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Unexpected behavior of well-known catalysts
Industrial palladium-copper catalysts change their structures before they get to work, already during the activation process. As a result, the reaction is catalyzed by a catalyst that is different from the one originally prepared for it. This surprising discovery was made by researchers from the Institute of Physical Chemistry of the Polish Academy of Sciences in Warsaw. (2013-06-19)

Illinois engineers protect artifacts by graphene gilding
Gilding is the process of coating intricate artifacts with precious metals. Ancient Egyptians and Chinese coated their sculptures with thin metal films using gilding -- and these golden sculptures have resisted corrosion, wear, and environmental degradation for thousands of years. In a new study, University of Illinois researcher Sameh Tawfick, inspired by this ancient process, has added a single layer of carbon atoms, known as graphene, on top of metal leaves -- doubling the protective quality of gilding against wear and tear. (2018-09-11)

Genetic approach helps design broadband metamaterial
A specially formed material that can provide custom broadband absorption in the infrared can be identified and manufactured using 'genetic algorithms,' according to Penn State engineers, who say these metamaterials can shield objects from view by infrared sensors, protect instruments and be manufactured to cover a variety of wavelengths. (2014-05-05)

Rice scientists ID new catalyst for cleanup of nitrites
Rice University researchers have found that gold and palladium nanoparticles can rapidly break down nitrites, a common contaminant in drinking water that often results from overuse of agricultural fertilizers. The nanoengineered catalysts were 7.5 times more efficient at reducing nitrites than previously studied catalysts made of palladium and aluminum oxide. (2013-11-25)

FSU geochemist challenges key theory regarding Earth's formation
Working with colleagues from NASA, a Florida State University researcher has published a paper that calls into question three decades of conventional wisdom regarding some of the physical processes that helped shape the Earth as we know it today. (2008-05-01)

Researchers create more efficient hydrogen fuel cells
Hydrogen fuel cells, like those found in some (2012-03-15)

Well oriented
Polypropylene (PP) is one of the most widely used plastics in the world. By controlling the spatial orientation of the propylene building blocks and additional polar components, it should be possible to create a new generation of attractive, engineered, specialty plastics, with improved wettability or enhanced degradability, based on PP. In the journal Angewandte Chemie, Japanese scientists have introduced the basis for a new class of palladium catalysts for such polymerizations. (2020-10-30)

Organic solvent system may improve catalyst recycling and create new nanomedicine uses
Noble metals such as platinum and palladium are becoming increasingly important because of growth in environmentally friendly applications such as fuel cells. A new solvent system could improve the recycling of these metals. (2010-10-28)

Chemists create adaptable metallic-cage gels
MIT chemists have created a new type of gel by linking metal organic cages with long polymer strands. (2015-11-17)

The key in the catalyst
A USC team may have found a better way to create acetic acid, used in aspirin, cosmetics and other essential products. The process could lead to cheaper ways to convert natural gas - one of the planet's most abundant resources. (2003-08-07)

A new synthesis method for three-dimensional nanocarbons
A Nagoya University team has developed a new method of synthesis for three-dimensional nanocarbons, utilizing a catalytic reaction to connect benzene rings and create an eight-membered ring structure. This represents a breakthrough in the synthesis of these nanocarbons, which are expected to be valuable next-generation functional materials. (2020-07-31)

Water was present during birth of Earth
New research by The University of Manchester and the Carnegie Institution of Washington is to make scientists rethink their understanding of how Earth formed. The team have found that volatile elements -- most likely to include water -- were present during the violent process of the Earth's birth between 30 and 100 million years after the solar system was created -- a minute period in geological terms (2010-05-13)

Cages offer new direction in sustainable catalyst design
University of Wisconsin-Madison engineers have developed a new approach to structuring the catalysts used in essential reactions in the chemical and energy fields. The advance offers a pathway for industries to wean themselves off of platinum, one of the scarcest metals in the earth's crust. (2015-07-23)

On the rebound
New research from the US Department of Energy's Argonne National Laboratory and Stanford University has found that palladium nanoparticles can repair atomic dislocations in their crystal structure, potentially leading to other advances in material science. (2018-01-19)

New visible light photocatalyst kills bacteria, even after light turned off
In the battle against bacteria, researchers at the University of Illinois have developed a powerful new weapon -- an enhanced photocatalytic disinfection process that uses visible light to destroy harmful bacteria and viruses, even in the dark. (2010-01-19)

Gold-palladium nanoparticles achieve greener, smarter production of hydrogen peroxide
A team of chemists and engineers from the US and the UK, writing in Science magazine, reports a breakthrough in the decades-long effort to produce H2O2 directly from oxygen and hydrogen and to limit its decomposition after production. A gold-palladium catalyst, placed on a carbon support pretreated with nitric acid, will make it possible to produce H2O2 on-site, eliminating the need for storage and transport, which can be hazardous. (2009-02-19)

New catalyst makes hydrogen peroxide accessible to developing world
A group of researchers from Cardiff Catalyst Institute, Lehigh University and the Department of Energy's Oak Ridge National Laboratory has developed a method of producing hydrogen peroxide on demand through a simple, one-step process. The method enables dilute H2O2 to be made directly from hydrogen and oxygen in small quantities on-site, making it more accessible to underdeveloped regions of the world, where it could be used to purify water. (2016-02-25)

Single-step hydrogen peroxide production could be cleaner, more efficient
Chemical and biological engineers at the University of Wisconsin-Madison have uncovered new insight into how the compound hydrogen peroxide decomposes. This advance, published this spring in the journal Proceedings of the National Academy of Sciences, could inform efficient and cost-effective single-step strategies for producing hydrogen peroxide. (2016-05-24)

Framework diversity of carbon nitrides offers rich platform for single atom catalysis
In a recent study, an international research team led by the group of Advanced Catalysis Engineering at ETH Zurich demonstrated that carbon nitrides of distinct framework types can serve as efficient hosts for metal atoms. The specific interaction with the host influenced the oxidation state, stability, and associated performance providing new opportunities to control and understand the properties of single-atom catalysts. (2018-05-21)

Light-controlled polymers can switch between sturdy and soft
MIT researchers have designed a polymer material that can change its structure in response to light, converting from a rigid substance to a softer one that can heal itself when damaged. (2018-07-18)

Ames Laboratory researchers rethink zinc
While they can't turn lead into gold, researchers at US Department of Energy's Ames Laboratory have discovered a new family of zinc compounds that can be tuned, or manipulated, to take on some of the physical properties and behavior of other materials. (2007-04-17)

Revolutionary process to create ether from esters using metal catalysts
Waseda University researchers have developed a new process using palladium or nickel as a catalyst for removing carbon monoxide from esters to produce ethers. This innovation allows a choice of more inexpensive and easily obtainable materials, avoids concerns about disposal of potentially hazardous halogenated waste, and provides new opportunities for development of drugs to fight cancer, malaria and more. (2017-03-03)

Research reveals mechanism for direct synthesis of hydrogen peroxide
New research from the University of Illinois at Urbana-Champaign reveals the mechanism for the direct synthesis of H2O2 on palladium cluster catalysts, and paves the way to design improved catalysts to produce H2O2 to use in place of harmful chlorine, regardless of the scale of the production facility. (2016-01-20)

Astonishing effect enables better palladium catalysts
The taste of the chocolate cake's icing should not depend on whether it is served on a porcelain or a silver plate. Similarly, for chemical reactions on the surface of large precious metal grains, the substrate (the so-called support) should not play a crucial role. Experimental studies performed at TU Wien led to surprising findings. Chemical processes on palladium grains, which are also used for exhaust gas catalysts, changed significantly when they were placed on specific support materials. (2018-05-15)

Teaching old transition metals new tricks: Chemists activate palladium catalysis by light
In the production of compounds, chemists have the goal of finding strategies that are most selective and avoid waste products. This helps to drive industrial innovation and drug development. In this context, a team of researchers at Münster University (Germany) developed a new approach to so-called allyl functionalization. The researchers use a method based on radical chemistry to produce π-allylpalladium complexes. The study has been published in the journal 'Nature Catalysis'. (2020-03-24)

Arming drug hunters, chemists design new reaction for drug discovery
Colorado State University organic chemists have forged a powerful new tool for drug hunters -- a simple, elegantly designed chemical reaction that could fling open an underexplored wing of biologically relevant chemistry. (2018-11-15)

Tecnalia revolutionizes hotel sector with smart bracelets
The Tecnalia applied research center has revolutionized the hotel sector with smart bracelets -- the Smart VIB (Very Important Bracelet) that enables clients access hotel rooms without the need for a card, make payments using the PayPal system, share experiences on social networks via the numerous tactile screens at their disposition, and receive completely personalized services according to taste, while at all times guaranteeing protection of information. (2014-08-26)

SFU scientists described the course of reactions in two-layer thin metal films
A team of researchers from Siberian Federal University (SFU) obtained thin copper/gold and iron/palladium films and studied the reactions that take place in them upon heating. Knowing these processes, scientists will be able to improve the properties of materials currently used in microelectronics. The article of the scientists was published in the Journal of Solid State Chemistry. (2018-11-16)

Silver tells a volatile story of Earth's origin
Tiny variations in the isotopic composition of silver in meteorites and Earth rocks are helping scientists put together a timetable of how our planet was assembled beginning 4.568 billion years ago. The new study, published in the journal Science, indicates that water and other key volatiles may have been present in at least some of Earth's original building blocks, rather than acquired later from comets, as some scientists have suggested. (2010-05-13)

Detecting hydrogen using the extraordinary hall effect in cobalt-palladium thin films
Scientists looking to hydrogen as a next-generation clean energy source are developing hydrogen-sensing technologies, the most common of which uses palladium-based thin films because palladium readily absorbs hydrogen gas. However, it also readily absorbs other gases, decreasing the overall efficiency of these sensors. Researchers conducted a systematic study of hydrogen detection using the Extraordinary Hall Effect to measure the hydrogen magnetization response in cobalt-palladium thin films, and reports in the Journal of Applied Physics. (2018-09-12)

Water-cleanup catalysts tackle biomass upgrading
Rice University chemical engineer Michael Wong has spent a decade amassing evidence that palladium-gold nanoparticles are excellent catalysts for cleaning polluted water, but even he was surprised at how well the particles converted biodiesel waste into valuable chemicals. (2014-06-26)

Manipulating ligands
Chemists at TU Dresden succeeded in fabricating surface-clean noble metal aerogels boosting the electrocatalysis performance by revisiting ligand chemistry. Publication in Angewandte Chemie International Edition. (2020-03-24)

Harnessing light for a solar-powered chemical industry
Chemical manufacturing accounts for 10 percent of global energy consumption and 7 percent of industrial greenhouse gas emissions. In the US, it uses more energy than any other industry. Now researchers have developed a new nano-enhanced material that can capture 99% of light and convert it to power chemical reactions. As well as reducing the environmental impact of chemical manufacturing, the innovation could in future help deliver technologies like better infrared cameras and solar-powered water desalination. (2019-01-30)

Scientists got one step closer to solving a major problem of hydrogen energy
A team of scientists from Far Eastern Federal University (FEFU) together with their colleagues from Austria, Turkey, Slovakia, Russia (MISIS, MSU), and the UK found a way to hydrogenate thin metallic glass layers at room temperature. This technology can considerably expand the range of cheap, energy-efficient, and high-performance materials and methods that can be used in the field of hydrogen energy. An article about the study was published in the Journal of Power Sources. (2020-09-29)

New chemical synthesis could streamline drug design
A team of MIT chemists has devised a new way to add fluorine to a variety of compounds used in many drugs and agricultural chemicals, an advance that could offer more flexibility and potential cost-savings in designing new drugs. (2009-08-13)

Better catalysts will remove carcinogenic chlorine compounds from water
The Institute of Physical Chemistry of the Polish Academy of Sciences in Warsaw has just unveiled two new catalysts developed in close cooperation with the Jagiellonian University in Cracow and the Jan Kochanowski University in Kielce. The catalysts have been designed with the effective treatment of tap water in mind, eliminating harmful chlorine compounds. (2015-11-19)

Scientists suggested a method to improve performance of methanol fuel cells
Fuel cells based on methanol oxidation have a huge potential in the motor and technical industries. To increase their energy performance, scientists suggest using electrodes made of thin palladium-based metallic glass films. A group of researchers from Far Eastern Federal University (FEFU), Austria, Turkey, Switzerland, and the UK has developed a new metallic glass for this application. The results were reported in the Nanoscale journal. (2020-12-22)

Understanding catalytic couplings: not all synergies are simple
Negishi cross-coupling reactions have been widely used to form C-C bonds since the 1970s and are often perceived as the result of two metals (i.e zinc and palladium/nickel) working in synergy. Researchers from the Martin group at ICIQ have delved into the Negishi cross-coupling of aryl esters using nickel catalysis to understand how this reaction works at the molecular level and how to improve it. The results have been published in Nature Catalysis. (2021-02-08)

Removing a hydrogen fuel-cell roadblock
Researchers at Ames Laboratory are looking for a substitute for the precious metal palladium that can filter hydrogen gas for use in commercial scale hydrogen fuel-cell technology. (2007-03-26)

RUDN chemist tested a new nanocatalyst for obtaining hydrogen
A chemist from RUDN was the first to use catalysts with ruthenium nanoparticles to obtain hydrogen under the influence of visible light and UV radiation. In the future, such catalysts may be used for large-scale production of hydrogen fuel under the influence of sunlight. The results of the study were published in Applied Catalysis B: Environmental. (2018-10-16)

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