期刊
RESULTS IN CHEMISTRY
卷 5, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.rechem.2023.100835
关键词
Anatase TiO (2) nanospheres; Ag-TiO (2) NS photoanode; Dye -sensitized solar cell; Plasmonic effect; Photovoltaic performance
Silver (Ag) loaded TiO2 nanospheres (Ag-TiO2 NS) were synthesized and characterized. The Ag-TiO2 NS exhibited strong light absorption and better dye adsorption. The DSSC with 2 wt% loaded Ag-TiO2 NS photoanode showed significantly improved performance due to visible light harvesting and fast photogenerated electrons transfer facilitated by the plasmonic Ag.
Silver (Ag) loaded TiO2 nanospheres (Ag-TiO2 NS) are synthesized by a combination of solvothermal and chemical reduction routes and characterized by FESEM, HRTEM, EDAX, UV-Vis DRS, XRD and PL techniques. The Ag-TiO2 NS have exhibited strong light absorption and better dye adsorption. The dye-sensitized solar cell (DSSC) performance of pristine TiO2 NS and Ag-TiO2 NS photoanodes is examined under artificial light illumination. The DSSC with 2 wt% loaded Ag-TiO2 NS photoanode has delivered PCE of 6.04 % with short-circuit photocurrent density of 13.56 mA cm(-2) and open circuit voltage of 0.75 V that is similar to 43 % greater over the PCE of DSSC containing pristine TiO2 NS photoanode (4.16 %). This boosted performance can be accredited to visible light harvesting and fast photogenerated electrons transfer facilitated by the plasmonic Ag.
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