研究目的
Investigating the synthesis of hierarchical flower-like TiO2 microspheres and their application in dye-sensitized solar cells to improve performance.
研究成果
The hierarchical flower-like TiO2 microspheres demonstrated superior performance in DSSCs due to their unique structure, which enhances light-scattering, dye absorption, and electron transport. This suggests their potential as efficient photoanode materials for solar energy utilization.
研究不足
The study focuses on the synthesis and application of TiO2 nanomaterials in DSSCs, with potential limitations in scalability and cost-effectiveness for industrial applications.
1：Experimental Design and Method Selection:
A simple hydrothermal process was used to synthesize TiO2 nanomaterials with different morphologies by controlling the dosage of Ti precursor.
2：Sample Selection and Data Sources:
Titanium isopropoxide (TTIP) was used as Ti resource, and the samples were characterized using SEM, TEM, SAED, FTIR, XRD, and BET surface area analysis.
3：List of Experimental Equipment and Materials:
SEM (HITACHI S-4800 N), TEM (JEOL JEM-2100F), FTIR (Nicolet 6700), XRD (PANalytical X’pert PRO), Autosorb iQ surface area analyzer (Quantachrome).
4：Experimental Procedures and Operational Workflow:
The synthesis involved a hydrothermal process, followed by washing, drying, and annealing. DSSCs were fabricated using the synthesized TiO2 nanomaterials.
5：Data Analysis Methods:
The performance of DSSCs was evaluated through photocurrent-voltage curves, UV-Vis absorption, and electrochemical impedance spectroscopy.
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