Controlling crystallisation with audible low frequency sound

Yasmin C. S. Figueiredo; Thiago G. Tabuti; Thaisa B. F. Moraes; Julian Ticona-Chambi; Rafael G. Candido; Silvia L. Cuffini; Marcelo S. Martins; Walter L. M. Tupinambá; Eduardo R. Triboni; Jonathan W. Steed

doi:10.1039/D5CC04356E

Controlling crystallisation with audible low frequency sound

Yasmin C. S. Figueiredo,^a Thiago G. Tabuti,^a Thaisa B. F. Moraes,^a Julian Ticona-Chambi,

^b Rafael G. Candido,^a Silvia L. Cuffini,^b Marcelo S. Martins,

^d Walter L. M. Tupinambá,^d Eduardo R. Triboni

*^a and Jonathan W. Steed

*^c

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* Corresponding authors

^a Laboratório Nanotecnologia e Engenharia de Processos-- NEP, Universidade de São Paulo, CEP 12602-810, Lorena, SP, Brazil
E-mail: tribonier@up.br

^b Pós-graduação em Engenharia e Ciência de Materiais, Instituto de Ciência e Tecnologia (ICT), Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil

^c Department of Chemistry, Durham University, South Road, Durham DH1 3LE, UK
E-mail: jon.steed@durham.ac.uk

^d Departamento de Mecânica – Laboratório de Estruturas, Universidade Estadual Paulista, UNESP/FEG – Campus de Guaratinguetá, Brazil

Abstract

We show that low-frequency audible sound drives the crystallisation of distinct solid forms of organic compounds in solution crystallisation. In contrast to silent crystallisation, ROY and anthranilic acid crystallized as distinct polymorphs, concomitant forms, and with novel morphologies resulting in preferred orientation depending on the sound frequency and amplitude.

Chemical Communications

Controlling crystallisation with audible low frequency sound

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