Material and Life Science -> Molecular System Engineering (Achievement)
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Paper　(1995-)
  1. "High Performance in Molecularly Doped Photorefractive Polymers -High Temperature Casting Effect of r33-",
    Shin-ya Tanaka, Hiroshi Horikawa, Yasushi Komori, Norio Nagayama, and Masaaki Yokoyama,
    Mol.Cryst.Liq.Cryst., Vol.370, pp.111-114 (2001).


  2. "Optical Correlation System Based on Photorefractive Polymer and Polysilane Phase Mask",
    Tetsuo Sato, Norio Nagayama, and Masaaki Yokoyama,
    Mol.Cryst.Liq.Cryst., Vol.370, pp.115-118 (2001).


  3. "Novel microlens array fabrication utilizing UV-photodecomposition of polysilane"
    Yoshiaki Sakurai, Shigeki Okuda, Norio Nagayama, and Masaaki Yokoyama
    J. Mater. Chem., Vol.11, pp.1077-1080 (2001).


  4. "Refractive Index Modification Due to the UV-Photodecomposition of Polysilane and Its Application as Phase Mask"
    Norio Nagayama, Mayuko Shimono, Tetsuo Sato, and Masaaki Yokoyama
    Mol.Cryst.Liq.Cryst., Vol.349, pp.119-122 (2000).


  5. "A High-speed Photocurrent Multiplication Device Based on an Organic Double-layered Structure"
    Ken-ichi Nakayama, Masahiro Hiramoto, and Masaaki Yokoyama
    Applied Physics Letters, Vol.76, No.9, pp.1194-1196 (2000).


  6. "Photocurrent Multiplication at Organic/Metal Interfase and Surface Morphology of Organic Films"
    Ken-ichi Nakayama, Masahiro Hiramoto, and Masaaki Yokoyama
    Applied Physics Letters, Vol.87, No.7, pp.3365-3369 (2000).


  7. "Direct Measurement of Internal Potential Distribution in Organic Electroluminescent Diodes During Operation"
    Masahiro Hiramoto, Keiji Koyama, Ken-ichi Nakayama, and Masaaki Yokoyama
    Appl.Phys.Lett., Vol.76, No.10, pp.1336-1338 (2000).


  8. "Optical Correlation System by use of Photorefractive Polymer"
    Norio Nagayama and Masaaki Yokoyama
    Mol.Cryst.Liq.Cryst., Vol.327, pp.19-22 (1999)


  9. "Photochemical Ionic-Conductivity Switching Systems of Photochromic Crown Ethers for Information Technology"
    Keiichi Kimura, Ryoko Mizutani, Tatsuya Suzuki, and Masaaki Yokoyama
    J. Inclusion Phenomena and Molecular Recognition in Chemistry, Vol.32, pp.295-310 (1998).


  10. "Cation Complexation, Isomerization, and Photoresponsive Ionic Conduction of a Crown Ether Derivative Carrying Two Spirobenzopyran Units"
    Keiichi Kimura, Takashi Teranishi, Masaaki Yokoyama, Setsuko Yajima, Saori Miyake, Hidefumi Sakamoto, and Mutsuo Tanaka
    J. Chem. Soc., Perkin Trans.2, pp.199-204 (1999).


  11. "Neutral Carrier-Type Ion Sensors Based on Sol-Gel-Derived Membranes Incorporating a Bis(crown ether)Derivative by Covalent Bonding"
    Keiichi Kimura, Takenobu Sunagawa, Setsuko Yajima, Saori Miyake, and Masaaki Yokoyama
    Anal.Chem., Vol.70, No.20, pp.4309-4313 (1998).


  12. "Direct Tracing of the Photocurrent Multiplication Process in an Organic Pigment Film"
    Ken-ichi Nakayama, Masahiro Hiramoto, and Masaaki Yokoyama
    J. Appl.Phys., Vol.84, No.11, pp.6154-6156 (1998).


  13. "Photocurrent Multiplication Phenomena at Organic/Metal and Organic/Organic Interfases"
    Masahiro Hiramoto, Ken-ichi Nakayama, Ichiro Sato, Hiroyuki Kumaoka, and Masaaki Yokoyama
    Thin Solid Films, Vol.331, pp.71-75 (1998).


  14. "Field-activated Structural Traps at Organic Pigment/Metal Interfaces Causing Photocurrent Multiplication Phenomena"
    Masahiro Hiramoto, Ken-ichi Nakayama, Tadashi Katsume, and Masaaki Yokoyama
    Appl.Phys.Lett., Vol.73, No.18, pp.2627-2629 (1998).


  15. "Novel Offset Printing without a Developing Process Utilizing the UV-Photodecomposition of Polysilane"
    Norio Nagayama, Yasuhiro Tachibana, and Masaaki Yokoyama
    Bullt.Chem.Soc.Jpn., Vol.71, No.8, pp.2005-2009 (1998).


  16. "Au Colloid Formation in Polysilane/Au Layered Film and Its Application as Novel Opticcal Recording Media"
    Norio Nagayama, Tomohiro Maeda, Yoshiaki Sakurai, and Masaaki Yokoyama
    Mol.Cryst.Liq.Cryst., Vol.316, pp.411-414 (1998).


  17. "Calix[4]arene Derivative Bearing π-Coordinate Substituents as Neutral Carrier for Silver Ion Sensors"
    Keiichi Kimura, Kenta Tatsumi, Setsuko Yajima, Saori Miyake, Hidefumi Sakamoto, and Masaaki Yokoyama
    Chem.Lett., No.8, pp.833-834 (1998).


  18. "Calix[4]arene-Modified Oligosiloxane as a Quasi-Immobilized Neutral Carrier for Silicone-Rubber-Membrane Sodium Ion-Selective Electrodes"
    Keiichi Kimura, Yutaka Tsujimura, Masaaki Yokoyama, and Takumi Maeda
    Bull. Soc. Chem. Jpn., Vol. 71, No. 3, pp. 657-660 (1998).


  19. "Photoinduced Switching of Ionic Conductivity by Metal Ion Complexes of Vinyl Copolymers Carrying Crowned Azobenzene and Biphenyl Moieties at the Side Chain"
    Keiichi Kimura, HideoTokuhisa, and Masaaki Yokoyama
    J. Mater. Chem., Vol. 8, No. 4, pp. 889-891 (1998).


  20. "All-or-none Type Photochemical Switching of Cation Binding with Malachite Green Carrying Bis(monoazacrown ether) Moiety"
    Keiichi Kimura, Ryoko Mizutani, Masaaki Yokoyama, Ryuichi Arakawa, Gen-etsu Matsubayashi, Masanori Okamoto, and Hidekazu Doe (Osaka City University)
    J. Am. Chem. Soc., Vol. 119, No. 8, pp. 2062-2063 (1998).


  21. "Photocurrent Multiplication Phenomenon at Organic/Organic Heterojunction and Application to Optical Computing Device Combining with Organic Electroluminescence"
    Masahiro Hiramoto, Hiroyuki Kumaoka, and Masaaki Yokoyama
    Synth. Met., Vol. 91, No. 1-3, pp. 77-79 (1997).


  22. "High La(III) Affinity of a Bis(spirobenzopyran) Azacrown Ether and Photoinduced Switching of its Ion Selectivity between Multivalent and Monovalent Metal Ions."
    Keiichi Kimura, Tomohito Utsumi, Takashi Teranishi, Masaaki Yokoyama, Hidefumi Sakamoto, Masanori Okamoto, Ryuichi Arakawa, Hiroshi Moriguchi, and Yoko Miyaji
    Angew. Chem. Int. Ed. Engl., Vol. 36, No. 22, pp. 2452-2454 (1997).


  23. "Carrier Photogeneration Processes in Layered Organic Systems Incorporating Bisazo Pigment: Xerographic and Electroabsorption Study"
    Minoru Umeda and Masaaki Yokoyama
    J. Appl. Phys., Vol. 81, No. 9, pp. 6179-6182 (1997).


  24. "Cation Complexation, Photochromism, and Photoresponsive Ion-conducting Behavior of Crowned Malachite Green Leuconitrile"
    Keiichi Kimura, Masayuki Kaneshige, and Masaaki Yokoyama
    Chem. Mater., Vol.7, pp.945-950 (1997).


  25. "Drastic Metal-Ion Enhancement in Photoinduced Aggregation of Copolymers Carrying Crown Ether and Spirobenzopyran Moieties"
    Keiichi Kimura, Miwa Sumida, and Masaaki Yokoyama
    Chem. Commun., No. 15, pp. 1417-1418 (1997).


  26. "Applications of Sol-Gel-Derived Glass Membranes to Neutral Carrier-Type Ion-Sensitive Field-Effect Transistors"
    Keiichi Kimura, Takenobu Sunagawa, and Masaaki Yokoyama
    Anal. Chem., Vol. 69, No. 13, pp. 2379-2383 (1997).


  27. "Colloid Formation from Vacuum Deposited Au Thin Layer on a UV-light Pre-exposed Polysilane Film"
    Norio Nagayama,Tomohiro Maeda, and Masaaki Yokoyama
    Chem. Lett., No.5, pp.397-398 (1997).


  28. "Photo-control of charge injection using photochromic compounds in organic/metal interface"
    Toshikazu Hon-ma and Masaaki Yokoyama
    Denshi Shashin Gakkaishi, Vol. 36, No. 1, pp. 5-10 (1997) [in Japanese].


  29. "Photorefractivity Based on Photoinduced Ionic-conductivity Changes with Crowned Spirobenzopyran"
    Keiichi Kimura, Ryoko Mizutani, Shigetaka Aoki, and Masaaki Yokoyama
    Chem. Lett., No. 4, pp. 285-286 (1997).


  30. "All-or-none Type Photochemical Switching of Cation Binding with Malachite Green Carrying a Bis(monoazacrown ether) Moiety"
    Keiichi Kimura, Ryoko Mizutani, Masaaki Yokoyama, Ryuichi Arakawa, Gen-etsu Matsubayashi, Masanori Okamoto, and Hidekazu Doe
    J. Am. Chem. Soc., Vol.119, No.8, pp.2062-2063 (1997).


  31. "Thermally Induced Colloid Formation of Au on a Polysialne FIlm Pre-exposed to UV-Light and Its Application to Novel Optical-Recording Media"
    Norio Nagayama, Kazuhiro Itagaki and Masaaki Yokoyama
    Adv. Mater., Vol.9, No.1, pp71-75 (1997)


  32. "Patterned Emission in Organic Electroluminescent Device Using Photodecomposition of Polysilane Film by UV Light"
    Masahiro Hiramoto, Yoshimasa Sakata, and Masaaki Yokoyama
    Jpn. J. Appl. Phys., Part 1, Vol.35, No.9A, pp.4809-4812 (1996).


  33. "Sodium Ion-Selective Electrodes Based on Silicone-Rubber Membranes Covalently Incorporating Neutral Carriers"
    Yutaka Tsujimura, Takenobu Sunagawa, Masaaki Yokoyama, and Keiichi Kimura
    Analyst (London), Vol.121, pp.1705-1709 (1996).


  34. "Hole Transport in Polysilane Films under Elongation"
    Norio Nagayama, Hisashi Ohwatari, and Masaaki Yokoyama
    J. Imaging Sci. Technol., Vol.40, No.4, pp.304-310 (1996).


  35. "Synthesis of Vinyl Polymers Incorporating Different Crowned Azobenzene Moieties and Their Application to Photoresponsive Ion-Conducting System"
    Hideo Tokuhisa, Keiichi Kimura, and Masaaki Yokoyama
    Bull. Soc. Chem. Jpn., Vol.69, No.7, pp.2123-2130 (1996).


  36. "Extraction Spectrophotometry of Lithium Ion Based on Cation- and Photo-induced Isomerization of Crowned Spirobenzopyran"
    Keiichi Kimura, Saeko Kanokogi, and Masaaki Yokoyama
    Anal. Sci., Vol.12, pp.399-40 (1996).


  37. "Chemical Modification of Sol-Gel-Derived Glass by a Neutral Carrier for Ion Sensors"
    Keiichi Kimura, Takenobu Sunagawa, and Masaaki Yokoyama
    Chem. Commun., No.8, pp.745-746 (1996).


  38. "Anomalous Potential Response of Sodium Ion-Sensing Membrane Containing a Proton-Dissociable Calix[4]arene Ionophore"
    Keiichi Kimura, Akio Sakai, and Masaaki Yokoyama
    Supramolecular Chem., Vol.7, pp.107-111 (1996).


  39. "Photoinduced Hole Injection Multiplication in p-type Quinacridone Pigment Films"
    Masahiro Hiramoto, Shuji Kawase, and Masaaki Yokoyama
    Jpn. J. Appl. Phys., Part 2, Vol.35, No.3A, pp.L349-L351 (1996).


  40. "Highly Calcium-ion-accelerated Coloration of Bis(spirobenzopyran) Bridged by Diaza-18-crown-6 Moiety at the 8-Position"
    Keiichi Kimura, Takashi Teranishi, and Masaaki Yokoyama
    Supramol. Chem., Vol.7, pp.11-13 (1996).


  41. "Pattern Coloring of UV-light Imaged Polysilane Films Using Electrochemical Deposition of Pigment Micelle"
    Yoshiaki Sakurai, Yasuhiro Tachibana, Takashi Koura, and Masaaki Yokoyama
    Chem. Lett., Vol.1996, No.2, pp.167-168 (1996).


  42. "Conduction Type Control From n to p Type for Organic Pigment Films Purified by Reactive Sublimation"
    Masahiro Hiramoto, Kiyoaki Ihara, Hiroyuki Fukusumi, and Masaaki Yokoyama
    J. Appl. Phys., Vol.78, No.12, pp.7153-7157 (1995).


  43. "Neutral-Carrier-Type Ion-Sensing Membranes Based on Sol-Gel-Derived Glass "
    Keiichi Kimura, Takenobu Sunagawa, and Masaaki Yokoyama
    Chem. Lett., No.10, p.967 (1995).


  44. "Silicone-Rubber Membrane Sodium-Ion Sensors Based on Calix[4]arene Neutral Carriers"
    Keiichi Kimura, Yutaka Tsujimura, and Masaaki Yokoyama
    Pure Appl.Chem., Vol.67, No.7, pp.1085-1089 (1995).


  45. "Fermi Level Shift in Photoconductive Organic Pigment Films Measured by Kelvin Vibrating Capacitor Method"
    Masahiro Hiramoto, Kiyoaki Ihara, and Masaaki Yokoyama
    Jpn. J. Appl.Phys., Vol.34, No.7B, pp.3803-3807 (1995).


  46. "Practical Applicability of Silicone-Rubber Membrane Sodium-Selective Electrode Based on Oligosiloxane-Modified Calix[4]arene Neutral Carrier"
    Yutaka Tsujimura, Masaaki Yokoyama, and Keiichi Kimura
    Anal. Chem., Vol.67, No.14, pp.2401-2404 (1995).


  47. "Ion-conducting Behavior and Photoinduced Ionic-conductivity Switching of Composite Films Containing Crowned Cholesteric Liquid Crystals"
    Hideo Tokuhisa, Keiichi Kimura, Masaaki Yokoyama, and Seiji Shinkai (Kyushu University)
    J. Chem. Soc., Faraday Trans., Vol.91, No.8, pp.1237-1140 (1995).


  48. "Light Amplification Device using Organic Electroluminescent Diode Coupled with Photoresponsive Oganic Pigment Film"
    Tadashi Katsume, Masahiro Hiramoto, and Masaaki Yokoyama
    Appl. Phys. Lett., Vol.66, No.22, pp.2992-2994 (1995).


  49. "Electroabsorption of Photoconductive Azo Pigments"
    Minoru Umeda (Ricoh Co. Ltd.) and Masaaki Yokoyama
    Jpn. J. Appl. Phys., Vol.34, Part 2, No.1A, pp.L44-L46 (1995).


  50. "Biphasic Photoresponse of Membrane Potential by Crowned Spirobenzopyran"
    Keiichi Kimura, Akio Sakai, and Masaaki Yokoyama
    Supramol. Sci., Vol.2, No.2 pp.125-126 (1995).


| Paper |　　| Abstract of International conference |　　| Other [in Japanese] |
MENU : Top page Research Achievement Member Link Lab. news
Material and Life Science -> Molecular System Engineering (Achievement)
[Japanese]