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Paper   IPM / CMNL / 14897
Condensed Matter National Laboratory
  Title:   Liquid-Crystal-Mediated Self-Assembly of Porous a-Fe2O3 Nanorods on PEDOT:PSS-Functionalized Graphene as a Flexible Ternary Architecture for Capacitive Energy Storage
1.  Md. Monirul Islam.
2.  Dean Cardillo.
3.  Taslima Akhter.
4.  Seyed Hamed Aboutalebi.
5.  Hua Kun Liu.
6.  Konstantin Konstantinov.
7.  Shi Xue Dou.
  Status:   Published
  Journal: Part. Part. Syst. Char.
  Vol.:  33
  Year:  2016
  Pages:   27-37
  Publisher(s):   Wiley Online Library
  Supported by:  IPM
A novel aqueous-based self-assembly approach to a composite of iron oxide nanorods on conductive-polymer (CP)-functionalized, ultralarge graphene oxide (GO) liquid crystals (LCs) is demonstrated here for the fabrication of a flexible hybrid material for charge capacitive application. Uniform decoration of a-Fe2O3 nanorods on a poly(3,4-ethylene-dioxythiophene): poly(styrenesulfonate) (PEDOT:PSS)-functionalized, ultralarge GO scaffold results in a 3D interconnected layer-by-layer (LBL) architecture. This advanced interpenetrating network of ternary components is lightweight, foldable, and possesses highly conductive pathways for facile ion transportation and charge storage, making it promising for high-performance energy-storage applications. Having such structural merits and good synergistic effects, the flexible architecture exhibits a high specific discharge capacitance of 875 F g^-1 and excellent volumetric specific capacitance of 868 F cm^-3 at 5 mV s^-1, as well as a promising energy density of 118 W h kg^-1 (at 0.5 A g^-1) and promising cyclability, with capacity retention of 100

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