Publications related to Squaraine Dyes for Organic Photomultiplication Photodetectors with 220% External Quantum Efficiency at 1240 nm

Related publications (11)

Advancements and Prospects of Near-infrared-light Driven Co2 Reduction Reaction

In the realm of photoconversion of CO2 into high-value chemicals, the importance of near-infrared (NIR) light is gradually gaining recognition. Relative to ultraviolet (UV) and visible light, NIR light (700-2500 nm), accounting for ca. 50% of solar energy, ...

Royal Society of Chemistry2025

Monomeric Fe in Six-Membered Rings at Work: Operando Spectroscopy of Nitrous Oxide Activation and Decomposition over Fe-Exchanged Zeolites

Oliver Kröcher, Daniel Camilo Cano Blanco

The heterogeneous speciation of ion-exchanged zeolites hinders a rational understanding of their reactivity. This is particularly the case for Fecontaining zeolites that are widely used in both the activation and decomposition of N 2 O. Herein, we explored ...

American Chemical Society (ACS)2025

Cation Pretreatment Enables the Saline Stability of a Near-Infrared Sensor for Dopamine

Ardemis Anoush Boghossian, Hanxuan Wang

Single-walled carbon nanotubes (SWCNTs) are wrapped with single-stranded DNA (ssDNA) to create near-infrared (NIR-II) fluorescent sensors for diverse analytes. However, the interaction between the negatively charged backbone of ssDNA and cations in biologi ...

2025

Investigating metastability in the bandstructure of correlated matter by ultrafast photoemission spectroscopy

Lukas Jürgen Hellbrück

Advancements of laser technologies and material science have revolutionized the ability to manipulate matter through irradiation with ultrafast light pulses. This progress enables not only the study of out-of-equilibrium dynamics but also allows for the se ...

EPFL2025

Electronic structure of Bi2 Ir2 O7 probed by resonant inelastic x-ray scattering at the oxygen K edge: Metallicity, hybridization, and electronic correlations

Henrik Moodysson Rønnow

The electronic structure of metallic Bi2Ir2O7 has been investigated by a combination of soft x-ray absorption spectroscopy, x-ray emission spectroscopy (XES), and resonant inelastic x-ray scattering (RIXS) in the vicinity of the oxygen K edge. The O K-edge ...

2025

Alternative Plasmonic Materials for Fluorescence Enhancement

Olivier Martin, Stavros Athanasiou

Noble metals such as gold and silver have been used extensively for a range of plasmonic applications, including enhancing the fluorescence rate of a dye molecule, as evidenced by numerous experiments over the past two decades. Recently, a variety of doped ...

2024

3D Conjugated Hole Transporting Materials for Efficient and Stable Perovskite Solar Cells and Modules

Paul Joseph Dyson, Zhaofu Fei, Tom Theodorus Antonius Lummen, Bin Ding, Yong Ding, Keith Gregory Brooks

The orthogonal structure of the widely used hole transporting material (HTM) 2,2 ',7,7 '-tetrakis(N, N-di-p-methoxyphenylamino)-9,9 '-spirobifluorene (Spiro-OMeTAD) imparts isotropic conductivity and excellent film-forming capability. However, inherently w ...

Wiley-V C H Verlag Gmbh2024

High-Performance Perovskite Solar Cells with Zwitterion-Capped-ZnO Quantum Dots as Electron Transport Layer and NH4X (X = F, Cl, Br) Assisted Interfacial Engineering

Viktor Skorjanc, Michael Graetzel, Shaik Mohammed Zakeeruddin, Mounir Driss Mensi, Felix Thomas Eickemeyer, Anurag Krishna, Essa Awadh R Alharbi, Thomas Paul Baumeler, Georgios Kakavelakis, Rashmi Runjhun

The systematic advances in the power conversion efficiency (PCE) and stability of perovskite solar cells (PSCs) have been driven by the developments of perovskite materials, electron transport layer (ETL) materials, and interfacial passivation between the ...

Wiley2024

III-N Optoelectronic Devices: Understanding the Physics of Electro-Optical Degradation

Nicolas Grandjean, Jean-François Carlin, Camille Haller

III-N optoelectronic devices are of great interest for many applications. Visible emitters (based on InGaN) are widely used in the lighting, display and automotive fields. Ultraviolet LEDs (based on AlGaN) are expected to be widely used for disinfection, m ...

SPIE2023

Single SiGe quantum dot emission deterministically enhanced in a high-Q photonic crystal resonator

Marco Clementi

We report the resonantly enhanced radiative emission from a single SiGe quantum dot (QD), which is deterministically embedded into a bichromatic photonic crystal resonator (PhCR) at the position of its largest modal electric field by a scalable method. By ...

Optica Publishing Group2023

Intrinsic thermal stability of inverted perovskite solar cells based on electrochemical deposited PEDOT

Jing Gao

Thermal stability of perovskite materials is an issue impairing the long-term operation of inverted per-ovskite solar cells (PSCs). Herein, the thermal attenuation mechanism of the MAPbI3 films that deposited on two different hole transport layers (HTL), p ...

ELSEVIER2023