High Charge Carrier Mobility in Porphyrin Nanoribbons

20 September 2024, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Polydisperse edge-fused nickel(II) porphyrin nanoribbons have been synthesized by Yamamoto coupling followed by gold(III)-mediated fusion, with average degrees of polymerization of up to 37 repeat units (length 31 nm). Time-resolved optical-pump terahertz spectroscopy measurements indicate that photo-generated charge carriers have dc mobilities of up to 205 cm2 V–1 s–1 in these nanoribbons, exceeding the values previously reported for most other types of nanoribbon or π-conjugated polymer.

Keywords

porphyrin
polymer
high charge carrier mobility
low bandgap
time-resolved spectroscopy

Supplementary materials

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Description
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Supporting Information
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Experimental synthetic procedures, spectra and characterization data
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