Synthesis of CuInS2 nanocrystal inks for low-cost thin film solar cells
- Synthesis of CuInS2 nanocrystal inks for low-cost thin film solar cells
- 조진우; 민병권
- CIS; nanoparticles; nanocrystal ink
- Issue Date
- 2011 춘계 대한화학회
- Recent advances in colloidal science are having a dramatic impact on the development of next generation low-cost and high-efficiency solar cells. Simple and safe solution phase synthesis that yields monodisperse, passivated, non-aggregated semiconductor nanocrystals of high optoelectronic quality have opened the door to several routes to new photovoltaic devices which are currently being explored. In one route, colloidal semiconductor nanocrystal “inks” are used primarily to lower the fabrication cost of the photoabsorbing layer of the solar cell. In this study, we present a facile solution synthesis of chalcopyrite CuInS2 nanocrystals and demonstrate that inks based on. These nanocrystals were redispersed in organic solvent with a suitable viscosity to use as an ink. After spraying and annealing the film was removed in Ar vapor environment to make thin film. The structural and optical properties of the chalcopyrite nanocrystals and films will be discussed in the presentation.
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