研究目的
Investigating the integration of antireflective anatase TiO2 nanowire arrays and CH3NH3PbI3 microcuboid film into a new bilayer architecture for enhanced light harvesting in perovskite solar cells.
研究成果
The integration of antireflective TNW and CMC into a 3D hybrid electrode significantly enhances light harvesting and charge collection in PSCs, achieving a PCE of 20.1%. This approach offers a promising pathway for improving the performance of optoelectronic devices.
研究不足
The study focuses on the integration of TNW and CMC for light harvesting in PSCs, but the scalability and long-term stability of the devices under operational conditions were not extensively explored.
1：Experimental Design and Method Selection:
The study employed a hydrothermal approach for the preparation of 1D anatase TNW on FTO glass substrates and a sequential deposition technique for the perovskite film.
2：Sample Selection and Data Sources:
The samples were prepared with different amounts of potassium titanium oxide oxalate dihydrate (PTO) to control the porosity and film thickness of TNW.
3：List of Experimental Equipment and Materials:
FTO glass, PTO, DEG, PbI2, MAI, IPA, CBZ, spiro-MeOTAD, Au.
4：Experimental Procedures and Operational Workflow:
The TNW films were hydrothermally grown on FTO glass, followed by the deposition of CH3NH3PbI3 via a sequential deposition method. The devices were completed with spiro-MeOTAD and Au layers.
5：Data Analysis Methods:
The morphology was observed using FE-SEM, crystal structures by XRD, and optical properties by UV-vis-NIR spectrometer. Photovoltaic performance was evaluated using a solar simulator and Keithley 2400 source meter.
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