Scalable Heating-Up Synthesis of Monodisperse Cu2ZnSnS4 Nanocrystals

Monodisperse CuZnSnS (CZTS) nanocrystals (NCs), with quasi-spherical shape, were prepared by a facile, high-yield, scalable, and high-concentration heat-up procedure. The key parameters to minimize the NC size distribution were efficient mixing and heat transfer in the reaction mixture through inten...

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Detalles Bibliográficos
Autores: Shavel, Alexey|||0000-0002-3995-0391, Ibáñez, Maria|||0000-0001-5013-2843, Luo, Zhishan|||0000-0002-0801-9238, De Roo, Jonathan, Carrete, Alex, Dimitrievska, Mirjana|||0000-0002-9439-1019, Genç, Aziz|||0000-0002-2888-2549, Meyns, Michaela|||0000-0003-2476-9001, Pérez-Rodríguez, Alejandro, Kovalenko, Maksym V.|||0000-0002-6396-8938, Arbiol i Cobos, Jordi|||0000-0002-0695-1726, Cabot i Codina, Andreu|||0000-0002-7533-3251
Tipo de recurso: artículo
Fecha de publicación:2016
País:España
Institución:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:ddd.uab.cat:195661
Acceso en línea:https://ddd.uab.cat/record/195661
https://dx.doi.org/urn:doi:10.1021/acs.chemmater.5b03417
Access Level:acceso abierto
Palabra clave:Heating ramps
High yield
Improved controls
Mono-disperse
Nanocrystal (NCs)
Reaction mixture
Spherical shape
Synthetic conditions
Descripción
Sumario:Monodisperse CuZnSnS (CZTS) nanocrystals (NCs), with quasi-spherical shape, were prepared by a facile, high-yield, scalable, and high-concentration heat-up procedure. The key parameters to minimize the NC size distribution were efficient mixing and heat transfer in the reaction mixture through intensive argon bubbling and improved control of the heating ramp stability. Optimized synthetic conditions allowed the production of several grams of highly monodisperse CZTS NCs per batch, with up to 5wt% concentration in a crude solution and a yield above 90%.

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