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Trapping of Acetylene

Separation of Trace Acetylene from Ethylene in Ultramicroporous Metal–Organic Frameworks

31-Aug-2020

Ethylene, a key feedstock in the chemical industry, often includes traces of acetylene contaminants, which need to be removed. In the journal Angewandte Chemie, researchers describe a robust and regenerable porous metal–organic framework that captures acetylene with extraordinary efficiency and ...

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Using the ‘shadow-effect’ to generate electricity

Novel shadow-effect energy generator uses the contrast in illumination between the lit and shadowed areas

25-May-2020

Shadows are often associated with darkness and uncertainty. Now, researchers from the National University of Singapore (NUS) are giving shadows a positive spin by demonstrating a way to harness this common but often overlooked optical effect to generate electricity. This novel concept opens up ...

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Graphene enters the stratosphere

09-Aug-2018

The Centre for Advanced Two-Dimensional Materials (CA2DM) at the National University of Singapore (NUS) has teamed up with US-based aerospace company Boreal Space to test the properties of graphene after it has been launched into the stratosphere. The results could provide insights into how ...

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Novel method to fabricate nanoribbons from speeding nano droplets

28-May-2018

An international team of researchers, affiliated with UNIST has discovered a novel method for the synthesis of ultrathin semiconductors. This is a unique growth mechanism, which yielded nanoscopic semiconductor ribbons that are only a few atoms thick. This breakthrough has been jointly conducted ...

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New insights into promising semiconductor material

12-Sep-2017

Researchers from the National University of Singapore (NUS) have established new findings on the properties of two-dimensional molybdenum disulfide (MoS2), a widely studied semiconductor of the future. In two separate studies led by Professor Andrew Wee and Assistant Professor Andrivo Rusydi from ...

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Spin dynamics in an atomically thin semi-conductor

03-Feb-2016

Researchers at the National University of Singapore (NUS) and Yale-NUS College have established the mechanisms for spin motion in molybdenum disulfide, an emerging two-dimensional (2D) material. Their discovery resolves a research question on the properties of electron spin in single layers of 2D ...

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NUS scientists use low cost technique to improve properties and functions of nanomaterials

31-Jul-2014

NUS scientists use low cost technique to improve properties and functions of nanomaterials By 'drawing' micropatterns on nanomaterials using a focused laser beam, scientists could modify properties of nanomaterials for effective applications in photonic and optoelectric applications The ...

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Diverging thermal conductivity

Physicists at the Max Planck Institute for Polymer Research show unlimited heat conduction in graphene.

20-May-2014

Scientists at the Max Planck Institute for Polymer Research (MPI-P) in Mainz and the National University of Singapore have attested that the thermal conductivity of graphene diverges with the size of the samples. This discovery challenges the fundamental laws of heat conduction for extended ...

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Novel technique opens door to better solar cells

Invention solves long-standing mystery in the physics of condensed matter; enhances understanding about interfaces between materials

16-Apr-2014

A team of scientists, led by Assistant Professor Andrivo Rusydi from the Department of Physics at the National University of Singapore's (NUS) Faculty of Science, has successfully developed a technique to study the interface between materials, shedding light on the new properties that arise when ...

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World's first fluorescent sensor to detect date rape drug

01-Apr-2014

A team of researchers from the National University of Singapore (NUS) has developed the world's first fluorescent sensor to identify the presence of a drug known as GHB that is commonly used to spike beverages. When the sensor is mixed with a sample of a beverage containing GHB, the mixture ...

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