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High Performance Organometal Halide Perovskite Solar Cell Prepared by Controlling Solvent Evaporation
- Author(s)
- MD. MEHEDI HASAN
- Advisor
- Hyung-Taek Kim
- Department
- 일반대학원 에너지시스템학과
- Publisher
- The Graduate School, Ajou University
- Publication Year
- 2015-08
- Language
- eng
- Keyword
- Perovskite; Hybrid solar cell; Energy materials.
- Alternative Abstract
- As a serious raising candidate, the Organo-metal halide Perovskite (MAPbX3: X=I,Cl,Br) solar cells are become greater promising for thin film photovoltaic with power conversion efficiencies 20% has already exceed. On account of higher power conversion efficiency, the hybrid Perovskite materials came into sight particularly promising for future solar cell. Due to organic base materials solar cell, to date the highest efficiencies have been obtained mainly lead halide base hybrid Perovskite materials by using various methodologies. Here, we reported printed based Perovskite solar cells with voltage, current density, fill factor and efficiency are 0.985V, 22.305 mA/cm2, 62.5% and 13.72% respectively which achieved at forward scan. This was enabled by the growth of CH3NH3PbI3 layer with a controlled morphology via a Methyl Ammonium Iodide solution by controlling the solvent evaporation. Printing of a solution of CH3NH3I with different concentrations follows the spin-coating of PbI2 where crystal growth and the morphology of CH3NH3PbI3 is found to strongly depend on the different temperature and solvent evaporation time. Overall, we achieved from methyl ammonium Iodide printed perovskite solar cell the average power conversion efficiency 14.89% with a photocurrent density of 22.2645 mA/cm2, open circuit voltage 0.9875V and fill factor about 67% under a standard illumination of 100mW per square centimeter. Further improvement is expected for this material by applying printed method for controlling the solvent evaporation in terms of understanding charge build up and transport properties of printed devices. Organo-lead halide perovskite is now concern as a fast promoted, leading and great potential solar cell material and a beginning new window in solar cell research.
- Fulltext
- Appears in Collections:
- Graduate School of Ajou University > Department of Energy Systems > 3. Theses(Master)
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