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

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Enhancing dye-sensitized solar cell efficiency through broadband near-infrared upconverting nanoparticles. Dyes Search for additional papers on this topic.

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Reproduced material should be attributed as follows: Previous Article Next Article. Allen Chang Nanotheranostics Yb,Er nanoparticles in which the upconversion occurs. Invisible ink Block upconverter Infrared Rays. About the author Sidney J.


Chanchal Hazra received his B. 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.

Showing of 33 references. Plasmonic enhanced emissions from cubic NaYF near-intrared Near-infrared light-mediated rare-earth nanocrystals: Please enable JavaScript to access the full features of the site or access our non-JavaScript page. Ribeiro in the same institute. Demopoulos Advanced materials If you are not the author of this article and you wish to reproduce material from it in a third party non-RSC publication you must formally request permission using Copyright Clearance Center. Skip to search form Skip to main content.

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Go to our Instructions for using Copyright Clearance Center page for details. The overall upconversion by the dye-sensitized nanoparticles is dramatically enhanced by a factor of? For reproduction of material from all near–infrared RSC journals and books: About the author Dr. However, users may print, download, or email articles for individual use.

Absolute quantum yield measurements of colloidal NaYF4: References Publications referenced by this paper.

Microscale optoelectronic infrared-to-visible upconversion devices and their use as injectable light sources. Copyright of Nature Photonics is the property of Springer Nature and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder’s express written permission.


Supplementary information PDF K. Enhanced near-infrared response of a-Si: 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.

This abstract may be abridged. The proposed concept can be extended to cover any part of the solar spectrum by using a set of dye molecules with overlapping absorption spectra acting as an extremely broadband antenna system, connected to suitable upconverters. Citations Publications citing this paper.

Broadband dye-sensitized upconversion of near-infrared light.

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