Enhanced charge transport across molecule–nanoparticle–molecule sandwiches

Zhou, Pei; Nichols, Richard J.; Qiao, Xiaohang; Milan, David C.; Higgins, Simon J.; Vezzoli, Andrea

doi:10.1039/d2cp05525b

Cited by 2 publications

(3 citation statements)

References 41 publications

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“…The presence of GNRs offers more efficient electron transport pathways in this complex, hierarchically arranged material. Therefore, the self-assembly of gold nanoparticles can be beneficial for photovoltaic devices by controlling the charge dynamics between different layers of constituent materials [44]. Similarly in ref.…”

Section: Electrical Applications Photovoltaics and Charge Dynamicsmentioning

confidence: 92%

“…Moreover, sandwiched molecules, nanoparticles, and molecules have been reported to exhibit superior charge transport. This is because of the combination of the electrical properties of nanoparticles and organic ligands, indicating the potential for large-area devices [44]. Electrical measurements conducted on connected GNRs via thiol end-capped oligophenylenevinylene solution for both before and after immersion in the solution, demonstrated a three-order-of-magnitude increase in conductance, highlighting molecular-mediated transport for nanoelectronics, and photonics [45].…”

Section: Cross-linking Through Moleculesmentioning

confidence: 99%

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Longitudinal Assembly of Gold Nanorods on Various Templates for Optoelectronics

Chapagain,

Neupane

2023

Optoelectronics - Recent Advances

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Different synthesis methods such as lithography, physical vapor deposition, layer-by-layer deposition, self-assembly, and laser irradiation are commonly used to deposit and arrange functional nanoparticles on a substrate. The properties of these hierarchically organized materials can be fine-tuned by controlling the shape, size, and crystallinity of the fundamental building blocks. However, achieving controlled organization of the building blocks in a desired architecture on a substrate remains a formidable challenge. This topic will discuss the most recent progress in self-assembly technique and challenges in achieving linear assembly of gold nanorods on a suitable substrate in one, two, or three dimensions and their impact on photonic applications.

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Section: Electrical Applications Photovoltaics and Charge Dynamicsmentioning

confidence: 92%

Section: Cross-linking Through Moleculesmentioning

confidence: 99%

Longitudinal Assembly of Gold Nanorods on Various Templates for Optoelectronics

Chapagain,

Neupane

2023

Optoelectronics - Recent Advances

View full text Add to dashboard Cite

show abstract

“…17 A model by Chazalviel and Allongue 18 indeed showed that electron transfer between the metal electrode and nanoparticles in a layered metal-SAM-nanoparticle structure is up to 10 12 orders of magnitude more efficient than between a redox molecule in solution and the nanoparticle. More recently, Nichols et al 19 also reported improved conductivity in SAM-nanoparticle-SAM constructs due to the unique double monolayer structure of the SAMs, enabling more efficient electron transfer pathways. Thanks to their high surface area-to-volume ratio, bound AuNPs also provide a larger electrode area for the redox process to take place, resulting in enhanced system sensitivity.…”

Section: Introductionmentioning

confidence: 99%