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Synergistic Effect of Granular Seed Substrates and Soluble Additives in Structural Control of Prismatic CaCO<sub>3</sub> Thin Films

Synergistic Effect of Granular Seed Substrates and Soluble Additives in Structural Control of Prismatic CaCO3 Thin Films

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WANG, Bingjun, Li-Bo MAO, Ming LI, Yupeng CHEN, Ming-Feng LIU, Chuanlian XIAO, Yuan JIANG, Shutao WANG, Shu-Hong YU, Xiang Yang LIU, Helmut CÖLFEN, 2018. Synergistic Effect of Granular Seed Substrates and Soluble Additives in Structural Control of Prismatic CaCO3 Thin Films. In: Langmuir. 34(37), pp. 11126-11138. ISSN 0743-7463. eISSN 1520-5827. Available under: doi: 10.1021/acs.langmuir.8b02072

@article{Wang2018-09-18Syner-44127, title={Synergistic Effect of Granular Seed Substrates and Soluble Additives in Structural Control of Prismatic CaCO3 Thin Films}, year={2018}, doi={10.1021/acs.langmuir.8b02072}, number={37}, volume={34}, issn={0743-7463}, journal={Langmuir}, pages={11126--11138}, author={Wang, Bingjun and Mao, Li-Bo and Li, Ming and Chen, Yupeng and Liu, Ming-Feng and Xiao, Chuanlian and Jiang, Yuan and Wang, Shutao and Yu, Shu-Hong and Liu, Xiang Yang and Cölfen, Helmut} }

Wang, Bingjun Yu, Shu-Hong eng Cölfen, Helmut Mao, Li-Bo Liu, Ming-Feng Li, Ming Synergistic Effect of Granular Seed Substrates and Soluble Additives in Structural Control of Prismatic CaCO<sub>3</sub> Thin Films Mao, Li-Bo Xiao, Chuanlian Wang, Bingjun Yu, Shu-Hong Chen, Yupeng Wang, Shutao Liu, Xiang Yang Jiang, Yuan 2018-12-04T10:19:16Z Liu, Xiang Yang Li, Ming Jiang, Yuan 2018-09-18 2018-12-04T10:19:16Z Wang, Shutao Cölfen, Helmut Xiao, Chuanlian Chen, Yupeng Liu, Ming-Feng In biomineralization and bioinspired mineralization, substrates and additives function synergistically in providing structural control of the mineralized layers including their orientation, polymorph, morphology, hierarchical architecture, etc. Herein, a novel type of granular aragonitic CaCO<sub>3</sub>-poly(acrylic acid) substrate guides the mineralization of prismatic CaCO<sub>3</sub> thin films of distinct morphology and polymorph in the presence of different additives including organic compounds and polymers. For instance, weakly charged amino acids lead to columnar aragonite overlayers, while their charged counterparts and organic acids/bases inhibit the overgrowth. Employment of several specific soluble polymer additives in overgrowth instead results in calcitic overlayers with distinct hierarchical architecture, good hardness/Young's modulus, and under-water superoleophobicity. Interestingly, self-organized patterns in the CaCO<sub>3</sub>-poly(l-glutamic acid) overlayer are obtained under proper mineralization conditions. We demonstrate that the granular seed comprised of mineralized and polymeric constituents is a versatile platform for obtaining prismatic CaCO<sub>3</sub> thin films, where structural control can be realized by the employment of different types of additives in overgrowth. We expect the methodology to be applied to a broad spectrum of bioinspired, prismatic-type crystalline products, aiming for the development of high-performance hybrids.

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