Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Asao Ohashi"'
Autor:
Asao Ohashi, Xin Wang, Shizuyasu Ochiai, Koji Yamamoto, Teruyoshi Mizutani, Kenzo Kojima, Yoshiyuki Uchida
Publikováno v:
Thin Solid Films. 516:2695-2699
The orientation and alignment of regioregular poly(3-hexylthiophene) (P3HT) molecules on Au (111) surface and on poly(4-vinylphenol) (PVP) thin film were investigated. The P3HT molecules on the smooth Au (111) are oriented with both the backbones and
Publikováno v:
Japanese Journal of Applied Physics. 47:446-449
Owing to advancing large-scale optical communications technology, all-optical devices have attracted attention in high-speed data communication systems. We measured the characteristics of the optical bistability of elements fabricated using a terthio
Publikováno v:
Japanese Journal of Applied Physics. 47:496-500
The relationship between the carrier mobility and the structure/morphology of polymer semiconductor molecules on a substrate remains a very important issue in organic electronics. In this paper, the relationship between the crystallinity of drop-cast
Autor:
Kenzo Kojima, Suguru Mototani, Asao Ohashi, Yuu Yamada, Teruyoshi Mizutani, Kunjithapatham Sethuraman, Shizuyasu Ochiai
Publikováno v:
Japanese Journal of Applied Physics. 47:450-454
In this paper, we report on the third-order nonlinear optical properties of poly(3-hexylthiophene) (P3HT) thin films prepared using solution methods. The third-order optical susceptibilities χ(3)(-3ω;ω,ω,ω) of P3HT thin films spin-coated and dro
Publikováno v:
The Review of Laser Engineering. 36:1295-1298
Regioregular poly(3-hexylthiophene) [RR-P3HT] thin films were prepared on fused quartz glasses by spin-coating and drop-casting from the chloroform solutions. The effect of surface modification of quartz glass by hexamethyldisilazane (HMDS) on the RR
Autor:
Narayana Perumal Rajesh, Teruyoshi Mizutani, Kunjithapatham Sethuraman, Shizuyasu Ochiai, Asao Ohashi, Kenzo Kojima, Jayaraman Ramajothi
Publikováno v:
The Review of Laser Engineering. 36:1291-1294
In the present work, Poly(3-hexylthiophene)/Polymethylmethacrylate [P3HT/PMMA] composite thin film was prepared using spin coating method on the top of triangular prism as composing a prism coupling waveguide. The optical bistable characteristics of
Publikováno v:
Electrical Engineering in Japan. 163:41-48
Vanadyl-phthalocyanine (VOPc) thin films deposited on a KBr substrate by molecular beam epitaxy (MBE) consist of nano-VOPc crystals epitaxially grown. The nano-VOPc crystals acquire a square shape as a result of annealing at 150°C. The size of the n
Autor:
Asao Ohashi, Shizuyasu Ochiai, Goro Sawa, Xin Wang, Teruyoshi Mizutani, Kenzo Kojima, Yoshiyuki Uchida
Publikováno v:
Japanese Journal of Applied Physics. 46:1337-1342
Organic field-effect transistors (OFETs) with water-soluble and crosslinkable poly(vinyl alcohol) (PVA) as a gate insulator and poly(3-hexylthiophene) (P3HT) as an active semiconductor were fabricated, and the device performances were investigated. H
Autor:
Hideo Furuhashi, Kenzo Kojima, Goro Sawa, Yoshiyuki Uchida, Asao Ohashi, Teruyoshi Mizutani, Shizuyasu Ochiai, Naoya Kuwako
Publikováno v:
Shinku. 50:141-144
After organic gas treatment for 25 hrs in 1,2-Dichloroethane vapor, the third order nonlinear susceptibility of PMMA/Tertiary-butyl Vanadylphthalocyanine [(t-Bu)nVOPc] composite film was observed to increase markedly because the phase morphology of P
Autor:
Kenzo Kojima, Asao Ohashi, Yoshiyuki Uchida, Suguru Mototani, Teruyoshi Mizutani, Shizuyasu Ochiai
Publikováno v:
IEEJ Transactions on Electronics, Information and Systems. 126:1424-1430