Synthesis of CuInS2 and Cu(InxGa1-x)Se2 nanocrystal inks by a solvothermal route
- Synthesis of CuInS2 and Cu(InxGa1-x)Se2 nanocrystal inks by a solvothermal route
- 조진우; 민병권
- nanocrystals; CIGS; CIS; Ink
- Issue Date
- International Union of Materials Research Societies & International Conference on Electronic Materials (IUMRS-ICEM 2010)
- Non-vacuum processes such as printing, electroplating and spraying have been suggested to solve the problems of the current vacuum based CIGS solar cell fabrication methods. Particularly, the printing method using a nanocrystal ink would be a most promising one considering manufacturing cost and large panel fabrication. In this study, chalcopyrite copper indium sulfide (CuInS2) and copper indium gallium selenide (Cu(InxGa1-x)Se2) nanocrystals were synthesized by an arrested precipitation in solution. These nanocrystals were then re-dispersed in organic solvent with a suitable viscosity to use as an ink. After drop casting and annealing the film was sulfurized in H2S/Ar atmosphere. The compositional and structural characteristics of nanocrystals and films were investigated by various analysis techniques including TEM, TEM-EDX and XRD will be discussed in the presentation.
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