Issue 25, 2024

Photothermal conversion-enabled temperature modulation for the growth of complex polymorphic architectures of calcium carbonate

Abstract

As a highly efficient and eco-friendly heat generation approach, the photothermal conversion process has been applied to many important areas such as desalination and medical treatments. We explored in this work the application of the photothermal conversion process for the fabrication of complex polymorphic calcium carbonate (CaCO3) structures. Through stepwise temperature modulation enabled by photothermal conversion, architectures of aragonite@calcite, calcite@aragonite, and calcite@aragonite@calcite that are composed of multiple polymorphic phases were obtained. The different polymorphic phases on the same architectures are confirmed by confocal Raman micro-spectroscopy analysis. Further modification of the substrates with a patterned self-assembled monolayer through soft lithography enabled the growth of arrays of the complex polymorphic CaCO3 structures on the surface. This study provides an efficient and promising methodology for thermally controlling the growth of materials with desired multi-phases and multi-functionalities for different applications.

Graphical abstract: Photothermal conversion-enabled temperature modulation for the growth of complex polymorphic architectures of calcium carbonate

Supplementary files

Article information

Article type
Paper
Submitted
02 févr. 2024
Accepted
15 avr. 2024
First published
16 avr. 2024

J. Mater. Chem. A, 2024,12, 15090-15098

Photothermal conversion-enabled temperature modulation for the growth of complex polymorphic architectures of calcium carbonate

B. Shi, L. Zhang, Z. Yang, J. Deng, S. An, B. Fu, C. Song, P. Tao, T. Deng and W. Shang, J. Mater. Chem. A, 2024, 12, 15090 DOI: 10.1039/D4TA00802B

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