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Related papers: Plasmon-Driven Hot Electron Transfer at Atomically…

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Heterostructures combining two or more metal and/or semiconductor nanoparticles exhibit enhanced upconversion arising from localized surface plasmon resonances (LSPRs). However, coupled plasmon-exciton systems are slowed by excitonic…

Modeling light-matter interaction in hybrid plasmonic materials is vital to their widening relevance from optoelectronics to photocatalysis. Here, we explore photoluminescence from ZnO nanorods (ZNR) embedded with gold nanoparticles (Au…

Materials Science · Physics 2023-07-21 Kritika Sharu , Shashwata Chattopadhyay , K. N. Prajapati , J. Mitra

Plasmonic structures are renowned for their capability to efficiently convert light into heat at the nanoscale. However, despite the possibility to generate deep sub-wavelength electromagnetic hot spots, the formation of extremely localized…

Above-threshold light emission from plasmonic tunnel junctions, when emitted photons have energies significantly higher than the energy scale of the incident electrons, has attracted much recent interest in nano-optics, while the underlying…

Mesoscale and Nanoscale Physics · Physics 2020-12-08 Longji Cui , Yunxuan Zhu , Mahdiyeh Abbasi , Arash Ahmadivand , Burak Gerislioglu , Peter Nordlander , Douglas Natelson

Vertical heterostructures of van der Waals materials enable new pathways to tune charge and energy transport characteristics in nanoscale systems. We propose that graphene Schottky junctions can host a special kind of photoresponse which is…

Mesoscale and Nanoscale Physics · Physics 2016-11-09 Joaquin F. Rodriguez-Nieva , Mildred S. Dresselhaus , Justin C. W. Song

Photo-bolometric effect is critically important in optoelectronic structures and devices employing metallic electrodes with nanoscale features due to heating caused by the plasmonic field enhancement. One peculiar case is individual silver…

Mesoscale and Nanoscale Physics · Physics 2022-02-15 Mohammadali Razeghi , Merve Üstünçelik , Farzan Shabani , Hilmi Volkan Demir , T. Serkan Kasırga

The harnessing of plasmon-induced hot carriers promises to open new avenues for the development of clean energies and chemical catalysis. The extraction of carriers before thermalization and recombination is of primordial importance to…

Hot electrons generated from the decay of localized surface plasmons in metallic nanostructures have the potential to transform photocatalysis, photodetection and other optoelectronic applications. However, the understanding of hot-carrier…

This review systematically analyzes patent disclosures regarding plasmonic structures, devices, and integrated applications, highlighting the technology's capability to confine and manipulate electromagnetic energy at the nanoscale. Core…

Optics · Physics 2025-10-21 Mahdi Javidnasab , Sajjad Hosseinzade

Metal nanoparticles are excellent light absorbers. The absorption processes create highly excited electron-hole pairs and recently there has been interest in harnessing these hot charge carriers for photocatalysis and solar energy…

Mesoscale and Nanoscale Physics · Physics 2017-06-13 Gregory V. Hartland , Lucas V. Besteiro , Paul Johns , Alexander O. Govorov

Recent progress in manufacturing high-electron-mobility transistors and optoelectronic devices highlights the necessity of understanding the charge dynamics and its impact on the optical properties inside heterostructures. Herein, we study…

Instrumentation and Detectors · Physics 2024-01-12 Fatemeh Chahshouri , Masoud Taleb , Maximilian Black , Michael Mensing , Nahid Talebi

Plasmonic nanoparticles hold great promise as photon handling elements and as channels for coherent transfer of energy and information in future all-optical computing devices. Coherent energy oscillations between two spatially separated…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 Eva-Maria Roller , Lucas V. Besteiro , Claudia Pupp , Larousse Khosravi Khorashad , Alexander O. Govorov , Tim Liedl

We propose an on-chip CMOS compatible graphene plasmonic photodetector based on the photo-thermoelectric effect (PTE) that occurs across an entire homogeneous graphene channel. The proposed photodetector incorporates the long-range…

Applied Physics · Physics 2020-02-12 Jacek Gosciniak , Mahmoud Rasras , Jacob Khurgin

Surface plasmon enhanced processes and hot-carrier dynamics in plasmonic nanostructures are of great fundamental interest to reveal light-matter interactions at the nanoscale. Using plasmonic tunnel junctions as a platform supporting both…

Understanding and controlling properties of plasmon-induced hot carriers is a key step towards next-generation photovoltaic and photocatalytic devices. Here, we uncover a route to engineering hot-carrier generation rates of silver…

Materials Science · Physics 2021-01-26 Lara Román Castellanos , Ortwin Hess , Johannes Lischner

Harnessing short-lived photoexcited electron-hole pairs in metal nanostructures has the potential to define a new phase of optoelectronics, enabling control of athermal mechanisms for light harvesting, photodetection and photocatalysis. To…

Nanoscale electronics and photonics are among the most promising research areas providing functional nano-components for data transfer and signal processing. By adopting metal-based optical antennas as a disruptive technological vehicle, we…

Recently, asymmetric plasmonic nanojunctions [Karnetzky et. al., Nature Comm. 2471, 9 (2018)] have shown promise as on-chip electronic devices to convert femtosecond optical pulses to current bursts, with a bandwidth of multi-terahertz…

Plasmonic materials have got wide attention as a potential candidate for light driven catalysis of chemical conversions by harnessing solar energy to reduce the environmental issues generated by fossil fuels-based bulk chemical industries.…

Optics · Physics 2024-08-27 Mahadi Hasan , Mahamadu Tiah Mahama

Harnessing hot electrons and holes resulting from the decay of localized surface plasmons in nanomaterials has recently led to new devices for photovoltaics, photocatalysis and optoelectronics. Properties of hot carriers are highly tunable…

Materials Science · Physics 2018-02-15 Stefano Dal Forno , Luigi Ranno , Johannes Lischner