Publications related to High-brightness transition metal-sensitized lanthanide near-infrared luminescent nanoparticles

Related publications (15)

BaZrS3 Lights Up: The Interplay of Electrons, Photons, and Phonons in Strongly Luminescent Single Crystals

Chalcogenide perovskites have emerged as a promising class of materials for the next generation of optoelectronic applications, with BaZrS3 attracting significant attention due to its wide bandgap, earth-abundant composition, and thermal and chemical stabi ...

2025

Bottom-up designing nanostructured oxide libraries under a lab-on-chip paradigm towards a low-cost highly-selective E-nose

Vasily Artemov

Background: The multisensor concept has been developed as a powerful alternative to well-known gas-analytical instrumentation for applications where a fast but accurate and reliable assessment of the environment is required. The concept follows a biology-i ...

2025

Here There Be (dusty) Monsters: High-redshift Active Galactic Nuclei Are Dustier Than Their Hosts

Michaela Hirschmann

JWST spectroscopy has discovered a population of z greater than or similar to 3.5 galaxies with broad Balmer emission lines and narrow forbidden lines that are consistent with hosting active galactic nuclei (AGN). Many of these systems, now known as "littl ...

IOP Publishing Ltd2025

An elliptical nanoantenna array plasmonic metasurface for efficient solar energy harvesting

Amir Jafargholi

Plasmonic metasurfaces with subwavelength nanoantenna arrays have attracted much attention for their ability to control and manage optical properties. Solar absorbers are potential candidates for effectively converting photons into heat and electricity. Th ...

Royal Soc Chemistry2024

Metasurface-Enhanced Mid-Infrared Sensing Based on Integrated Polycrystalline Silicon Metagratings

Simone Iadanza

This paper explores the design and optimization of all-dielectric metasurfaces, consisting of silicon meta-atoms on calcium fluoride (CaF2) and silicon nitride (Si3N4) substrates, to enhance infrared absorption. This optimization results in intense light-m ...

Institute of Electrical and Electronics Engineers Inc.2024

High-performance H2/CO2 separation from 4-nm-thick oriented Zn2(benzimidazole)4 films

Kumar Varoon Agrawal, Heng-Yu Chi, Qi Liu, Shuqing Song, Ranadip Goswami, Zongyao Zhou, Swathilakshmi Swathilakshmi

High-performance membrane-based H2/CO2 separation offers a promising way to reduce the energy costs of precombustion capture. Current membranes, often made from two-dimensional laminates like metal-organic frameworks, have limitations due to complex fabric ...

2024

Nanostructured Fe2O3/CuxO heterojunction for enhanced solar redox flow battery performance

Giulia Tagliabue, Jiaming Ma, Milad Sabzehparvar, Ziyan Pan

Solar redox flow batteries (SRFB) have received much attention as an alternative integrated technology for simultaneous conversion and storage of solar energy. Yet, the photocatalytic efficiency of semiconductor-based single photoelectrodes, such as hemati ...

Royal Society of Chemistry2024

Vitamin needed: Lanthanides in optoelectronic applications of metal halide perovskites

Jean-Claude Bünzli, Peng Gao

Metal-halide perovskites-based optoelectronic devices, such as solar cells and light-emitting diodes (LEDs), are transitioning from promising performers to direct competitors to well-established technologies due to the advantage of cost-effectiveness. Pero ...

ELSEVIER SCIENCE SA2023

Squaraine Dyes for Single-Component Shortwave Infrared-Sensitive Photodiodes and Upconversion Photodetectors

Frank Nüesch, Mohammad Jafarpour, Wei-Hsu Hu

Sensitive detection of shortwave infrared (SWIR) light using organic dyes will be a significant advance toward many applications in industry and research. Furthermore, from a fabrication and optimization view, photogeneration of charges in diodes consistin ...

2023

Negative Refractive Index in Dielectric Crystals Containing Stoichiometric Rare-Earth Ions

Henrik Moodysson Rønnow

Double-negative refractive index materials have attracted sustained experimental and theoretical interest because they can display a range of surprising optical phenomena, including negative Doppler shifts and perfect lensing. Double-negative indexes have ...

Wiley-V C H Verlag Gmbh2023

Rainbow dielectric metasurfaces for tunable resonant generation of high harmonics

Hatice Altug, Felix Ulrich Brikh

We design high-Q metasurfaces with resonant wavelengths in mid-IR varying continuously along the sample. We demonstrate tunable rainbow generation of high harmonics as we vary the pump wavelength and the coordinate along the metasurface. ...

Optical Society of America2023

Hydroxamic acid pre-adsorption raises the efficiency of cosensitized solar cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Ulf Anders Hagfeldt, Nikolaos Vlachopoulos, Felix Thomas Eickemeyer, Yiming Cao, Jiajia Suo, Yameng Ren, Dan Zhang

Dye-sensitized solar cells (DSCs) convert light into electricity by using photosensitizers adsorbed on the surface of nanocrystalline mesoporous titanium dioxide (TiO2) films along with electrolytes or solid charge-transport materials(1-3). They possess ma ...

NATURE PORTFOLIO2023

Orbital-selective metal skin induced by alkali-metal-dosing Mott-insulating Ca2RuO4

Henrik Moodysson Rønnow, Gianmarco Gatti

Doped Mott insulators are the starting point for interesting physics such as high temperature superconductivity and quantum spin liquids. For multi-band Mott insulators, orbital selective ground states have been envisioned. However, orbital selective metal ...

Nature Portfolio2023

Centimeter-Scale Propagation of Optical Surface Waves at Visible Wavelengths

Hans Peter Herzig, Nicolas Maxime André Descharmes, Babak Vosoughi Lahijani, Raphaël Barbey, Gaël David Osowiecki

Guiding and confining light at interfaces is crucial for applications involving light-matter interactions, such as surface spectroscopy, nonlinear optics, and quantum information technology. While dielectric surface waves offer promising perspectives for s ...

WILEY-V C H VERLAG GMBH2022

Tunable wavelength-stabilized mode-locked thulium-doped fiber laser beyond 2000nm

Camille Sophie Brès, Moritz Bartnick, Gayathri Bharathan

We demonstrate operation of a tunable mode-locked thulium-doped fiber laser, based on a wavelength-selective chirped fiber Bragg grating (CFBG). By applying strain to the CFBG, we shift its reflection band and can thereby tune the emission-wavelength of th ...

SPIE-INT SOC OPTICAL ENGINEERING2022