Issue 46, 2022

Colloidal synthesis of 1-D van der Waals material Nb2Se9: study of synergism of coordinating agent in a co-solvent system

Abstract

Low-dimensional Nb2Se9 nanocrystals were synthesised through a simple one-pot colloidal synthesis with C18 organic solvents (octadecane, oleylalcohol, octadecanethiol, octadecene (ODE), and oleylamine (OLA)) of varied terminal functional groups. The solvent with high reducing power facilitated the nucleation of the nanoparticle, lowering threshold concentration and broadening the concentration spectrum. As a solvent, reducing agent, and capping agent, ODE functions as a primary factor in the synthesis of high-quality Nb2Se9 nanorods. We further discuss the unique adhesion role of ODE under the co-solvent system and demonstrate morphology control through synergism between ODE and OLA, verified by the electrochemical measurements.

Graphical abstract: Colloidal synthesis of 1-D van der Waals material Nb2Se9: study of synergism of coordinating agent in a co-solvent system

Supplementary files

Article information

Article type
Paper
Submitted
18 Aug 2022
Accepted
13 Nov 2022
First published
14 Nov 2022

Nanoscale, 2022,14, 17365-17371

Colloidal synthesis of 1-D van der Waals material Nb2Se9: study of synergism of coordinating agent in a co-solvent system

T. Y. Kim, C. Woo, K. H. Choi, X. Dong, J. Jeon, J. Ahn, X. Zhang, J. Kang, H. Oh, H. K. Yu and J. Choi, Nanoscale, 2022, 14, 17365 DOI: 10.1039/D2NR04513C

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