Shutt, Rebecca RC;
Ramireddy, Thrinathreddy;
Stylianidis, Evgenios;
Di Mino, Camilla;
Ingle, Rebecca A;
Ing, Gabriel;
Wibowo, Ary A;
... Clancy, Adam; + view all
(2023)
Synthesis of Black Phosphorene Quantum Dots from Red Phosphorus.
Chemistry - A European Journal
, 29
(55)
, Article e202301232. 10.1002/chem.202301232.
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Abstract
Phosphorene quantum dots (PQDs) are most commonly derived from high-cost black phosphorus, while previous syntheses from the low-cost red phosphorus (Pred) allotrope are highly oxidised. Herein, we present an intrinsically scalable method to producing high quality PQDs, by first ball-milling Pred to create nanocrystalline Pblack and subsequent reductive etching using lithium electride solvated in liquid ammonia. The resultant ~25 nm PQDs are crystalline with low oxygen content, and spontaneously soluble as individualized monolayers in tertiary amide solvents, as directly imaged by liquid-phase transmission electron microscopy. This new method presents a scalable route to producing quantities of high quality PQDs for academic and industrial applications.
| Type: | Article |
|---|---|
| Title: | Synthesis of Black Phosphorene Quantum Dots from Red Phosphorus |
| Location: | Germany |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1002/chem.202301232 |
| Publisher version: | https://doi.org/10.1002/chem.202301232 |
| Language: | English |
| Additional information: | Copyright © 2023 The Authors. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
| Keywords: | BPQDs, LP-TEM, Liquid-phase TEM, PQDs, Phosphorene Quantum Dots |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10175120 |
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