Transmogrifying the potential of [Gd-Ho-Dy]:CsPbI2Br1 energy: High performance heterosystem for sustainable energy applications
Journal of Energy Storage(2024)
摘要
Current work focuses the synthesis, characterization, and energy applications of the novel cesium based perovskite material doped with the triple lanthanides forming [Gd-Ho-Dy]:CsPbI2Br1 (GHD-CPVSK). Over the course of 28 days, GHD-CPVSK was marked by an excellent opto-electronic behavior with the band gap energies fluctuating between 1.84 and 1.95 eV. GHD-CPVSK was a remarkable hydrogen generation catalyst with lower overpotential and Tafel slope of 136 mV and 119.5 mV dec−1, respectively. O2 generation activity of the designed electro-catalysts expressed lower reaction kinetics. GHD-CPVSK also surpassed the reference electrode in terms of charge storage for battery applications reflected by the higher battery capacity of 654 mAh g−1 to that of 100 mAh g−1 for reference electrode. As a light harvester layer inside entirely ambient perovskite solar cell, GHD-CPVSK excelled over pristine absorber by gaining an efficiency of 16.75 % and 73.88 % fill factor with an impressive open circuit voltage of 1.19 V.
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关键词
Sustainable energy,Perovskite solar cells,Water splitting,Charge storage,Perovskite stability
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