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Fabrication of patterned calcium carbonate materials through template-assisted microbially induced calcium carbonate precipitation.


ABSTRACT: Patterned calcium carbonate materials with controlled morphologies have broad applications in both environmental and engineering fields. However, how to fabricate such materials through environmental-friendly methods under ambient conditions is still challenging. Here, we report a green approach for fabricating patterned calcium carbonate materials. This eco-friendly approach is based on template-assisted microbially induced calcium carbonate precipitation. As a proof of concept, by varying the templates and optimizing fabrication parameters, different patterned calcium carbonate materials were obtained. The optimized parameters include C Ca2+ = 80 mM, T i = 15 °C, and templates made of small-sized CaCO3 particles with a concentration of 1.5 mg mL-1, under which better and more sharp patterns were obtained. Materials with periodic patterns were also fabricated through a periodic template, showing good scalability of this approach. The results of this study could mean great potential in applications where spatially controlled calcium carbonate depositions with user-designed patterns are needed.

SUBMITTER: Yi D 

PROVIDER: S-EPMC9038093 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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Fabrication of patterned calcium carbonate materials through template-assisted microbially induced calcium carbonate precipitation.

Yi Dewei D   Zhang Hong H   Zhang Wenchao W   Zong Yiwu Y   Zhao Kun K  

RSC advances 20210825 46


Patterned calcium carbonate materials with controlled morphologies have broad applications in both environmental and engineering fields. However, how to fabricate such materials through environmental-friendly methods under ambient conditions is still challenging. Here, we report a green approach for fabricating patterned calcium carbonate materials. This eco-friendly approach is based on template-assisted microbially induced calcium carbonate precipitation. As a proof of concept, by varying the  ...[more]

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