Plasmonics have been recognized as a promising platform that may premise the performance enhancement of diverse optoelectronics. Plasmonic effects have been proposed as a solution to overcome the limited light absorption in thin-film photovoltaic devices, and various types of plasmonic solar cells have been developed. We first provide a comprehensive overview of the state-of-the-art progress on the design and fabrication of plasmonic solar cells and their enhancement mechanism. It is noted that a universal paradigm to construct high-efficiency plasmonic solar cells with long term stability has not been established. Here, we propose a few strategies to develop viable plasmonic dye-sensitized solar cells and organic photovoltaic devices based on the integration of metal-graphene oxide core-shell nanostructures or lithographically-induced plasmonic nanopatterns.
Very recently metal halide perovskites have been attractive as solar energy harvesters due to efficient ambipolar transport and strong light absorption. Metal halide perovskites have rapidly advanced thin film optoelectronic performance. We find that intercalation of larger alkylammonium between perovskite layers introduces quantitatively appreciable van der Waals interactions and drives improved material stability. Continuous tuning of the dimensionality, as assessed using photophysical studies, is achieved by the choice of stoichiometry in materials synthesis. We achieve the first certified hysteresis-free solar power conversion in a planar perovskite solar cell, obtaining a 15.3% certified PCE, and observe greatly improved performance longevity. The quasi-2D perovskites were also employed to develop limiting emitting diodes with the most bright and highest EQE. Lastly, combining the advance of plasmonic coupling and reduced-dimensionality perovskites, here we report plasmon-enhanced perovskites optoelectronic devices with a focus on thin-film photodectors and photovoltaic devices.
Dong Ha Kim, "What we can have in common from plasmonic and perovskite nanostructures (Conference Presentation)," Proc. SPIE 10529, Organic Photonic Materials and Devices XX, 105290P (Presented at SPIE OPTO: February 01, 2018; Published: 15 March 2018); https://doi.org/10.1117/12.2285941.5752209021001.
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