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:
NumberType
10.1021/acsami.0c01398DOI
1333609Other
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: http://irep.ntu.ac.uk/id/eprint/43522

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