Research Stories

Showing 21 to 30 of 307 results
Making Green Hydrogen Production More Efficient and Durable
09 Jul 2025
A new type of catalyst—a material that speeds up chemical reactions—that could make the production of clean hydrogen fuel more efficient and long-lasting has been developed by a team led by City University of Hong Kong, comprising researchers from Hong Kong, mainland China, and Japan.
CityUHK Scientists Develop Switchable WS₂ Nanosheets for Smarter Electronics and Sensors
27 Mar 2025
Researchers from City University of Hong Kong (CityUHK) have achieved a breakthrough in nanomaterials by developing a precise, scalable method to produce phase-switchable WS₂ nanosheets, paving the way for next-generation electronics, sensors, and wearable technologies.
Breakthrough in Bionic Vision Technology Mimics Birds' Extraordinary Sight
24 Feb 2025
Scientists at City University of Hong Kong (CityUHK) have developed a groundbreaking wearable bionic device that replicates birds' exceptional visual capabilities and operates with a near-zero power consumption. This innovation represents a significant leap toward creating more efficient and advanced machine vision systems, with the potential to revolutionize how autonomous systems interact with their surroundings.
CityUHK Scientists Pioneer Next-Generation Radar for 6G Networks
27 Jan 2025
In a breakthrough in radar technology, researchers from the City University of Hong Kong (CityUHK) have developed the world's first integrated photonic millimeter-wave radar chip, achieving unprecedented precision in a remarkably compact device. This breakthrough represents a significant step forward in the development of Integrated Sensing and Communication (ISAC) networks, paving the way for more sophisticated and capable 6G technologies.
Breakthrough in Low-Temperature Copper Bonding Technology Enables Next-Generation Electronics Manufacturing
16 Jan 2025
Researchers from the City University of Hong Kong (CityUHK) have achieved a significant breakthrough in electronic packaging technology by developing an innovative nanocrystalline (NC) copper material that enables direct copper-to-copper bonding at lower temperatures. This advancement opens new possibilities for advanced chip design, which is crucial for many next-generation technologies.
Reducing Energy Loss in Metal Nanostructures
10 Oct 2024
Researchers at City University of Hong Kong (CityUHK) have made a groundbreaking discovery, significantly reducing energy loss in metal nanostructures. By altering the geometrical dimensions of these structures, researchers have unlocked their full potential, paving the way for the development of more powerful and efficient nanoscale optical devices.
Enhancing semiconductor functionality with TeSeO Materials for future electronics
26 Sep 2024
In most inorganic semiconductors, electrons serve as the primary charge carriers, which limits the development of complementary devices and circuits. A recent study by City University of Hong Kong (CityUHK) researchers has made significant strides in enhancing the mobility of positively charged carriers, known as "holes", in inorganic semiconductors. The research team achieved this breakthrough by employing an innovative inorganic blending strategy, combining various intrinsic p-type inorganic materials into a single compound, called tellurium-selenium-oxygen (TeSeO).
Hydrogel device enables painless transdermal delivery of nucleic acids
15 Aug 2024
Nucleic acid (NA)-based medicine has been a focal point of research over the past two decades and has shown immense promise for both therapeutics and vaccines. The rapid development and deployment of NA-based vaccines during the COVID-19 pandemic underscored their potential. However, the efficient in vivo delivery of these nucleic acids, particularly when cytosolic delivery is required without leaving residual materials in the body, has remained unsolved.
Unveiling the secret of the stingray's electric blue
18 Jul 2024
City University of Hong Kong (CityUHK) researchers have uncovered a unique mechanism for producing the brilliant blue skin of ribbontail stingrays. This discovery sheds light on how nature can create vibrant colors through the particular arrangements of nanostructures, a process known as structural coloration. This research delves into the fascinating world of natural optics, revealing a novel approach to color production that could inspire new technologies for creating robust, chemistry-free colors on a variety of materials.
Innovative solar steam generation breakthrough
04 Jul 2024
Solar steam generation (SSG) is recognized as a sustainable technology for seawater desalination, but its practical applications have been hampered by salt fouling, which compromises the evaporation performance and lifespan of evaporators. Addressing this issue, a research team from City University of Hong Kong (CityUHK) has developed a groundbreaking solution - a hierarchical salt-rejection (HSR) strategy that prevents salt precipitation during long-term evaporation, even in high-salinity brine. This innovative research is a significant step forward in advancing various applications such as resource recovery and offshore farming, thereby paving the way for a more sustainable future.