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Total morphosynthesis of biomimetic prismatic-type CaCO<sub>3</sub> thin films

Total morphosynthesis of biomimetic prismatic-type CaCO3 thin films

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XIAO, Chuanlian, Ming LI, Bingjun WANG, Ming-Feng LIU, Changyu SHAO, Haihua PAN, Yong LU, Yuan JIANG, Ruikang TANG, Helmut CÖLFEN, 2017. Total morphosynthesis of biomimetic prismatic-type CaCO3 thin films. In: Nature communications. 8(1), 1398. eISSN 2041-1723. Available under: doi: 10.1038/s41467-017-01719-6

@article{Xiao2017-11-09Total-40679, title={Total morphosynthesis of biomimetic prismatic-type CaCO3 thin films}, year={2017}, doi={10.1038/s41467-017-01719-6}, number={1}, volume={8}, journal={Nature communications}, author={Xiao, Chuanlian and Li, Ming and Wang, Bingjun and Liu, Ming-Feng and Shao, Changyu and Pan, Haihua and Lu, Yong and Jiang, Yuan and Tang, Ruikang and Cölfen, Helmut}, note={Article Number: 1398} }

Biomimetic mineralization can lead to advanced crystalline composites with common chemicals under ambient conditions. An exceptional example is biomimetic nacre with its superior fracture toughness. The synthesis of the prismatic layer with stiffness and wear resistance nonetheless remains an elusive goal. Herein, we apply a biomimetic mineralization method to grow prismatic-type CaCO<sub>3</sub> thin films, mimicking their biogenic counterparts found in mollusk shells with a three-step pathway: coating a polymer substrate, deposition of a granular transition layer, and mineralization of a prismatic overlayer. The synthetic prismatic overlayers exhibit structural similarity and comparable hardness and Young's modulus to their biogenic counterparts. Furthermore, employment of a biomacromolecular soluble additive, silk fibroin, in fabrication of the prismatic thin films leads to micro-/nano-textures with enhanced toughness and emerging under-water superoleophobicity. This study highlights the crucial role of the granular transition layer in promoting competition growth of the prismatic layer. Jiang, Yuan Pan, Haihua Liu, Ming-Feng Li, Ming Cölfen, Helmut Lu, Yong 2017-11-21T13:33:28Z Xiao, Chuanlian terms-of-use Lu, Yong eng Liu, Ming-Feng Tang, Ruikang Shao, Changyu Shao, Changyu Cölfen, Helmut Jiang, Yuan 2017-11-09 Li, Ming Total morphosynthesis of biomimetic prismatic-type CaCO<sub>3</sub> thin films Xiao, Chuanlian Tang, Ruikang Wang, Bingjun 2017-11-21T13:33:28Z Wang, Bingjun Pan, Haihua

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