2D assembly of gold–PNIPAM core–shell nanocrystals

Jaber, Sarah; Karg, Matthias; Morfa, Anthony J.; Mulvaney, Paul

doi:10.1039/c0cp02494e

Cited by 50 publications

(58 citation statements)

References 26 publications

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“…Reproduced with permission 10, 11, 12, 18, 20, 21, 79, 120, 133, 135, 138, 144, 171, 172, 173, 174, 175, 176, 177. Copyright 1998, 2001, 2006, 2007, 2009, 2010, 2011, 2013, Nature Publishing Group.…”

Section: Introductionmentioning

confidence: 99%

Nanoparticle Superlattices: The Roles of Soft Ligands

et al. 2017

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Nanoparticle superlattices are periodic arrays of nanoscale inorganic building blocks including metal nanoparticles, quantum dots and magnetic nanoparticles. Such assemblies can exhibit exciting new collective properties different from those of individual nanoparticle or corresponding bulk materials. However, fabrication of nanoparticle superlattices is nontrivial because nanoparticles are notoriously difficult to manipulate due to complex nanoscale forces among them. An effective way to manipulate these nanoscale forces is to use soft ligands, which can prevent nanoparticles from disordered aggregation, fine‐tune the interparticle potential as well as program lattice structures and interparticle distances – the two key parameters governing superlattice properties. This article aims to review the up‐to‐date advances of superlattices from the viewpoint of soft ligands. We first describe the theories and design principles of soft‐ligand‐based approach and then thoroughly cover experimental techniques developed from soft ligands such as molecules, polymer and DNA. Finally, we discuss the remaining challenges and future perspectives in nanoparticle superlattices.

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Section: Introductionmentioning

confidence: 99%

Nanoparticle Superlattices: The Roles of Soft Ligands

et al. 2017

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“…This could be used to determine the molar mass of the overall hybrid particles simply from absorbance measurements. In a different work, Mulvaney et al [62] have shown that the control over the shell thickness of gold-poly-(NIPAM) microgels can be used in the preparation of particle monolayers with different intercore separation distances. In this work, the authors employed different deposition techniques to produce self-assembled monolayers of the core-shell particles and studied the surface coverage and core-to-core distance.…”

Section: Plasmonic Hybridsmentioning

confidence: 98%

Multifunctional inorganic/organic hybrid microgels

Karg

2012

Colloid Polym Sci

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This review summarizes recent research dedicated to hybrid colloids combining inorganic nanoparticles and cross-linked polymer networks. We discuss aspects of synthesis, characterization, and application of systems with different morphologies and properties. Due to the large number of works in the field of composite materials, we focus on materials with responsive polymer components, which are dispersed in aqueous media.

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“…Once the substrate is covered with colloidal particles with specific inter-particle spacing, surface coverage determines the optical properties, that is, absorption, scattering and transmission [132][133][134][135]. Whereas a low area fraction f area of only a few percent will only have negligible influence, a high area fraction will for example significantly lower the transmission through this layer.…”

Section: Particle Functionalizationmentioning

confidence: 99%

Colloidal self-assembly concepts for light management in photovoltaics

et al. 2015

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Colloidal particles show interaction with electromagnetic radiation at optical frequencies. At the same time clever colloid design and functionalization concepts allow for versatile particle assembly providing monolayers of macroscopic dimensions. This has led to a significant interest in assembled colloidal structures for light harvesting in photovoltaic devices. In particular thin-film solar cells suffer from weak absorption of incoming photons. Consequently light management using assembled colloidal structures becomes vital for enhancing the efficiency of a given device. This review aims at giving an overview of recent developments in colloid synthesis, functionalization and assembly with a focus on light management structures in photovoltaics. We distinguish between optical effects related to the single particle properties as well as collective optical effects, which originate from the assembled structures.Colloidal templating approaches open yet another dimension for controlling the interaction with light. We focus in this respect on structured electrodes that have received much attention due to their dual functionality as light harvesting systems and conductive electrodes and highlight the impact of interparticle spacing for templating.

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2D assembly of gold–PNIPAM core–shell nanocrystals

Cited by 50 publications

References 26 publications

Nanoparticle Superlattices: The Roles of Soft Ligands

Nanoparticle Superlattices: The Roles of Soft Ligands

Multifunctional inorganic/organic hybrid microgels

Colloidal self-assembly concepts for light management in photovoltaics

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