| 학회 |
한국화학공학회 |
| 학술대회 |
2010년 봄 (04/22 ~ 04/23, 대구 EXCO) |
| 권호 |
16권 1호, p.486 |
| 발표분야 |
에너지 |
| 제목 |
High-pressure free Meniscus Coating of semiconductor nanocrystal CuS, PbS and CdS into nanosturcture TiO2 |
| 초록 |
Recently, Self-assembled monolayer (SAM) technique, chemical bath deposition (CBD) and successive ionic layer adsorption and reaction are employed for the deposition Quantum-dot(QD) into TiO2 matrix. In this work, QDs are deposited by liquid carbon dioxide. Extremely low viscosity and surface tension of l-CO2 can lead faster diffusion of CO2 soluble precursor into the mesoporous oxide films. These unique physical properties of l-CO2 have been utilized in thin film deposition and extended its area. CuS, PbS and CdS were deposited as QDs. The structural characteristics, the chemical compositions and the light absorption characteristics of the QDs on the TiO2 film were investigated using wide-angle X-ray diffractometry (XRD), X-ray photoelectron spectroscopy (XPS) and UV-Vis spectroscopy. High-resolution transmission electron microscopy (HR-TEM) was employed for QDs morphology. EPMA and XPS study were investigated for deposition uniformity. Phototovoltaic performance also analized. |
| 저자 |
장원호1, 유기풍1, 김재덕2, 민병권2, 김재훈2
|
| 소속 |
1서강대, 2KIST |
| 키워드 |
deposition; quqntum dot; QDSSC; hFMC
|
| E-Mail |
|
| 원문파일 |
초록 보기 |
