Upcycled synthesis and extraction of carbon‐encapsulated iron carbide nanoparticles for gap Plasmon applications in perovskite solar cells
Source abstract
Abstract
Abstract An effective method for obtaining large amounts of metal nanoparticles (NPs) encapsulated by carbon layers through upcycling from floating‐catalyst aerosol chemical vapor‐deposited carbon nanotubes is demonstrated. NPs with diameters of less than 20 μm are selectively extracted from the synthesized carbon assortments through sonication, centrifugation, and filtration. The particles show an aggregation behavior owing to the π–π interaction between the graphitic carbon shells surrounding the iron carbides. By controlling the degree of the aggregation and arrangement, the light scattering by the gap‐surface plasmon effect in perovskite solar cells is maximized. Application of the NPs to the devices increased the power conversion efficiency from 19.71% to 21.15%. The short‐circuit current density (JSC) trend over the particle aggregation time accounts for the plasmonic effect. The devices show high stability analogue to the control devices, confirming that no metal‐ion migration took place thanks to the encapsulation. image
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Research context
OpenAlex topics: Perovskite Materials and Applications · Organic Light-Emitting Diodes Research · Organic Electronics and Photovoltaics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Nano Engineering, Department of Nano Science and Technology, SKKU Advanced Institute of Nanotechnology (SAINT) Sungkyunkwan University (SKKU) Suwon Republic of Korea
Department of Applied Physics School of Science Aalto University Aalto Finland
School of Nano Convergence Technology Hallym University Chuncheon Gangwon‐do Republic of Korea
School of Chemical and Biological Engineering, and Institute of Chemical Processes Seoul National University Seoul Republic of Korea
Institute of Advanced Composite Materials Korea Institute of Science and Technology (KIST) Jeollabuk‐do Republic of Korea
SKKU Institute of Energy Science & Technology (SIEST) Sungkyunkwan University Suwon South Korea
Department of Materials Science and Engineering Pusan National University Busan Republic of Korea
Department of Nano Fusion Technology Pusan National University Busan Republic of Korea
Department of Materials Science and Engineering Kookmin University Seoul Republic of Korea
Funding
National Research Foundation
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