Phosphinecarboxamide based InZnP QDs – an air tolerant route to luminescent III–V semiconductors

Yi Wang; Jack Howley; Erica N. Faria; Chen Huang; Sadie Carter-Searjeant; Simon Fairclough; Angus Kirkland; Jason J. Davis; Falak Naz; Muhammad Tariq Sajjad; Jose M. Goicoechea; Mark Green

doi:10.1039/D3NH00162H

Phosphinecarboxamide based InZnP QDs – an air tolerant route to luminescent III–V semiconductors†

Yi Wang,^a Jack Howley,^b Erica N. Faria,^b Chen Huang,^cd Sadie Carter-Searjeant,^a Simon Fairclough,^e Angus Kirkland,^cd Jason J. Davis,

^g Falak Naz,^f Muhammad Tariq Sajjad,

^f Jose M. Goicoechea*^h and Mark Green

*^a

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* Corresponding authors

^a Department of Physics, King's College London, The Strand, London, UK
E-mail: mark.a.green@kcl.ac.uk

^b Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford, UK

^c Department of Materials, University of Oxford, Parks Road, Oxford, UK

^d Electron Physical Sciences Imaging Centre, Diamond Light Source, Harwell Science Innovation Campus. Fermi Ave, Didcot, UK

^e Department of Materials Science and Metallurgy, University of Cambridge, 27 Charles Babbage Road, Cambridge, UK

^f London Centre for Energy Engineering (LCEE), School of Engineering, London South Bank University, 103 Borough Road, London, UK

^g Physical and Theoretical Chemistry Laboratory, South Parks Road, Oxford, UK

^h Department of Chemistry, Indiana University, 800 E. Kirkwood Ave., Bloomington, IN, USA
E-mail: jgoicoec@iu.edu

Abstract

We describe a new synthetic methodology for the preparation of high quality, emission tuneable InP-based quantum dots (QDs) using a solid, air- and moisture-tolerant primary phosphine as a group-V precursor. This presents a significantly simpler synthetic pathway compared to the state-of-the-art precursors currently employed in phosphide quantum dot synthesis which are volatile, dangerous and air-sensitive, e.g. P(Si(CH₃)₃)₃.

This article is part of the themed collections: Nanoscale and Nanoscale Horizons: Nanophotonics, Nanoscale Horizons Most Popular 2023 Articles, Quantum Dots: Celebrating the 2023 Nobel Prize in Chemistry and Nanoscale and Nanoscale Horizons: Nanoparticle Synthesis

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Phosphinecarboxamide based InZnP QDs – an air tolerant route to luminescent III–V semiconductors†

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