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Thiol-Anchored TIPS...
Thiol-Anchored TIPS-Tetracene Ligands with Quantitative Triplet Energy Transfer to PbS Quantum Dots and Improved Thermal Stability
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- Gray, Victor, Dr, 1988- (author)
- Uppsala universitet,Fysikalisk kemi,Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
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- Zhang, Zhilong (author)
- Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
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- Dowland, Simon (author)
- Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
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- Allardice, Jesse R. (author)
- Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
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- Alvertis, Antonios M. (author)
- Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
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- Xiao, James (author)
- Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
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- Greenham, Neil C. (author)
- Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
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- Anthony, John E. (author)
- Univ Kentucky, Ctr Appl Energy Res, 3572 Iron Works Pike, Lexington, KY 40511 USA.
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- Rao, Akshay (author)
- Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England.
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(creator_code:org_t)
- 2020-08-11
- 2020
- English.
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In: The Journal of Physical Chemistry Letters. - : AMER CHEMICAL SOC. - 1948-7185. ; 11:17, s. 7239-7244
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Abstract
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- Triplet energy transfer between inorganic quantum dots (QDs) and organic materials plays a fundamental role in many optoelectronic applications based on these nanocomposites. Attaching organic molecules to the QD as transmitter ligands has been shown to facilitate transfer both to and from QDs. Here we show that the often disregarded thiol anchoring group can achieve quantitative triplet energy transfer yields in a PbS QD system with 6,11-bis[(triisopropylsilyl)ethynyl]tetracene-2-methylthiol (TET-SH) ligands. We demonstrate efficient triplet transfer in a singlet fission-based photon multiplication system with 5,12-bis[(triisopropylsilyl)ethynyl]tetracene generating triplets in solution that transfer to the PbS QDs via the thiol ligand TET-SH. Importantly, we demonstrate the increased thermal stability of the PbS/TET-SH system, compared to the traditional carboxylic acid counterpart, allowing for higher photoluminescence quantum yields.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Gray, Victor, Dr ...
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Zhang, Zhilong
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Dowland, Simon
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Allardice, Jesse ...
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Alvertis, Antoni ...
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Xiao, James
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show more...
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Greenham, Neil C ...
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Anthony, John E.
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Rao, Akshay
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Physical Chemist ...
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The Journal of P ...
- By the university
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Uppsala University