Arsenic and Chlorine Co-Doping to CH3NH3PbI3 Perovskite Solar Cells
| Autor: | Misaki Fukaya, Yasuhiro Shirahata, Yuya Ohishi, Takeo Oku, Tsuyoshi Hamatani |
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| Rok vydání: | 2017 |
| Předmět: |
010302 applied physics
Scanning electron microscope Band gap Inorganic chemistry Doping General Engineering chemistry.chemical_element 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences law.invention chemistry law 0103 physical sciences Solar cell Chlorine 0210 nano-technology Mesoporous material Arsenic Perovskite (structure) |
| Zdroj: | Advances in Materials Physics and Chemistry. :1-10 |
| ISSN: | 2162-5328 2162-531X |
| DOI: | 10.4236/ampc.2017.71001 |
| Popis: | Arsenic (As) and chlorine (Cl) were co-doped to CH3NH3PbI3 perovskite solar cells, and the photovoltaic properties were investigated. AsI3 and NH4Cl were added to perovskite precursor solution, which were deposited on mesoporous TiO2 by a spin-coating combining an air flow method. Current density-voltage characteristics and incident photon-to-current conversion efficiencies were improved by the co-doping of As and Cl to the perovskite phase, which also indicated an energy gap of 1.57 eV. X-ray diffraction showed suppression of PbI2 formation by the AsI3 addition. The structure analysis by scanning electron microscopy indicated formation of a homogeneous microstructure by adding AsI3 with NH4Cl, which would result in the improvement of the photovoltaic properties. |
| Databáze: | OpenAIRE |
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