| 학회 | 한국화학공학회 |
| 학술대회 | 2011년 가을 (10/26 ~ 10/28, 송도컨벤시아) |
| 권호 | 17권 2호, p.2173 |
| 발표분야 | Surface Engineering of Functional Nanomaterials(문상흡 교수 정년퇴임 기념 특별 심포지엄) |
| 제목 | Large-scale Synthesis of Uniform-sized Nanocrystals for Energy and Catalytic Applications |
| 초록 | We developed a new generalized synthetic procedure, called as “heat-up process,” to produce uniform-sized nanocrystals of many transition metals and oxides without a size selection process. We were able to synthesize uniform magnetite nanocrystals as much as 1 kilogram-scale from the thermolysis of Fe-oleate complex. We report the large-scale synthesis of magnetite nanocrystals imbedded in a carbon matrix and hollow hematite nanocapsules. These iron oxide-based nanomaterials exhibited very high specific capacity and good cyclability. We reported a very simple and large-scale synthesis of uniform-sized bismuth (Bi) nanocrystals with controlled sizes, and characterized size-dependent thermoelectric properties. A simple synthesis of heterodimer nanocrystals of Rh-Fe3O4 and Pd-Fe3O4 was achieved by controlled one-pot thermolysis of a mixture solution composed of Fe(acac)3, M(acac)3, oleic acid, and oleylamine. The nanocrystals exhibited excellent activities for the selective reduction of nitroarenes and Suzuki coupling reactions. Furthermore the nanocrystal catalyst could be easily separated by a magnet, and recycled many times without losing the catalytic activity. |
| 저자 | 현택환, 손재성, 장영진 |
| 소속 | 서울대 |
| 키워드 | nanocrystal; energy; catalyst; large scale synthesis; heat-up process |
| VOD | VOD 보기 |
| 원문파일 | 초록 보기 |
