研究目的
Investigating the role of alkali metal ions in enhancing the performance of metal nanocluster-sensitized solar cells by improving power conversion efficiency and suppressing current?voltage hysteresis.
研究成果
The presence of AMIs during the sensitization process is crucial for achieving high power conversion efficiency and suppressing hysteretic J?V behavior in metal nanocluster-sensitized solar cells. The adsorption mode of NCs onto TiO2, influenced by AMIs, is a key factor in the photoelectrochemical performance of these solar cells.
研究不足
The study acknowledges that a more systematic investigation is required to fully understand the mechanism by which AMIs influence the adsorption mode of NCs onto TiO2 and the subsequent photoelectrochemical behavior.
1：Experimental Design and Method Selection:
The study involved the synthesis of thiolated Au nanoclusters (NCs) and their adsorption onto TiO2 in the presence of alkali metal ions (AMIs) to study their effect on solar cell performance.
2：Sample Selection and Data Sources:
Au22(SG)18 NCs were used as the light harvester, with variations in the presence of AMIs during the adsorption process.
3：List of Experimental Equipment and Materials:
Equipment included Fourier transform infrared (FT-IR) spectroscopy for analyzing the bonding between NCs and TiO
4：Experimental Procedures and Operational Workflow:
NCs were adsorbed onto TiO2 films with and without AMIs, followed by characterization of the solar cells' performance and stability.
5：Data Analysis Methods:
The performance of the solar cells was analyzed through current?voltage (J?V) measurements, and the interfacial recombination was studied using recombination resistance (Rr) and electron lifetime (τn) measurements.
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