Issue 59, 2021
From the journal:

Chemical Communications

Interface-mediated formation of basic cobalt carbonate/polyethyleneimine composite microscrolls by strain-induced self-rolling†

Viktoria Gruen,a   Nicolas Helfricht, ORCID logo b   Sabine Rosenfeldtcd  and  Anna S. Schenk ORCID logo *ad  

* Corresponding authors

a Physical Chemistry–Colloidal Systems, University of Bayreuth, Bayreuth 95440, Germany
E-mail: anna.schenk@uni-bayreuth.de

b Physical Chemistry II, University of Bayreuth, Bayreuth 95440, Germany

c Physical Chemistry I, University of Bayreuth, Bayreuth 95440, Germany

d Bavarian Polymer Institute, University of Bayreuth, Bayreuth 95440, Germany

Abstract

Polyethyleneimine aids the gas diffusion precipitation of nano-structured basic cobalt carbonate sheets at the air/solution interface. Upon drying, these mineral films undergo self-rolling into 3D coiled structures. Exploring this principle for the design of self-supported functional materials, porous Co3O4 spirals composed of interconnected nanoparticles are obtained by thermal conversion.

Graphical abstract: Interface-mediated formation of basic cobalt carbonate/polyethyleneimine composite microscrolls by strain-induced self-rolling

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Article information

DOI
https://doi.org/10.1039/D1CC01136G
Article type
Communication
Submitted
02 Mar 2021
Accepted
23 Jun 2021
First published
23 Jun 2021

Chem. Commun., 2021,57, 7244-7247

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Interface-mediated formation of basic cobalt carbonate/polyethyleneimine composite microscrolls by strain-induced self-rolling

V. Gruen, N. Helfricht, S. Rosenfeldt and A. S. Schenk, Chem. Commun., 2021, 57, 7244 DOI: 10.1039/D1CC01136G

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