研究目的
To develop a simple synthetic strategy to fabricate nanorod microstructure for the PEC cell performance, focusing on the time-dependent hydrothermal evolution of TiO2 nanorod microstructure.
研究成果
The study successfully demonstrated a simple and low-cost synthesis method for TiO2 thin films with well-aligned nanorod morphology using a single-step hydrothermal synthesis. The PEC measurements showed that TiO2 thin films had a maximum photoelectrochemical efficiency of 5.10%, attributed to stronger light scattering effects, faster electron transportation, and electrolyte diffusion in nanorod samples.
研究不足
The study focuses on the hydrothermal synthesis of TiO2 nanorods and their PEC applications, with limitations including the specific reaction conditions (temperature, time) and the use of FTO substrates.
1：Experimental Design and Method Selection:
Hydrothermal synthesis of TiO2 nanorods on TCO substrates at 160°C for varying reaction times (2 h to 8 h).
2：Sample Selection and Data Sources:
Fluorine doped tin oxide (FTO) coated glass substrates used as conducting substrate support.
3：List of Experimental Equipment and Materials:
Titanium tetraisopropoxide (TTIP), hydrochloric acid (HCl), UV-Vis-NIR spectrophotometer, FESEM, TEM, EDAX, XPS.
4：Experimental Procedures and Operational Workflow:
Preparation of TiO2 thin films via hydrothermal method, characterization of structural, optical, morphological, compositional, and PEC properties.
5：Data Analysis Methods:
XRD for crystal structure, UV-Vis-NIR for optical properties, FESEM and TEM for morphology, EDAX and XPS for composition, PEC studies for performance.
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