http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Satoshi Seino,Takuya Kinoshita,Yohei Otome,Takashi Nakagawa,Kenji Okitsu,Tadachika Nakayama,Tohru Sekino,KoichiNiihara,Takao A. Yamamoto 한양대학교 세라믹연구소 2004 Journal of Ceramic Processing Research Vol.5 No.2
Nanocomposite particles composed of gold and iron oxide were synthesized with various ratios of gold and iron oxide in an aqueous phase using γ-rays. Iron oxide nanoparticles of γ-Fe2O3 or Fe3O4 were used as a magnetic phase on which gold nanoparticles with average diameters of 5-10 nm were supported. The efficiency of magnetic separation of biomolecules by the present nanocomposite particles was investigated using glutathione as a model compound. The amount of glutathione magnetically separated was significantly enhanced by the supported gold nanoparticles.
Yun Sun,Takuya Nakayama 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2015 NANO Vol.10 No.3
An investigation about the fabrication of thin single-walled carbon nanotubes (SWCNTs) using Fe18 clusters as the catalyst precursor by means of mist flow chemical vapor deposition (CVD) has been carried out. The advantage of Fe18 clusters is the uniform and small particle size. As a result, choosing the acetonitrile (MeCN), the original solvent for preparing Fe18 clusters, as the carbon source can lead to the mean diameter of as-grown SWCNTs around 0.81 nm and thinner than some published results (zeolite-supported CVD and HiPco). In addition, according to the measured diameter distribution of as-grown SWCNTs, we are aware that thin SWCNTs less than 1.0 nm are dominant within the as-grown products corresponding to photoluminescence (PL) map indicating that mist flow CVD could be another option for the fabrication of thin SWCNTs in a floating CVD system and beneficial for the application of SWCNTs and development of CNT-based semiconducting electronic devices.
YUN SUN,RYO KITAURA,TAKUYA NAKAYAMA,HISANORI SHINOHARA,YASUMITSU MIYATA 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2012 NANO Vol.7 No.6
The in°uences of synthesis parameters on the mean diameter and diameter distribution of as-grown single-wall carbon nanotubes (SWCNTs) with chemical vapor deposition (CVD) using the mist °ow method have been investigated in detail with Raman spectroscopy, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). We found that CVD reaction temperature and °ow rate play an essential role in controlling the mean diameter and the quality of as-grown SWCNTs. Furthermore, we found that the carbon supply kinetics can be a dominant factor to determine the diameter of as-grown SWCNTs in the present mist °ow method. Under a di®erent combination of various parameters, the mean diameter of SWCNTs can be varied from 0.9nm to 1.5nm controllably.