탄소 나노튜브의 CdS, CdSe 양자점 감응형 태양전지 응용
- Title
- 탄소 나노튜브의 CdS, CdSe 양자점 감응형 태양전지 응용
- Other Titles
- Application of single-walled carbon nanotubes to CdS/CdSe quantum-dot-sensitized solar cell
- Author
- 박현준
- Alternative Author(s)
- Park, Hyun June
- Advisor(s)
- 이휘건
- Issue Date
- 2014-02
- Publisher
- 한양대학교
- Degree
- Master
- Abstract
- Cadmium sulfide (CdS) and cadmium selenide (CdSe) are sequentially assembled onto a nanocrystalline TiO2 film to create a quantum-dot (QD)-sensitized solar cell application by a successive ionic layer adsorption and reaction (SILAR) method. The results show that CdS and CdSe QDs have a complementary effect in the performance of light harvest of solar cell. Single-walled carbon nanotubes (SWNTs) are incorporated with a CdS/CdSe QDs solar cell by mixing them with TiO2 film to enhance electron transfer. SWNTs are also sprayed onto CdSe QDs (SWNTs onto CdSe) to apply p+ type properties of SWNTs. Absorbance is increased in a wide wavelength range. In particular, cells having the sprayed SWNTs onto the QDs show a clear increase in absorbance at a low wavelength region. The fill factor of CdS/CdSe QDs with SWNTs is higher than that without SWNTs, indicating the decrease in loss of electron from TiO2 to QDs. Short-circuit current in a QD-sensitized solar cell having SWNTs on CdSe shows maximum value. Photo-current conversion efficiency of cells is increased in both cell types containing SWNTs at 10~17 % compared with pristine cells. We expect that solar cells using SWNTs will affect future energy technology and devices.
- URI
- https://repository.hanyang.ac.kr/handle/20.500.11754/130979http://hanyang.dcollection.net/common/orgView/200000424333
- Appears in Collections:
- GRADUATE SCHOOL[S](대학원) > CHEMISTRY(화학과) > Theses (Master)
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