Researchers invent self-charging, ultra-thin device that generates electricity from air moisture

This rechargeable fabric-like ‘battery’ provides higher electrical output than a conventional AA battery

19-Aug-2022 - Imagine being able to generate electricity by harnessing moisture in the air around you with just everyday items like sea salt and a piece of fabric, or even powering everyday electronics with a non-toxic battery that is as thin as paper. A team of researchers from the National University of ...

Breakthrough application of moisture-trapping film to reduce heat stress in personal protective suits

New composite film brings down the heat index or ‘felt air temperature’ by about 40%

29-Mar-2022 - A team of researchers from the National University of Singapore (NUS) has developed a novel super-hygroscopic material that enhances sweat evaporation within a personal protective suit, to create a cooling effect for better thermal comfort for users such as healthcare workers and other frontline ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...