Low temperature fabrication of hybrid solar cells using co-sensitizer of perovskite and lead sulfide nanoparticles |
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| Affiliation: | 1. Department of Materials Science and Engineering, Korea University, Seongbuk-gu, Anam-ro 145, Seoul 02841, South Korea;2. School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon, Kyunggi-do 16419, South Korea;3. SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, Kyunggi-do 16419, South Korea;4. Samsung Advanced Institute for Health Sciences & Technology (SAIHST), Sungkyunkwan University, Suwon, Kyunggi-do 16419, South Korea;1. Academy of Opto-electric Technology, Special Display and Imaging Technology Innovation Center of Anhui Province, Hefei University of Technology, Hefei 230009, China;2. School of Electronic Science & Applied Physics, Hefei University of Technology, Hefei 230009, China;3. Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, 596 Yinhe Road, Shuangliu, Chengdu 610200, China;1. Centro de Investigaciones en Optica, A.P. 1-948, Leon, Gto 37150, Mexico;2. Universidad Michoacana de San Nicolas de Hidalgo, Cuidad Universitaria, Morelia 58030, Mexico;3. Facultad de Ingeniería Mecánica y Eléctrica, UANL, San Nicolás de los Garza, Nuevo León 66451, Mexico;4. Universidad De La Salle Bajio, Campus Campestre, Leon, Gto 37150, Mexico;1. Solar Energy Research Institute, National University of Malaysia, 43600 Bangi, Selangor Darul Ehsan, Malaysia;2. Cahams Research Consultant, 74B Taman Sri Langat, 43000 Kajang, Malaysia;1. Department of Materials Science and Engineering, University of Washington, Seattle, WA, 98195, USA;2. Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan, 430074, China;3. Department of Materials Science, City University of Hong Kong, Kowloon, Hong Kong |
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| Abstract: | Our cost-effective approach for hybridizing methylammonium lead iodide and PbS nanoparticles at low temperature (≤100 °C) for photovoltaic devices is introduced. As employed into a perovskite based solar cell platform, effects of PbS on the device performance were investigated. Through experimental observations under simulated air-mass 1.5G illumination (irradiation intensity of 100 mWcm?2), the efficiency of a perovskite:PbS device is 11% higher than that of a pristine perovskite solar cell under the same fabrication conditions as a result of the broadened absorption range in the infrared region. The highest photovoltaic performance was observed at a PbS concentration of 2% with an open-circuit voltage, short-circuit current density, fill factor, and power-conversion efficiency of 0.557 V, 22.841 mA cm?2, 0.55, and 6.99%, respectively. Furthermore, PbS NPs could induce hydrophobic modification of the perovskite surface, leading to an improvement of the device stability in the air. Finally, the low-temperature and cost-effective fabrication process of the hybrid solar cells is a good premise for developing flexible/stretchable cells as well as future optoelectronic devices. |
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| Keywords: | Perovskite PbS nanoparticles Methylammonium lead iodide Solar cell Co-sensitizer Low temperature |
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