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9 Current news of Peking University
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Imprinted Color Patterns
Azopolymer material allows light-assisted imprinting of nanostructures for structurally colored surfaces
17-Jan-2020
Structural colors appear because the imprinted pattern on a surface changes the wavelengths of light. Chinese scientists have introduced an azopolymer that allows the imprinting of nanopatterns in a novel room-temperature lithographic process. A key aspect of the technique is the light-induced ...
Meter-sized single-crystal graphene growth becomes possible
25-Aug-2017
"Preparation determines the future". Since the discovery of graphene, the synthesis of graphene has long been a hot spot in graphene community. Using transition metals such as Cu or Ni as substrate, scientists have realized the preparation of large-area graphene films. Especially, high-quality ...
Revolutionary discovery leads to invention of new 'building blocks'
University of Akron polymer researchers create a new class of hybrid materials
27-Apr-2015
Polymer science will have to add a new giant molecule to its lexicon thanks to a cutting-edge discovery at The University of Akron. Taking a revolutionary "building blocks" approach, researchers have pioneered a way to create a new class of very large polymer molecules, called macromolecules, ...
Penta-graphene, a new structural variant of carbon, discovered
10-Feb-2015
Researchers at Virginia Commonwealth University and universities in China and Japan have discovered a new structural variant of carbon called "penta-graphene" - a very thin sheet of pure carbon that has a unique structure inspired by a pentagonal pattern of tiles found paving the streets of ...
Researchers show applied electric field can significantly improve hydrogen storage properties
05-Feb-2010
An international team of researchers has identified a new theoretical approach that may one day make the synthesis of hydrogen fuel storage materials less complicated and improve the thermodynamics and reversibility of the system. Many researchers have their sights set on hydrogen as an ...
Carbon Nanotube Sponges: Tough Water-Repellent Sponges Absorb Oils and Solvents up to 180 Times Their Own Weight
10-Nov-2009
Scientists have invented a carbon-based sponge that can soak up organic pollutants, such as oils and solvents, from the surface of water. No water is absorbed and the sponge can then be wrung out and reused, like an ordinary household sponge. Absorbing up to 180 times its own weight in organic ...
Researchers design new graphene-based, nano-material with magnetic properties
A possible pathway to simply synthesize ferromagnetic graphene
04-Sep-2009
An international team of researchers has designed a new graphite-based, magnetic nano-material that acts as a semiconductor and could help material scientists create the next generation of electronic devices like microchips. The team of researchers from Virginia Commonwealth University; Peking ...
Photoelectric switch
08-Apr-2009
A collaboration of scientists from various Beijing institutes, have made a pH-switchable, DNA-quantum dot hybrid that can also generate a photocurrent depending on the pH, allowing DNA to change conformation from a quadruplex to a double strand. Zhiyong Tang, Dongsheng Liu and colleagues from ...
Nanotechnology Goes Out on a Wing
Insect wings used to pattern nanoscale structures
02-Nov-2006
What does a colorful and noisy backyard insect have to do with nanotechnology? Plenty, according to Jin Zhang and Zhongfan Liu, both professors at Peking University. A team of researchers led by Zhang and Liu have used the wings of cicadas, ubiquitous insects best known for their acoustic skills, ...
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