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Recent experiments claimed that the enhancement of catalytic reaction rates occurs via the reduction of activation barriers driven by non-equilibrium (``hot'') electrons in plasmonic metal nanoparticles. These experiments place plasmonic…

化学物理 · 物理学 2020-04-22 Yonatan Sivan , Ieng Wai Un , Yonatan Dubi

It has been known for many years that metallic nanoparticles can catalyse various chemical reactions, both in the dark and under illumination, through different mechanisms. In the last decade or so, many claims of plasmon-assisted "hot"…

光学 · 物理学 2020-11-13 Yonatan Sivan , Yonatan Dubi

Recently, there has been a growing interest in the usage of mm-scale composites of plasmonic nanoparticles for enhancing the rates of chemical reactions; the effect was shown recently to be predominantly associated with the elevated…

应用物理 · 物理学 2023-03-31 Ieng-Wai Un , Yonatan Sivan

Over 85% of all chemical industry products are made using catalysts, with the overwhelming majority of these employing heterogeneous catalysts functioning at the gas-solid interface. Consequently, optimizing catalytic reactor design…

Understanding the intricate relation between illumination and temperature in metallic nano-particles is crucial for elucidating the role of illumination in various physical processes which rely on plasmonic enhancement but are also…

化学物理 · 物理学 2023-03-31 Ieng-Wai Un , Yonatan Dubi , Yonatan Sivan

Light absorption and scattering of plasmonic metal nanoparticles can lead to non-equilibrium charge carriers, intense electromagnetic near-fields, and heat generation, with promising applications in a vast range of fields, from chemical and…

光学 · 物理学 2020-08-27 Guillaume Baffou , Ivan Bordacchini , Andrea Baldi , Romain Quidant

The illumination of catalytic surfaces with a continuous or pulsed stream of photons dynamically modulates surface chemistry for faster rates, higher conversion, or product selectivity control. To establish fundamental principles of dynamic…

化学物理 · 物理学 2025-11-24 Paul J Dauenhauer

We present the Automated Photometry Of Transients (AutoPhOT) package, a novel automated pipeline that is designed for rapid, publication-quality photometry of astronomical transients. AutoPhOT is built from the ground up using Python 3 -…

天体物理仪器与方法 · 物理学 2023-09-07 S. J. Brennan , M. Fraser

This paper presents a large language model (LLM) agent named AgentCAT, which extracts and analyzes catalytic reaction data from chemical engineering papers, %and supports natural language based interactive analysis of the extracted data.…

化学物理 · 物理学 2026-02-24 Wei Yang , Zihao Liu , Tao Tan , Xiao Hu , Hong Xie , Lulu Li Xin Li , Jianyu Han , Defu Lian , Mao Ye

Methane pyrolysis provides a scalable alternative to conventional hydrogen production methods, avoiding greenhouse gas emissions. However, high operating temperatures limit economic feasibility on an industrial scale. A major scientific…

We present a lighting-aware image editing pipeline that, given a portrait image and a text prompt, performs single image relighting. Our model modifies the lighting and color of both the foreground and background to align with the provided…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Junuk Cha , Mengwei Ren , Krishna Kumar Singh , He Zhang , Yannick Hold-Geoffroy , Seunghyun Yoon , HyunJoon Jung , Jae Shin Yoon , Seungryul Baek

The use of nanoplasmonics to control light and heat close to the thermodynamic limit enables exciting opportunities in the field of plasmonic catalysis. The decay of plasmonic excitations creates highly nonequilibrium distributions of hot…

The ABALONE is a new type of photosensor produced by PhotonLab, Inc. with cost effective mass production, robustness and high performance. This modern technology provides sensitivity to visible and UV light, exceptional radio-purity and…

仪器与探测器 · 物理学 2022-01-20 V. D'Andrea , R. Biondi , C. Ferrari , A. D. Ferella , J. Mahlstedt , G. Pieramico

Plasmonic nanoparticles (NPs) hold tremendous promise for catalyzing light-driven chemical reactions. The conventionally assumed detrimental absorption loss from plasmon damping can now be harvested to drive chemical transformations of the…

Cryogenic solid state detectors are widely used in dark matter and neutrino experiments, and require a sensible raw data analysis. For this purpose, we present Cait, an open source Python package with all essential methods for the analysis…

Heterogeneous catalysis is an example of a complex materials function, governed by an intricate interplay of several processes, e.g., the different surface chemical reactions, and the dynamic re-structuring of the catalyst material at…

The iron thiolate complex is a simplified model of the active site of diiron hydrogenase enzymes. Here, we describe the implementation of this noble metal free catalyst in aqueous solutions using eosin Y as photosensitizer and triethylamine…

Fully autonomous science has long been a defining ambition for artificial intelligence in materials discovery, yet its realization requires more than automating isolated calculations. In computational catalysis, a system autonomously…

材料科学 · 物理学 2026-05-13 Honghao Chen , Jiangjie Qiu , Yi Shen Tew , Xiaonan Wang

A range of chemical reactions occurring on the surfaces of metal nanoparticles exhibit enhanced rates under plasmonic excitation. Recent analyses based on Arrhenius law fitting have argued in favor of a purely photothermal mechanism of…

化学物理 · 物理学 2020-06-11 Prashant K. Jain

A new dual plasma coating process to produce platinum-free catalysts for the oxygen reduction reaction in a fuel cell is introduced. The catalysts thus produced were analysed with various methods. Electrochemical characterisation was…

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