Dual Interfacial Tin-Oxide Layer with Chloride Salt for High-Performance and Durable Perovskite Solar Cells
Source abstract
Abstract
High Resolution Image Download MS PowerPoint Slide A tailored SnO 2 layer using double electron transport layers (ETLs) was designed to overcome interfacial energy barriers, enhance charge transport, and decrease charge recombination at the perovskite/ETL interfaces. Through this dual interfacial engineering approach, compact SnO 2 layers with an ideal interfacial energy-level alignment were prepared using SnCl 2 and NH 4 Cl salts, leading to efficient charge extraction. Stable perovskite solar cells with a power conversion efficiency of 21.46%, a high open-circuit voltage of 1.10 V, and a fill factor of 0.79 were successfully achieved using this approach. The devices also exhibited negligible hysteresis and no significant efficiency loss after a 2400 h stability test at ambient conditions without encapsulation. These results demonstrate an efficient approach to achieving high-quality ETL layers for efficient and stable solar cells.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Perovskite Materials and Applications · Chalcogenide Semiconductor Thin Films · Quantum Dots Synthesis And Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Pathum Thani 12120, Thailand
Synchrotron Light Research Institute, 111 University Avenue, Muang District, Nakhon Ratchasima 30000, Thailand
Nanoscience and Nanotechnology Graduate Program, Faculty of Science, King Mongkut’s University of Technology Thonburi, Bangkok 10140, Thailand
Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
Thailand Center of Excellence in Physics (ThEP Center), Ministry of Higher Education, Science, Research and Innovation, Bangkok 10400, Thailand
Funding
National Science and Technology Development Agency · Energy Regulatory Commission of Thailand · Program Management Unit for Human Resources & Institutional Development, Research and Innovation
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