Directed Self‐Assembly of Hybrid Oxide/Polymer Core/Shell Nanowires with Transport Optimized Morphology for Photovoltaics

Zhang, Shanju; Pelligra, Candice I.; Keskar, Gayatri; Jiang, Jie; Majewski, Paweł; Taylor, André D.; Ismail‐Beigi, Sohrab; Pfefferle, Lisa D.; Osuji, Chinedum O.

doi:10.1002/adma.201103708

Cited by 38 publications

(48 citation statements)

References 40 publications

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“…ZnCoO nanowires have received extensive attention because of advantages such as high aspect ratio and widespread applicability [22-25]. However, determining the intrinsic properties has been difficult, and the performance and reliability of ZnCoO nanowire devices have been controversial because they are typically fabricated using chemical methods with non-polar solvents [23,26].…”

Section: Introductionmentioning

confidence: 99%

Fabrication of ZnCoO nanowires and characterization of their magnetic properties

et al. 2014

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Hydrogen-treated ZnCoO shows magnetic behavior, which is related to the formation of Co-H-Co complexes. However, it is not well known how the complexes are connected to each other and with what directional behavior they are ordered. In this point of view, ZnCoO nanowire is an ideal system for the study of the magnetic anisotropy. ZnCoO nanowire was fabricated by trioctylamine solution method under different ambient gases. We found that the oxidation of trioctylamine plays an essential role on the synthesis of high-quality ZnCoO nanowires. The hydrogen injection to ZnCoO nanowires induced ferromagnetism with larger magnetization than ZnCoO powders, while becoming paramagnetic after vacuum heat treatment. Strong ferromagnetism of nanowires can be explained by the percolation of Co-H-Co complexes along the c-axis.

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Section: Introductionmentioning

confidence: 99%

Fabrication of ZnCoO nanowires and characterization of their magnetic properties

et al. 2014

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“…[17c] Here, control over the length and diameter of hybrid nanowires by tuning the degree of polymerization of the backbone and side chains is demonstrated. Osuji and co‐workers and Zhang and co‐workers developed methods for side‐on grafting of substituted polythiophenes onto ZnO nanorods for photovoltaic core–shell hybrids . Highly dispersible in aqueous solutions, the system formed a fully homogeneous nematic LC at sufficiently large hybrid nanorod concentrations.…”

Section: Self‐assemblymentioning

confidence: 99%

Directed Assembly of Hybrid Nanomaterials and Nanocomposites

et al. 2018

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Hybrid nanomaterials are molecular or colloidal-level combinations of organic and inorganic materials, or otherwise strongly dissimilar materials. They are often, though not exclusively, anisotropic in shape. A canonical example is an inorganic nanorod or nanosheet sheathed in, or decorated by, a polymeric or other organic material, where both the inorganic and organic components are important for the properties of the system. Hybrid nanomaterials and nanocomposites have generated strong interest for a broad range of applications due to their functional properties. Generating macroscopic assemblies of hybrid nanomaterials and nanomaterials in nanocomposites with controlled orientation and placement by directed assembly is important for realizing such applications. Here, a survey of critical issues and themes in directed assembly of hybrid nanomaterials and nanocomposites is provided, highlighting recent efforts in this field with particular emphasis on scalable methods.

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“…Among others are: layer-by-layer growth, matrix wetting followed by thermal decomposition or solution based cation exchange reaction [1]. Preparation of coreshell nanowires with silica or polymers as a shell is a very popular method [10,[15][16][17]. However, its modified surface and a possibility of specific application is excluded.…”

Section: Introductionmentioning

confidence: 98%