| 학회 |
한국화학공학회 |
| 학술대회 |
2014년 가을 (10/22 ~ 10/24, 대전 DCC) |
| 권호 |
20권 2호, p.1914 |
| 발표분야 |
재료 |
| 제목 |
Synthesis of Metal-Incorporated Cadmim Chalcogenide Heterostructured Nanocrystals with Different Morphologies |
| 초록 |
Colloidal heterostructured hybrid nanomaterials are of great interest due to the synergistic properties originating from different types of metal-semiconductor interfaces and thus lead to various applications such as photocatalysts, bioimaging and so forth. Here, we report on the synthesis of metal-semiconductor hybrid nanomaterials, more specifically platinum-tipped or -decorated cadmium chalcogenide nanocrystals with different morphologies including nanorods and tetrapods. Depending on the surface conditions of semiconductor nanocrystals, platinum metals nucleate and grow from either one- or both ends of semiconductor nanocrystals or all around the nanocrystal surface. We further demonstrate the incorporation of cobalt and cobalt oxide nanoparticles onto the platinum-tipped CdSe@CdS hybrid nanorods, where the terminal platinum NP tips selectively seed the growth of metal cobalt NP tips as either nano-matchsticks with one metal tip or dumbbells with two metal tips at both ends of nanorods. These hybrid nanorods show differeny self-assembly structures depending on the nature of nanorod or tetrapod metallic NP inclusions. |
| 저자 |
성영훈1, 임재훈2, Lawrence J. Hill3, Jeffrey Pyun3, 차국헌1
|
| 소속 |
1서울대, 2Los Alamos National Laboratory, 3Univ. of Arizona |
| 키워드 |
Nanocrystals; Hybrids; Heterostructures
|
| E-Mail |
|
| 원문파일 |
초록 보기 |
