Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/1739
Title: Synthesis and application of colloidal CdS quantum dots as interface modification material in perovskite solar cells
Authors: Yenel, Esma
Keywords: Colloidal Cds Quantum Dots
Perovskite Solar Cells
Low-Temperature
Performance
Layer
Issue Date: 2021
Publisher: Scientific Technical Research Council Turkey-Tubitak
Abstract: In this study, colloidal CdS quantum dots were synthesized, structurally characterized, and their effect on performance of perovskite solar cells was observed by using them as interface modification agent between TiO2/perovskite. Colloidal CdS quantum dots were synthesized based on two-phase method and characterized by X-ray diffraction and Transmission Electron Microscopy techniques. The average particle size of CdS quantum dots have found to be around 5 nm. Oleic acid was used as capping agent during synthesis to lead solubility in organic solvents. Obtained quantum dots are coated on compact TiO2 layer for surface modification. A decrease was observed when oleic acid capped CdS quantum dots were used at interface, while significant improvement was observed when ligand exchange was carried out by pyridine before perovskite layer. Reference solar cells showed 11.6% efficiency, while pyridine capped CdS modified solar cells' efficiency was 13.2%. Besides the improvement in efficiency, reproducibility of solar cells also was increased by using pyridine capped CdS as interface material.
URI: https://doi.org/10.3906/kim-2107-2
https://hdl.handle.net/20.500.13091/1739
ISSN: 1300-0527
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
Teknik Bilimler Meslek Yüksekokulu Koleskiyonu
TR Dizin İndeksli Yayınlar Koleksiyonu / TR Dizin Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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