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Category: chemistry

PCB prices have risen by up to 40% due to war in Iran, according to Reuters’ industry sources

According to “industry sources and executives” known to Reuters, the war in Iran is affecting the supply of materials that are crucial for Printed Circuit Boards (PCBs), which has made them shoot up in price. Reuters says that, cccording to Goldman Sachs, PCB prices in April shot up by as much as 40% since March.

According to the news agency, “Iran struck Saudi Arabia’s Jubail petrochemical complex in early April, forcing a halt in production of high-purity polyphenylene ether (PPE) resin—a critical base material used to ⁠manufacture PCB laminates.”

Redox chemistry of early Earth and the origin of life

Redox reactions played an important role in shaping the conditions that enabled the emergence of life on the early Earth, but how these relate to specific environmental conditions and whether they led to heterotroph or autotroph organisms remains a matter of debate. In this Review, the authors summarize and discuss evidence reconciling dominant theories — from the redox nature of the Hadean atmosphere and the presence of conditions that could have supported both heterotrophs and chemoautotrophs, to the transport of organic compounds that could have led to the emergence of life in multiple local environments.

Explosive evaporation unlocks new possibilities in 3D printing and chemical analysis

Water droplets might seem simple at first. But when nearing evaporation, a desperate power struggle of competing physical forces can emerge, with explosive effects. In a Proceedings of the National Academy of Sciences publication, researchers have taken a closer look at the physics of charged water droplets on frictionless surfaces, observing spontaneous jets of microdroplet emissions. Their insights may open new opportunities in nanoscale fabrication and electrospray ionization.

Professor Dan Daniel, head of the Droplet and Soft Matter Unit at the Okinawa Institute of Science and Technology (OIST) says, “From raindrops to spray coatings, mass spectrometry to microfluidics, sneezes to spacecraft plumes, charged droplets can show up in a surprising wealth of settings. Our observations enable new physical understanding of evaporating charged droplets, with a range of potential industrial applications.”

Mechanochemistry simplifies synthesis of challenging conductive organic molecules

Mechanochemistry is a growing field for chemical reactions that proceed in the solid state in the absence, or with minuscule amounts, of solvent added. For decades, solvents have been considered conventional for the progression of modern chemistry; nonetheless, researchers are increasingly demonstrating that mechanochemistry can synthesize complex molecules more effectively. With more progress, mechanochemistry could alleviate solvent-related environmental and financial burdens in chemical industries.

Using mechanochemistry, researchers from Nagoya University, including Koya M. Hori, Yoshifumi Toyama, and Hideto Ito successfully developed a two-step synthetic method for dihydrodinaphthopentalenes (DHDPs), conductive organic molecules that are considerably challenging to synthesize. These findings were recently published in the journal RSC Mechanochemistry on February 5, 2026. The results are expected to advance the synthesis of compounds with applications in organic materials.

Conductive organic molecules are used in increasingly essential technologies such as OLEDs in smartphone screens, solar cells for renewable energy, anti-static polymer coatings, and more. Perhaps due to their complex and expensive synthesis, however, DHDPs have not been integrated into any commercialized products.

Slower access, faster chemistry: Nanoreactor design improves catalysis by balancing molecular flow

A new study by a team at Tohoku University, published in Chemical Engineering Journal, has shown that more isn’t always better when it comes to nanoscale chemical reactions. One might think that giving reactants completely unrestricted access to a speed-boosting catalyst would be the fastest way to drive a chemical reaction. Instead, it was shown that hollow nanoreactors can work more efficiently when transport into the reaction space is slightly restricted.

A nanoreactor is a porous shell that surrounds an inner space containing catalytically active nanoparticles. The inner space where reactions occur provides a special environment which opens the door for unique and highly useful chemical reactions. Finding ways to optimize reactions in these confined spaces could help to produce a myriad of everyday products more efficiently, and at a lower price.

While it might seem like flooding this inner space would get things done the fastest, researchers found that the key to optimization involved holding back a little.

Scientists discover the “Goldilocks” secret behind life on Earth

Earth may be habitable because it got unbelievably lucky with its chemistry from the very start.

Earth may have won a cosmic chemistry lottery. Researchers found that during the planet’s earliest formation, oxygen had to be in an extremely narrow “Goldilocks zone” for two life-essential elements, phosphorus and nitrogen, to stay where life could use them. Too much or too little oxygen, and those ingredients could be lost or trapped deep inside the planet. This could reshape the search for life by showing that water alone is not enough.

Life cannot begin on a planet unless certain chemical elements are available in large enough amounts. Two of the most important are phosphorus and nitrogen. Phosphorus helps build DNA and RNA, which store and pass along genetic information, and it also plays a key role in how cells manage energy. Nitrogen is a major part of proteins, which are essential for building cells and helping them function. Without enough phosphorus and nitrogen, life cannot emerge from nonliving matter.

XXP instrument back online, marking a key milestone in high-energy upgrade to SLAC’s X-ray laser

XPP, the X-ray Pump Probe instrument at the Linac Coherent Light Source (LCLS), is back online and welcoming researchers after a complete rebuild. The overhaul has readied XPP for the significant increase in X-ray output expected from the ongoing high-energy upgrade to LCLS at the Department of Energy’s SLAC National Accelerator Laboratory. LCLS is a pioneering X-ray free-electron laser facility used by scientists around the world to capture ultrafast snapshots of natural processes.

“Completing the XPP rebuild on-time and on-budget is a key milestone for the high-energy upgrade effort, and we’re thrilled that the instrument is back to supporting researchers from around the world,” said John Hogan, project director for the LCLS high-energy upgrade. “This was a huge team effort, involving partners across SLAC’s engineering, science and project teams.”

Since its 2010 debut, XPP has enabled groundbreaking research across materials science—from quantum information storage to material dynamics across timescales—as well as studies in chemistry, physics and bioscience. Researchers have leveraged XPP to pioneer X-ray optics technologies, including cavity-based X-ray oscillators that are shaping future X-ray free-electron laser facilities.

Twisting water reveals hidden order across four molecular layers at air-water interface

Researchers from the Department of Physical Chemistry at the Fritz Haber Institute and Freie Universität Berlin have revealed the arrangement of water molecules at the interface between liquid water and air. Their findings help to better understand interfacial chemistry, which is largely determined by the specific arrangement of the water molecules. Published in Science Advances, the study shows that one parameter in particular—one that has been neglected until now—is of fundamental importance: the water twist.

Water is arguably the most important molecule on Earth. Interfaces of water play a critical role in numerous processes within physiology, at the ocean surface, and in the atmosphere. In these processes, it is primarily the incredibly thin region of water directly at the boundary that governs their behavior.

Crucially, the sheer presence of the interface perturbs the molecular structure of water, generating preferential orientations and an altered hydrogen-bond network, which give rise to profoundly different properties of water in that region. While these unique structures are at the heart of many interfacial phenomena, characterizing them is monumentally difficult.

Perovskite solar cells skip yellow phase, degrade more slowly with key additives

Halide perovskites are gaining ground on silicon as a critical material for solar cell technologies: A new study published in the journal Science reports a method to make perovskite-based photovoltaics more durable, allowing the films to attain the desirable black phase of crystal configuration quicker and at lower temperatures while also making it harder to degrade into the inactive yellow phase.

Perovskites are solution-processable materials and can be readily processed as a solution or deposited as vapor. By mixing two key ingredients in the precursor solution, Rice University chemical engineer Aditya Mohite and collaborators have developed perovskite crystalline films that retain 98% of their initial efficiency even after 1,200 hours of exposure under open-circuit voltage conditions to accelerate aging at 90 degrees Celsius (194 degrees Fahrenheit).

The two additives used were a two-dimensional perovskite, which served as a template to guide crystal growth, and formamidinium chloride, a salt molecule that regulates crystallization and has the optimal size to sustain the atomic bonds in the crystal in the right configuration. The two additives create compressive strain in the lattice, driving the formation of the black perovskite phase and stabilizing it, while also steering degradation toward a harder-to-form phase, significantly improving durability.

Room-temperature multiferroic could pave way to low-energy computing

A team of researchers at Rice University has engineered a new version of a well-known multiferroic that exhibits orders of magnitude higher performance at room temperature than its parent material. The study, published in the Proceedings of the National Academy of Sciences, describes a modified version of bismuth ferrite that shows a 10-fold increase in magnetization and 100-fold increase in magnetoelectric coupling compared to standard varieties.

The synthesis process entailed mixing bismuth ferrite with barium titanate while simultaneously growing the material as a thin film on a substrate that distorts its crystal structure.

“Nobody had ever dialed both knobs—the strain and the chemistry—at once,” said Rice materials scientist Lane Martin, who led the study. “We were able to combine two different material systems into a new material with a new structure and a new combination of properties.”

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