研究目的
Investigating the universal benefits and common factors that influence both PeSCs and OSCs as a result of changes in Al-doped TiO2 properties.
研究成果
Al-doped TiO2 as an EEL enhances the performance of PeSCs and OSCs through surface smoothing and bandgap widening, leading to improved charge carrier transport and reduced activation energy.
研究不足
The study focuses on Al-doped TiO2 and its effects on PeSCs and OSCs, potentially limiting the generalizability to other doping materials or solar cell types.
1：Experimental Design and Method Selection:
The study involved fabricating an electron extraction layer (EEL) with Al-doped TiO2 in PeSCs and OSCs to enhance photovoltaic properties.
2：Sample Selection and Data Sources:
The samples included PeSCs based on MAPbI3-xClx and OSCs based on the PTB7:PC70BM system.
3：List of Experimental Equipment and Materials:
Instruments used included XRD, HRTEM, SEM, AFM, and a solar simulator. Materials included methyl ammonium iodide, titanium (IV) butoxide, and aluminum (III) nitrate nonahydrate.
4：Experimental Procedures and Operational Workflow:
The TiO2 layer was spin-coated and calcined, followed by the fabrication of PeSCs and OSCs.
5：Data Analysis Methods:
The study analyzed photovoltaic parameters, PL spectra, and impedance spectroscopy.
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X-ray diffractometer
New D8 Advance
Used for XRD measurements to study the structural properties of Al-doped and pristine TiO2 films.
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Atomic Force Microscope
XE-100
Park systems
Used for morphology study of the samples.
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Field Emission SEM
Zeiss Supra 55VP
Used for morphology study of the samples.
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HRTEM
JEM-3010 electron microscope
Used for high-resolution transmission electron microscopy of the samples.
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Solar simulator
Newport 91160A
Used for measuring current density–voltage characteristics under AM 1.5 G light.
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Temperature controller
Lake Shore Cryotronics 331
Used for controlling the temperature during measurements.
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