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Search results for optoelectronics

Optics & Photonics Nov 10, 2023

Preparation of F-passivated ZnO for quantum dot photovoltaics

For photovoltaic power generation, pn junction is the core unit. The electric field in the junction can separate and transport the electron and the hole to negative and positive electrodes, respectively. Once the pn junction ...

Polymers Nov 6, 2023

Hydrogel-assisted microfluidic spinning of stretchable fibers via fluidic and interfacial self-adaptation

Stretchable polymeric fibers have significant impact, although their production requires rigorous environmental methods and resource consumption. The process is challenging for elastic polymers with reduced spinnability and ...

Bio & Medicine Nov 1, 2023

A liquid water-molecule-based graphene heterogeneous photodetector and its application in an oximeter

In the context of the development of smart health care towards digitalization, the new generation of photodetectors has a wide range of application prospects and huge market value. The characteristics of graphene material, ...

Optics & Photonics Oct 30, 2023

High-performance MoSâ‚‚-based infrared photodetector induced by the photogating effect

Recently, Professor Qi Weihong of Northwestern Polytechnical University and Academician Liu Weimin of Lanzhou Institute of Chemical Âé¶¹ÒùÔºics, Chinese Academy of Sciences, found that nickel nanoparticle-modified defective molybdenum ...

Materials Science Oct 28, 2023

Scientists develop new method to create stable, efficient next-gen solar cells

Next-generation solar materials are cheaper and more sustainable to produce than traditional silicon solar cells, but hurdles remain in making the devices durable enough to withstand real-world conditions. A new technique ...

Optics & Photonics Oct 27, 2023

Is it possible for a random bit generator to reach a rate of petabits per second?

The optical frequency comb is an important tool in modern physics research and applications. In 2005, Theodor W. Hänsch and John L. Hall were awarded the Nobel Prize in Âé¶¹ÒùÔºics for their pioneering work on optical frequency ...

Optics & Photonics Oct 25, 2023

Room-temperature continuous-wave topological Dirac-vortex microcavity lasers on silicon

With the explosive growth of data traffic, it is highly desired to develop hybrid photonic integrated circuits combining various optical components on a single chip.

Nanomaterials Oct 19, 2023

Self-powered flexible multicolor electrochromic devices for information displays

In recent years, self-powered electrochromic (EC) devices have shown significant potential in various fields such as optoelectronics, sensors, and security systems. These self-powered EC systems, capable of reversible color ...

Nanophysics Oct 18, 2023

Scientists develop thin film phototransistor for bioinspired visual adaptation

A research team led by Prof. Cao Hongtao at the Ningbo Institute of Materials Technology and Engineering of the Chinese Academy of Sciences, in cooperation with Prof. Zhang Haizhong's group from Fuzhou University, has developed ...

Optics & Photonics Oct 18, 2023

Widely tunable and high resolution mid-infrared laser based on optical parametric oscillator

A widely tunable and high resolution mid-infrared radiation source operating in the 3–5 µm region has been applied to numerous frontier applications, including remote sensing, molecular spectroscopy, and atmosphere environmental ...

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