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Optics & Photonics Sep 22, 2023

Smartphone utilizes 3D information encryption with dual-light-emitting materials

Over the past decade, there has been remarkable advancement in state-of-the-art technologies, leading to a profound alteration in the way individuals interact and exchange information, resulting in the emergence of a "hyper-connected ...

Nanomaterials Jul 5, 2023

Scientists develop novel multi-color room temperature phosphorescent silicon-nanodot-based nanocomposites

The application of photoluminescent materials in the field of information security has attracted much attention. A number of anti-counterfeiting technologies have been developed, including watermarks, 2D codes and luminescent ...

Analytical Chemistry Jun 19, 2023

Organic light-emitting diodes: Making the blue shine brighter and longer

Organic light-emitting diodes are used in smart phones, tablets, and large TV screens. As they do not need any additional background illumination, they are energy-efficient. The can be produced at low costs by thin-film technology ...

Biotechnology May 1, 2023

New biocomputing method uses enzymes as catalysts for DNA-based molecular computing

From early detection and internal treatment of diseases to futuristic applications like augmenting human memory, biological computing, or biocomputing, has the potential to revolutionize medicine and computers.

Materials Science Apr 3, 2023

Researchers review recent progress of organic room-temperature phosphorescent materials towards application

Organic materials with room-temperature phosphorescence (RTP) emission have attracted extensive attention due to extraordinary properties including long lifetime, large Stokes shift, stimuli-responsiveness, and so on, and ...

General Physics Feb 9, 2023

New lithium-based scintillator crystal for detecting radiation can distinguish between neutrons and gamma rays

Security concerns over radioactive materials have persisted for many years. Airports and other public locations now routinely employ radiation detectors, and nuclear regulators need to be able to monitor the levels of subatomic ...

Optics & Photonics Feb 2, 2023

Label-free imaging of red blood cells and oxygenation with color TSFG microscopy

Cells and tissues rely on the circulation of red blood cells (RBCs) for oxygen supply. Two-photon (2P) microscopy is a reference technique for measuring RBC microcirculation and blood oxygenation using exogenous phosphorescent ...

Polymers Dec 16, 2022

Organic dyes with persistent delayed fluorescence and ultralong phosphorescence

A team of researchers from Lithuania has developed organic dyes showing a particularly long afterglow after being excited by light.

Optics & Photonics Sep 5, 2022

Organic thin-film sensors for light-source analysis and anti-counterfeiting applications

In a recent publication in the journal Advanced Materials, a team of physicists and chemists from TU Dresden presents an organic thin-film sensor that describes a completely new way of identifying the wavelength of light ...

Materials Science Aug 2, 2022

Novel non-contact oxygen concentration measurement technique developed

Oxygen plays a key role in various industrial processes, including combustion and energy conversion, which are involved in important fields such as fuel cells, automotive engines, and gas turbines. Thus, a real-time, accurate ...

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