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Nanoscale engineering of two-dimensional disordered hyperuniform block-copolymer assemblies

Gianluigi Zito, Giulia Rusciano, Giuseppe Pesce, Anna Malafronte, Rocco Di Girolamo, Giovanni Ausanio, Antonio Vecchione, and Antonio Sasso
Phys. Rev. E 92, 050601(R) – Published 10 November 2015

Abstract

Disordered hyperuniform (DH) media have been recognized as a new state of disordered matter that broadens our vision of material engineering. Here, long-range correlated disordered two-dimensional patterns are fabricated by self-assembling of spherical diblock-copolymer (BCP) micelles. Control of the self-assembling parameters leads to the formation of DH patterns of micelles that can host nanoscale material inclusions, therefore providing an effective strategy for fabricating multimaterial DH structures at molecular scale. Centroidal patterns are accurately determined by virtue of BCP micelles loaded with metal nanoparticles. Our analysis reveals the signature of nearly ideal DH BCP assemblies in the local density fluctuation and a dominant linear scaling in the local number fluctuation.

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  • Received 5 August 2015

DOI:https://doi.org/10.1103/PhysRevE.92.050601

©2015 American Physical Society

Authors & Affiliations

Gianluigi Zito1,*, Giulia Rusciano1, Giuseppe Pesce1, Anna Malafronte1, Rocco Di Girolamo1, Giovanni Ausanio1,2, Antonio Vecchione3,4, and Antonio Sasso1

  • 1Università degli Studi di Napoli Federico II, via Cintia I-80126 Napoli, Italy
  • 2Consiglio Nazionale delle Ricerche–SPIN, via Cintia I-80126 Napoli, Italy
  • 3Università degli Studi di Salerno, via Giovanni Paolo II 132, 84084 Fisciano (Sa), Italy
  • 4Consiglio Nazionale delle Ricerche–SPIN U.O.S Salerno, via Giovanni Paolo II 132, 84084 Fisciano (Sa), Italy

  • *zito@fisica.unina.it

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Vol. 92, Iss. 5 — November 2015

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