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Chemistry of two-dimensional pnictogens: emerging post-graphene materials for advanced applications.

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Chemistry of two-dimensional pnictogens: emerging post-graphene materials for advanced applications.

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dc.contributor.author Abellán Sáez, Gonzalo
dc.contributor.author Alcaraz, Marta
dc.contributor.author Oestreicher, Víctor
dc.contributor.author Lucherelli, Matteo Andrea
dc.date.accessioned 2023-05-30T10:03:50Z
dc.date.available 2023-05-30T10:03:50Z
dc.date.issued 2023
dc.identifier.citation Abellán Sáez, Gonzalo Alcaraz, Marta Oestreicher, Víctor Lucherelli, Matteo Andrea 2023 Chemistry of two-dimensional pnictogens: emerging post-graphene materials for advanced applications. Chemical Communications 59 6453 6474
dc.identifier.uri https://hdl.handle.net/10550/87115
dc.description.abstract The layered allotropes of group 15 (P, As, Sb and Bi), also called two-dimensional (2D) pnictogens, have emerged as one of the most promising families of post-graphene 2D-materials. This is mainly due to the great variety of properties they exhibit, including layer-dependent bandgap, high charge-carrier mobility and current on/off ratios, strong spin-orbit coupling, wide allotropic diversity and pronounced chemical reactivity. These are key ingredients for exciting applications in (opto)electronics, heterogeneous catalysis, nanomedicine or energy storage and conversion, to name a few. However, there are still many challenges to overcome in order to fully understand their properties and bring them to real applications. As a matter of fact, due to their strong interlayer interactions, the mechanical exfoliation (top-down) of heavy pnictogens (Sb & Bi) is unsatisfactory, requiring the development of new methodologies for the isolation of single layers and the scalable production of high-quality flakes. Moreover, due to their pronounced chemical reactivity, it is necessary to develop passivation strategies, thus preventing environmental degradation, as in the case of bP, or controlling surface oxidation, with the corresponding modification of the interfacial and electronic properties. In this Feature Article we will discuss, among others, the most important contributions carried out in our group, including new liquid phase exfoliation (LPE) processes, bottom-up colloidal approaches, the preparation of intercalation compounds, innovative non-covalent and covalent functionalization protocols or novel concepts for potential applications in catalysis, electronics, photonics, biomedicine or energy storage and conversion. The past years have seen the birth of the chemistry of pnictogens at the nanoscale, and this review intends to highlight the importance of the chemical approach in the successful development of routes to synthesise, passivate, modify, or process these materials, paving the way for their use in applications of great societal impact.
dc.language.iso eng
dc.relation.ispartof Chemical Communications, 2023, vol. 59, p. 6453-6474
dc.subject Materials
dc.title Chemistry of two-dimensional pnictogens: emerging post-graphene materials for advanced applications.
dc.type journal article
dc.date.updated 2023-05-30T10:03:50Z
dc.identifier.doi 10.1039/D2CC06337A
dc.identifier.idgrec 159211
dc.rights.accessRights open access

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