Morphological evolution of two-dimensional porous hexagonal trimesic acid framework

Tothadi, S., Koner, K., Dey, K., Addicoat, M. ORCID: 0000-0002-5406-7927 and Banerjee, R., 2020. Morphological evolution of two-dimensional porous hexagonal trimesic acid framework. ACS Applied Materials and Interfaces, 12 (13), pp. 15588-15594. ISSN 1944-8244

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Abstract

Hexagonal single crystal structure (Form II) of trimesic acid (TMA) has been isolated by dissolving the interpenetrated Form I of TMA in tetrahydrofuran. Form II (hexagonal) was converted to Form I (interpenetrated) at room temperature through some intermediate structures. A detailed time-dependent FESEM study shows that the external morphology of Form II (hexagonal) is a hollow hexagonal tube that mimics its crystal structure. The block-shaped (morphology) of Form I (interpenetrated) was converted to the hollow hexagonal tube through some intermediate morphologies which are corresponding to particular crystal structures. Here, we have established a strong correlation between crystal structures with the morphology. These hollow tubes have been employed for Rhodamine B dye adsorption studies and showed an uptake of 82%, much more significant than Form I (interpenetrated) (39%) due to the presence of a pore channel in the crystal structure.

Item Type:	Journal article
Publication Title:	ACS Applied Materials and Interfaces
Creators:	Tothadi, S., Koner, K., Dey, K., Addicoat, M. and Banerjee, R.
Publisher:	American Chemical Society (ACS)
Date:	1 April 2020
Volume:	12
Number:	13
ISSN:	1944-8244
Identifiers:	Number Type 10.1021/acsami.0c01398 DOI 1333609 Other
Divisions:	Schools > School of Science and Technology
Record created by:	Linda Sullivan
Date Added:	19 Jul 2021 08:16
Last Modified:	19 Jul 2021 08:16
URI:	https://irep.ntu.ac.uk/id/eprint/43522

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