Search results for optoelectronic devices

Nanophysics Jun 6, 2024

Unlocking the transformative potential of 2D materials to advance next-generation electronics

Van der Waals (vdW) dielectrics are widely used in nanoelectronics to preserve the intrinsic properties of two-dimensional (2D) semiconductors. However, achieving aligned growth of 2D semiconductors and their direct utilization ...

Nanomaterials Jun 4, 2024

Towards next-gen functional materials: Nanotube crystal enables direct observation of electron transfer in solids

Electron transfer (ET) is a process in which an electron is transferred from one atom or molecule to another. ET is fundamental to electrochemical reactions with applications in many fields. Nanoscale ET, which involves the ...

Analytical Chemistry Jun 3, 2024

Study presents new flexible crystals for optical tuning with multiple deformation options

In recent years, significant strides to enhance the functionality and adaptability of devices have been taken in the field of optoelectronics. Now, a team of scientists from State Key Laboratory of Supramolecular Structure ...

Condensed Matter May 31, 2024

On-chip GHz time crystals with semiconductor photonic devices pave way to new physics and optoelectronic applications

Researchers have for the first time observed a time crystal on a microscale semiconductor chip oscillating at a rate of several billion times per second, unveiling exceptionally high non-linear dynamics in the GHz range.

Nanomaterials May 20, 2024

New quantum dot approach can enhance electrical conductivity of solar cells

A team led by Professor Jongmin Choi of the Department of Energy Science and Engineering has developed a PbS quantum dot that can rapidly enhance the electrical conductivity of solar cells. The findings are published in the ...

Nanophysics May 17, 2024

Study shows optical excitation of hot carriers enables ultrafast dynamic control of nanoscale plasmons

Photonic computing, storage, and communication are the foundation for future photonic chips and all-optical neural networks. Nanoscale plasmons, with their ultrafast response speed and ultrasmall mode volume, play an important ...

Nanomaterials May 16, 2024

Low-temperature pulse irradiation technique enables flexible optoelectronic devices

The synthesis of metallic inorganic compound thin films typically requires high-temperature processes, which hampers their applications on flexible substrates. Recently, a research team at City University of Hong Kong (CityUHK) ...

Condensed Matter May 14, 2024

Advancing transistor technology with triply-degenerate semimetal PtBi₂

Despite its promising characteristics in condensed matter physics, the triply-degenerate semimetal PtBi2 has been largely unexplored in practical applications, particularly in semiconductor technology. The main difficulties ...

Optics & Photonics May 14, 2024

Ultrasensitive gas detection empowered by synergy of graphene and sub-comb dynamics

Since the inception of microcomb, whose generation relies on Kerr nonlinearity in microresonator, the coherent soliton state has attracted intense research. Although the operation of sub-comb outputs is straightforward, as ...

Condensed Matter May 14, 2024

Research finds drastic changes in thermal conductivity of diamonds under stress

Diamond is the hardest material found in nature—diamond also has the highest thermal conductivity, allowing the most heat to flow through it rapidly.

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