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11 January 2023 Looking inside conjugated polymer nanoparticles: linking in situ rotational diffusion to intra-particle polymer chain organisation
Gareth Redmond
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Proceedings Volume 12336, Frontiers in Luminescent Organic Semiconductor Materials and Devices; 123360B (2023) https://doi.org/10.1117/12.2645102
Event: SPIE Photonex, 2022, Birmingham, United Kingdom
Abstract
Conjugated polymer nanoparticles are interesting nanomaterials with synthesis- and process-tunable optical properties that underpin applications in biology, catalysis, and the use of colloidal NP inks in flexible photovoltaic devices. Given the technological value of manipulation of polymer chain conformation and packing in (opto-) electronic devices, a question arises as to the extent of polymer chain ordering that may exist (and be monitored or controlled) within these fundamental building blocks. To address this challenge, we employ combined synthesis and optical spectroscopy methods to study the internal structure of polyfluorene nanoparticles in aqueous dispersions and establish useful structure-property relationships.
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Gareth Redmond "Looking inside conjugated polymer nanoparticles: linking in situ rotational diffusion to intra-particle polymer chain organisation", Proc. SPIE 12336, Frontiers in Luminescent Organic Semiconductor Materials and Devices, 123360B (11 January 2023); https://doi.org/10.1117/12.2645102
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KEYWORDS
Nanoparticles
Polymers
Fluorescence correlation spectroscopy
Diffusion
Anisotropy
Optical alignment
Absorption
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