Here, we introduce the concept of an upconversion material where an organic near-infrared dye is used as an antenna for the b-NaYF4:Yb,Er nanoparticles in. Efficient broadband upconversion of near‐infrared light is realized through multidimensional energy cascaded upconversion in dye‐sensitized. The inability to utilize near infrared (NIR) light has posed a stringent emissions through incorporated dye-sensitized upconversion nanoparticles (DSUCNPs).

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Enrichment of molecular antenna triplets amplifies upconverting nanoparticle emission David J. Showing of 33 references. Enhancing dye-sensitized solar cell efficiency through broadband near-infrared upconverting nanoparticles.

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References Publications referenced by this paper. Supplementary information PDF K. For reproduction of material from NJC: Invisible ink Block upconverter Infrared Rays. No warranty is given about the accuracy of the copy.

However, users may print, download, or email articles for individual use. Back to tab navigation. Such unique properties are at the core of the widespread applications of UCNPs in solar cells, security inks, biosensing, clinical applications and bioimaging both in vitro and in vivofor instance.


Previous Article Next Article. However, the practical applicability of the most efficient known upconversion materials at moderate light intensities is limited by their extremely weak and narrowband near-infrared absorption.

Broadband dye-sensitized upconversion of near-infrared light – Semantic Scholar

Enhanced near-infrared response of a-Si: Efficient near-infrared light-emitting diodes based on liquid PbSe quantum dots. Our strategy has immediate implications for the use of DSUCNPs to improve the performance of other types of photovoltaic devices. The inability to utilize near infrared NIR light has posed a stringent limitation for the efficiencies of most single-junction photovoltaic cells such as dye-sensitized solar cells DSSCs. Topics Discussed in This Paper. Guo-bin ShanGeorge P. Back to tab navigation Fetching data from CrossRef.

However, remote access to EBSCO’s databases from non-subscribing institutions is not allowed if the purpose of the use is for commercial gain through cost reduction or avoidance for a non-subscribing institution. The overall upconversion by the dye-sensitized nanoparticles is dramatically enhanced by a factor of?

About the author Sidney J. Recent advances in the application triplet — triplet annihilation-based photon upconversion systems to solar technologies Jacopo PedriniAngelo Monguzzi broadhand The proposed concept can be extended to cover any part of the solar upconversuon by using a set of dye molecules with overlapping absorption spectra acting as an extremely broadband antenna system, connected to suitable upconverters. Enhancement of silicon solar cell efficiency by upconversion: This abstract may be abridged.

Journal of Materials Chemistry C 6, Demopoulos Advanced materials We quantified that among the relative efficiency increase, 7.

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Broadband dye-sensitized upconversion of near-infrared light.

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Back to tab navigation Download options Please wait The authors have particularly focused on achieving strong NIR-I emission rather than visible upconversion emission as the latter suffers from limitations of shallow tissue penetration depth, which again is not beneficiary for biological applications.

The detailed mechanistic study by Prof. Please enable JavaScript to access the full features of the site or access our non-JavaScript page. To address these limitations, recently, enormous research input has been directed towards the development of NIR dye-sensitized UCNPs as they offer prominent advantages including a broader absorption range and enhanced upconversion efficiency. Ribeiro in the same institute.

Absolute quantum yield measurements of colloidal NaYF4: Jump to site search.