Unzipping oyster shell

Ramiz Boulos, C. Harnagea, X. Duan, R.N. Lamb, F. Rosei, Colin Raston

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


A novel technique to extract nacre tablets (bricks) from molluskan shells using 'soft energy' ionic liquid based dissolution of the organic material (mortar) between the tablets rather than using high energy and potentially tablet-damaging ball milling processing has been developed. The tablets isolated from this 'unzipping' of the shell in the ionic liquid n-butyl-3- methylimidazolium hexafluorophosphate were structurally characterized using scanning electron microscopy (SEM), transmission electron microscopy (TEM) and atomic force microscopy (AFM). High resolution AFM combined with in situ SEM shows nanoparticles of calcium carbonate approximately 4-5 nm in diameter present at the interface between multiple tablets of pearl nacre where there is incomplete dissolution of the mortar in the ionic liquid. © 2013 The Royal Society of Chemistry.
Original languageEnglish
Pages (from-to)3284-3290
JournalRSC Advances
Issue number10
Publication statusPublished - 2013


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