التفاصيل البيبلوغرافية
| العنوان: |
Enhanced Structural, Optical, and photovoltaic properties of Sm-Doped MAPbI2Br perovskite solar cells |
| المؤلفون: |
M.I. Khan, Saddam Hussain, M. Atif, M.S. Hasan, Manuel J. Pellegrini-Cervantes, Margarita Rodríguez-Rodríguez |
| المصدر: |
Results in Chemistry, Vol 12, Iss , Pp 101875- (2024) |
| بيانات النشر: |
Elsevier, 2024. |
| سنة النشر: |
2024 |
| المجموعة: |
LCC:Chemistry |
| مصطلحات موضوعية: |
Sm2+ doping, MAPbI2Br, Perovskite solar cells, Band gap energy, Chemistry, QD1-999 |
| الوصف: |
Samarium-enhanced methylammonium lead iodide bromide (Sm-MAPbI2Br) thin films were applied onto FTO-glass substrates. X-ray diffraction (XRD) analysis revealed an enlargement in grain size to 29.09 nm, a decrease in dislocation line density to 4.32 x 1015 m−2, an expansion in d-spacing to 5.18 Å, a reduction in lattice constant to 1.59 Å, and a diminished volume in the cubic crystal lattice of MAPbI2Br. The incorporation of Sm2+ ions resulted in a narrowed band gap energy (1.95 eV), an augmented refractive index (2.65), and a decreased extinction coefficient (2.24). The solar cell constructed with a 5 % Sm2+ doping level demonstrated an enhanced open-circuit voltage of 1.05 V, a notable increase in short-circuit current density to 9.87 mA/cm2, a fill factor of 0.80, and an elevated efficiency reaching 9.32 %. Comparative analyses suggest that the cell with 5 % Sm2+ doping experiences a lower rate of recombination compared to undoped MAPbI2Br-based cells. EIS is used to investigate enhanced charge transport in hybrid MAPbI2Br devices, emphasizing the impact of a Sm-doped thin layer on carrier dynamics. The robustness of the open-circuit voltage highlights the potential of layering MAPbI2Br in the development of highly efficient solar cells. |
| نوع الوثيقة: |
article |
| وصف الملف: |
electronic resource |
| اللغة: |
English |
| تدمد: |
2211-7156 |
| Relation: |
http://www.sciencedirect.com/science/article/pii/S221171562400571X; https://doaj.org/toc/2211-7156 |
| DOI: |
10.1016/j.rechem.2024.101875 |
| URL الوصول: |
https://doaj.org/article/df5d6c623e4c4d259fca563cb08d68a3 |
| رقم الانضمام: |
edsdoj.f5d6c623e4c4d259fca563cb08d68a3 |
| قاعدة البيانات: |
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