Synthesis and orientation control of Li-ion conducting epitaxial Li0.33La0.56TiO3 solid electrolyte thin films by pulsed laser deposition” T. Ohnishi and K. Takada Solid State Ionics 228 (2012) 80

23. Effect of Branched Alkyl Chains Attached at sp3 Silicon of Oonor-Acceptor Copolymers on Their Morphology and Photovoltaic Properties, Tatsuaki Nakanishi、Yasuhiro Shirai, Takeshi Yasuda, Liyuan Han, J. of Polymer Science Part A: Polymer Chemistry, 50, 4829, 2012

24. “Surface Treatment for Effective Dye Adsorption on Nanocrystalline TiO2” M. Yanagida, H. Chen, L. Han, Jpn. J. Appl. Phys 51[10] (2012) 10NE16-1.

25. “Ellipsoidal TiO2 Hierarchitectures with Enhanced Photovoltaic Performance” W. Peng, M. Yanagida, H. Chen  and L. Han , Chem.-Eur. J. 18[17] (2012) 5269-5274.

26. “Structural tuning of optical antenna properties for plasmonic enhancement of photocurrent generation on a molecular monolayer system” *K. Ikeda, K. Takahashi, T. Masuda, H. Kobori, M. Kanehara, T. Teranishi, *K. Uosaki J. Phys. Chem. C 116, 20806-20811 (2012)

27. “Optical antenna for photo-functional molecular system” *K. Ikeda, K. Uosaki Chem. Euro. J. 18, 1564-1570 (2012)

28. “Structure of adsorbed molecular layer on fused quartz surface determined sequentially in sodium stearate solution, dry Ar, pure water, and dry Ar by sum frequency generation spectroscopy” Y. Zhang, H. Noguchi, S. Ye, K. Uosaki Surface Science 607, 92–96 (2013)

29. “Role of Cerium Oxide in the Enhancement of Activity for the Oxygen Reduction Reaction at Pt−CeOx Nanocomposite Electrocatalyst – An in Situ Electrochemical X-ray Absorption Fine Structure Study” T. Masuda, H. Fukumitsu, K. Fugane, H. Togasaki, D. Matsumura, K. Tamura, Y. Nishihata, H. Yoshikawa, K. Kobayashi, T. Mori, K. Uosaki J. Phys. Chem. C, 116, 10098−10102 (2012)

30. “Photoelectrochemical Reduction of Carbon Dioxide at Si(111) Electrode Modified by Viologen Molecular Layer with Metal Complex” Y. Sun, T. Masuda, K. Uosaki Chemistry Letters, 41, 328-330 (2012)

31. “Molecular Catalysts Confined on and Within Molecular Layers Formed on Si(111) Surface with Direct Si-C Bond” T. Masuda, H. Fukumitsu, S. Takakusagi, W. -J. Chun, T. Kondo, K. Asakura, K. Uosaki Advanced Materials, 24, 268-272 (2012)

32. “Electrochemical Layer-by-layer Deposition of Pseudomorphic Pt Layers on Au(111) Electrode Surface Confirmed by Electrochemical and In situ Resonance Surface X-ray Scattering Measurements” M. Shibata, N. Hayashi, T. Sakurai, A. Kurokawa, H. Fukumitsu, T. Masuda, K. Uosaki, T. Kondo J. Phys. Chem. C, 116, (50), 26464-26474 (2012)

33. “Examination of the electroactive composites containing cobalt nanoclusters and nitrogen-doped nanostructured carbon as electrocatalysts for oxygen reduction reaction” A. Pacu1a, K. Ikeda, T. Masuda, K. Uosaki Journal of Power Sources, 220, 20-30 (2012)

34. ‘Improvement of cathode performance on Pt-CeOx by optimization of electrochemical pretreatment condition for PEFC application’ K.Fugane, T.Mori, D.R.Ou, P.F.Yan, F.Ye, H.Yoshikawa, and J.Drennan Langmuir, Vol.28(48), pp.16692-16700(2012)

35. ‘Preparation and performance of intermediate-temperature fuel cells based on Gd-doped ceria electrolytes with different compositions’ Z.M. Li, T.Mori, P.F.Yan, Y.Y.Wu, and Z.P.Li Materials Science and Engineering B, Vol.177(17), pp.1538-1541(2012)

36. ‘Preparation of highly ordered nitrogen containing mesoporous carbon from gelatin biomolecule and its excellent sensing performance to acetic acid’ G.P. Mane, S.N.Talapaneni, C.Anand, V.Shaji, H.Iwai, J.Qingmin, K.Ariga, T.Mori, and A.Vinu Adavanced Functional Materials, Vol.22(17), pp.3596-3604(2012)

37. ‘Grain boundary's conductivity in heavily yttrium doped ceria’ P.F.Yan, T.Mori, A.Suzuki, Y.Y.Wu, G.Auchterlonie, J.Zou, and J.Drennan Solid State Ionics, Vol.222-223, pp.31-37 (2012)

38. ‘Incubational domain characterization in lightly doped ceria’ Z.P. Li, T.Mori, G. Auchterlonie, J.Zou, and J.Drennan Journal of Solid State Chemistry, Vol.192, pp.28-33(2012)

39. ‘Optimization of ionic conductivity in solid electrolytes through dopant-dependent defect cluster analysis’ Z.P. Li, T. Mori, J.Zou, and J.Drennan Physical Chemistry Chemical Physics, Vol.14(23), pp 8369–8375(2012)

40. ‘Cerium-reduction-induced defects clustering, ordering, and assocaited microstructure evolution in yttrium-doped ceria’ Z.P. Li, T. Mori, F.Ye, D.R.Ou, G. Auchterlonie, J. Zou, and J. Drennan Journal of Physical Chemistry C, Vol.116(9), pp.5435-5443(2012)

41. ‘Nanodomain formation and distribution in Gd-doped ceria’ Z.P. Li, T.Mori, G.Auchterlonie, J.Zou, and J.Drennan Materials Research Bulletin, Vol.47(3), pp.763-767(2012)

42.‘Microstructural evolution in a CeO2-Gd2O3 system’ F. Ye, D.R.Ou, and T.Mori Microscopy and Microanalysis, Vol.18(1), pp.162-170(2012)