Journal
COORDINATION CHEMISTRY REVIEWS
Volume 436, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2021.213805
Keywords
Upconversion nanoparticles; Dye-sensitized solar cells; Photocurrent; Lanthanides; Near-infrared; Visible light
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Funding
- National Plan for Science, Technology, and Innovation (MAARIFAH), King Abdulaziz City for Science and Technology, Kingdom of Saudi Arabia [2-1701-001-0036]
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The article discusses the application of UCNPs in DSSCs, including energy transfer, morphology, crystal structure, coupling, and ways to increase photovoltaic current. The factors influencing emission efficiency and photovoltaic current are also explained. Additionally, it is proposed that UCNPs and their surface functionalities significantly enhance photovoltaic current, offering a beneficial guide for the use of lanthanide-doped UCNPs in material synthesis and optoelectronic system construction.
Highly photochemically and thermally stable upconversion nanoparticles (UCNPs) have shown their uses in photovoltaic dye-sensitized solar cells (DSSCs). Lanthanide-based UCNPs exhibited tunable absorption in the near-infrared (NIR) range and have a strong ability to transfer from the higher wavelength (NIR light) photons into lower wavelength photons (visible light) over UC procedure. Here, we comprehensively discussed the emerging application of UCNPs in DSSCs. We try to clarify the critical physical concepts that the UCNPs efficiently achieve the transfer of energy. The morphology, crystal structure, and coupling with plasmonic NPs, graphene, and mesoporous TiO2 shell greatly affect the total power transformation efficiency performance of the DSSCs. 1D nanostructures such as rods, tubes, and fibers significantly boost the efficiency of charge collection by providing DSSCs with direct transport pathways. Furthermore, a high specific surface area with a mesoporous structure greatly increases dye loading that increases the photovoltaic current performance. Additionally, we explain the various factors which influence the emission efficiency as well as the photovoltaic current of the fabricated cells. We discussed and explain the various host lattice along with their synthesis and physiochemical characteristics used for the fabrication of effective DSSCs. Here, we proposed the UCNPs and their surface functionalities greatly improve the photovoltaic current and their recent development in the designed DSSCs device. This analysis also offers an advantageous guide focused on lanthanide-doped UCNPs for material synthesis and optoelectronic system construction. The analysis concludes by evaluating the parameters of electron transport for J(sc), V-oc, FF, and power conversion efficiency (eta). The light-harvesting efficiency of UCNPs-based DSSCs can be increased considering the electron transport properties. (C) 2021 Elsevier B.V. All rights reserved.
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