Spontaneous Formation of Hierarchically Structured Curly Films of Nickel Carbonate Hydrate through Drying

Guo, Xiaohui; Yu, Shu‐Hong; Lu, Yang; Yuan, Guangbi; Sedlák, Miloš; Cölfen, Helmut

doi:10.1021/la1002308

Cited by 8 publications

(4 citation statements)

References 43 publications

(32 reference statements)

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“…This clears the way to a wide range of non-equilibrium morphologies. Aggregates with reduced symmetry, which are low in dimension or which feature high aspect ratios, are readily accessible by either utilizing stereoselective surfactants or exploiting intrinsic high-energy facets of the nanoscale building blocks. − This results in highly fissured and jagged morphologies whose habit witnesses the nanoparticulate building block; even highly complex shaped crystal superstructures such as helical bundles are feasible …”

Section: Introductionmentioning

confidence: 99%

Designing Solid Materials from Their Solute State: A Shift in Paradigms toward a Holistic Approach in Functional Materials Chemistry

Gebauer

Wolf²

2019

J. Am. Chem. Soc.

118

131

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“Non-classical” notions consider formation pathways of crystalline materials where larger species than monomeric chemical constituents, i.e., ions or single molecules, play crucial roles, which are not covered by the classical theories dating back to the 1870s and 1920s. Providing an outline of “non-classical” nucleation, we demonstrate that prenucleation clusters (PNCs) can lie on alternative pathways to phase separation, where the very event of demixing is primarily based on not the sizes of the species forming, as in the classical view, but their dynamics. Rationalizing, on the other hand, that precursors that can be analytically detected in pre-nucleation stages and that play a role in phase separation must be considered PNCs and cannot be explained by classical notions, we outline a variety of systems where PNCs are important. Indeed, in recent years, with the advent of “non-classical” theories, a primary focus of research concentrated on the fundamental understanding of oligomeric/polymeric and particulate species involved in nucleation and crystallization processes, respectively. At the same time, the near-to unfathomable potential of “non-classical” routes for the synthesis of inorganic functional materials slowly unfolds. An overview of recent developments in the fundamental and mechanistic understanding of “non-classical” nucleation and crystallization in this Perspective then allows us to map out the potential of cluster/particle-driven mineralization pathways to intrinsically tailor the properties of inorganic functional (hybrid) materials via structuration from the nano- to the mesoscale. This is of utter importance for the functionality and performance of materials, as it may even confer emergent properties such as self-healing. Biomineralsoften formed via particle accretion mechanismsdemonstrate this impressively and thus can serve as a further source of inspiration how to exploit nonclassical crystallization routes for syntheses of structured and functional materials. These new avenues to synthetic approaches may finally provide a holistic material concept, in which fundamental chemistry and materials science synergistically alloy.

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Section: Introductionmentioning

confidence: 99%

Designing Solid Materials from Their Solute State: A Shift in Paradigms toward a Holistic Approach in Functional Materials Chemistry

Gebauer

Wolf²

2019

J. Am. Chem. Soc.

118

131

View full text Add to dashboard Cite

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“…To take advantage of this type of tubular building blocks, understanding the mechanisms of rolling process is essential. , A system far from equilibrium can exhibit complex transitory structures, and curly structures can be formed from thin solid films when they are freed from a substrate, and once released from their substrate the layer rolls up by itself and forms a nanotube. − In 1909, Stoney reported that strained metal layers spontaneously “curl up into beautiful close rolls” once they detach from their host substrate . Currently, there are two methods for preparing these solid state nanotubes, involving a general and a specialized procedure .…”

Section: Resultsmentioning

confidence: 99%

A Family of Carbon-Based Nanocomposite Tubular Structures Created by in Situ Electron Beam Irradiation

Liu

et al. 2012

ACS Nano

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We report a unique approach for the fabrication of a family of curling tubular nanostructures rapidly created by a rolling up of carbon membranes under in situ TEM electron beam irradiation. Multiwall tubes can also be created if irradiation by electron beam is performed long enough. This general approach can be extended to curve the conductive carbon film loaded with various functional nanomaterials, such as nanocrystals, nanorods, nanowires, and nanosheets, providing a unique strategy to make composite tubular structures and composite materials by a combination of desired optical, electronic, and magnetic properties, which could find potential applications, including fluid transportation, encapsulation, and capillarity on the nanometer scale.

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“…Although this Perspective focuses on the minerals presented in biominerals, MBSMs consisting of other minerals, such as alumina, could also be fabricated via matrix-directed mineralization. Efforts have been made to understand the mineralization of other minerals, − yet more explorations are needed to make MBSMs based on these minerals.…”

Section: Discussion and Future Perspectivementioning

confidence: 99%

Matrix-Directed Mineralization for Bulk Structural Materials

Mao

Meng

et al. 2022

J. Am. Chem. Soc.

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Mineral-based bulk structural materials (MBSMs) are known for their long history and extensive range of usage. The inherent brittleness of minerals poses a major problem to the performance of MBSMs. To overcome this problem, design principles have been extracted from natural biominerals, in which the extraordinary mechanical performance is achieved via the hierarchical organization of minerals and organics. Nevertheless, precise and efficient fabrication of MBSMs with bioinspired hierarchical structures under mild conditions has long been a big challenge. This Perspective provides a panoramic view of an emerging fabrication strategy, matrix-directed mineralization, which imitates the in vivo growth of some biominerals. The advantages of the strategy are revealed by comparatively analyzing the conventional fabrication techniques of artificial hierarchically structured MBSMs and the biomineral growth processes. By introducing recent advances, we demonstrate that this strategy can be used to fabricate artificial MBSMs with hierarchical structures. Particular attention is paid to the mass transport and the precursors that are involved in the mineralization process. We hope this Perspective can provide some inspiring viewpoints on the importance of biomimetic mineralization in material fabrication and thereby spur the biomimetic fabrication of high-performance MBSMs.

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Spontaneous Formation of Hierarchically Structured Curly Films of Nickel Carbonate Hydrate through Drying

Cited by 8 publications

References 43 publications

Designing Solid Materials from Their Solute State: A Shift in Paradigms toward a Holistic Approach in Functional Materials Chemistry

Designing Solid Materials from Their Solute State: A Shift in Paradigms toward a Holistic Approach in Functional Materials Chemistry

A Family of Carbon-Based Nanocomposite Tubular Structures Created by in Situ Electron Beam Irradiation

Matrix-Directed Mineralization for Bulk Structural Materials

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