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Novel photocatalyst effectively turns carbon dioxide into methane fuel with light

Nature-inspired photocatalysis

04-Feb-2021

Carbon dioxide (CO2) is one of the major greenhouse gases causing global warming. If carbon dioxide could be converted into energy, it would be killing two birds with one stone in addressing the environmental issues. A joint research team led by City University of Hong Kong (CityU) has developed ...

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Anions Matter

Zinc-ion hybrid capacitors with ideal anions in the electrolyte show extra-long performance

18-Nov-2020

Metal-ion hybrid capacitors combine the properties of capacitors and batteries. One electrode uses the capacitive mechanism, the other the battery-type redox processes. Scientists have now scrutinized the role of anions in the electrolyte. The results, which have been published in the journal ...

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A novel method to monitor molecular aggregation

16-Jan-2019

Chiral molecules are defined as molecules that are non-superimposable on their mirror image, much like that of left and right human hand bone structure. There are many examples of chiral molecules in nature, including proteins and deoxyribonucleic acid (DNA). The dynamic processes of these chiral ...

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The world's first-ever 4D printing for ceramics

20-Aug-2018

A research team at City University of Hong Kong (CityU) has achieved a ground-breaking advancement in materials research by successfully developing the world's first-ever 4D printing for ceramics, which are mechanically robust and can have complex shapes. This could turn a new page in the ...

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A smart safe rechargeable zinc ion battery based on sol-gel transition electrolytes

23-Jul-2018

The thermal runaway issue has been a long-standing obstacle impeding the development of high energy density and high power delivery batteries. These batteries would generate a lot of heat in ultrafast charge/discharge process or hazardous conditions, such as overcharging and short-circuit. To ...

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Solar cells with highest power conversion efficiency developed

14-Apr-2016

Perovskite solar cells first appeared in 2009 with an efficiency of just 3.8%. With the outstanding photovoltaic properties, perovskite solar cell has become a subject of vigorous research for sustainable power generation, with researchers around the world finding new ways to increase its energy ...

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Chemists develop new strategy to synthesize molecule

12-Apr-2016

A team of researchers led by Professor Pauline Chiu from Department of Chemistry, the University of Hong Kong, has successfully achieved a formal total synthesis of cortistatin A, a molecule which could help mitigate the growth of cancer tumours. This novel strategy of synthesizing the molecule ...

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Challenging observations of 2-D melting and surface premelting at the single-particle level

17-Mar-2016

The surface of a solid often melts into a thin layer of liquid even below its melting point. Such surface premelting is prevalent in all classes of solids; for instance, two pieces of ice can fuse below 0°C because the premelted surface water becomes embedded inside the bulk at the contact point ...

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BASF expands production capacity for emollients and waxes in China

15-Oct-2015

BASF will expand its emollients and waxes production capacity with a new plant at its site in Jinshan, Shanghai. The investment, complementing the current production of wax esters, emulsifiers and primary surfactants in Jinshan, will further enhance BASF’s local production and better serve the ...

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A droplet's pancake bounce

New discovery about how surface gradients influence droplet behavior may enable novel surfaces

06-Aug-2015

Studies of the impact a droplet makes on solid surfaces hark back more than a century. And until now, it was generally believed that a droplet's impact on a solid surface could always be separated into two phases: spreading and retracting. But it's much more complex than that, as a team of ...

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