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Tag: Department of Chemistry

October 31, 2019

New technique lets researchers map strain in next-gen solar cells

an image showing the surface of a solar cell, and which sections of the surface are susceptible to heat loss

Researchers from the University of Washington and the FOM Institute for Atomic and Molecular Physics in the Netherlands have developed a way to map strain in lead halide perovskite solar cells. Their approach shows that misorientation between microscopic perovskite crystals is the primary contributor to the buildup of strain within the solar cell, which creates small-scale defects in the grain structure, interrupts the transport of electrons within the solar cell, and ultimately leads to heat loss through a process known as non-radiative recombination.

October 15, 2019

UW’s Ashleigh Theberge receives Packard Fellowship for research on cell communication signals

Person looking at camera

Ashleigh Theberge, a University of Washington assistant professor of chemistry, has been named a 2019 Packard Fellow for her research on cell signaling. Every year since 1988, the David and Lucile Packard Foundation has awarded Packard Fellowships in Science and Engineering to early-career scientists to pursue the types of innovative projects that often fall outside the purview of traditional sources of funding, such as research grants from government agencies. As one of 22 fellows for 2019, Theberge will receive $875,000…

August 12, 2019

First cells on ancient Earth may have emerged because building blocks of proteins stabilized membranes

Scientists have discovered that the building blocks of proteins can stabilize cell membranes. This finding may explain how the first cells emerged from the primordial soup billions of years ago: The protein building blocks could have stabilized cell membranes against salt and ions that were present in ancient oceans. In addition, membranes may have been a site for these precursor molecules to co-localize, a potential mechanism to explain what brought together the ingredients for life.

August 9, 2019

Scientists can now control thermal profiles at the nanoscale

Scientists have designed and tested an experimental system that uses a near-infrared laser to actively heat two gold nanorod antennae — metal rods designed and built at the nanoscale — to different temperatures. The nanorods are so close together that they are both electromagnetically and thermally coupled. Yet the team measured temperature differences between the rods as high as 20 degrees Celsius and could change which nanorod was cooler and which was warmer, even though the rods were made of the same material.

June 21, 2019

New awards for UW research to probe solar cell defects, develop energy-boosting coatings

The U.S. Department of Energy Solar Energy Technologies Office selected two University of Washington professors in the Department of Chemistry and the Clean Energy Institute to receive nearly $1.5 million in funding for two separate endeavors in solar photovoltaic research. The projects are led by Daniel Gamelin, director of the UW-based Molecular Engineering Materials Center, and David Ginger, chief scientist at the CEI and co-director of the Northwest Institute for Materials Physics, Chemistry and Technology, a partnership between the UW and the Pacific Northwest National Laboratory.

December 6, 2018

Two-dimensional materials skip the energy barrier by growing one row at a time

Picture of how small protein molecules interact with one another.

A new collaborative study led by a research team at the Pacific Northwest National Laboratory, University of California, Los Angeles and the University of Washington could provide engineers new design rules for creating microelectronics, membranes and tissues, and open up better production methods for new materials.

August 3, 2018

UW, PNNL to host energy research center focusing on bio-inspired design and assembly

The U.S. Department of Energy has awarded an expected $10.75 million, four-year grant to the University of Washington, the Pacific Northwest National Laboratory and other partner institutions for a new interdisciplinary research center to define the enigmatic rules that govern how molecular-scale building blocks assemble into ordered structures and give rise to complex hierarchical materials.

April 25, 2018

Breaking bottlenecks to the electronic-photonic information technology revolution

Switch rendering

Researchers at the University of Washington, working with researchers from the ETH-Zurich, Purdue University and Virginia Commonwealth University, have achieved an optical communications breakthrough that could revolutionize information technology. They created a tiny device, smaller than a human hair, that translates electrical bits (0s and 1s of the digital language) into light, or photonic bits, at speeds 10s of times faster than current technologies.

March 23, 2017

UW Chemistry to establish a prestigious postdoctoral fellowship thanks to $12 million commitment from professor emeritus Larry Dalton and Nicole Boand

Building upon a long legacy of supporting scientific innovation and education, professor emeritus Larry Dalton and his wife, Nicole Boand, have committed $12 million to the UW Department of Chemistry.

December 1, 2016

For the first time, scientists catch water molecules passing the proton baton

Water conducts electricity, but the process by which this familiar fluid passes along positive charges has puzzled scientists for decades. But in a paper published in the Dec. 2 in issue of the journal Science, an international team of researchers has finally caught water in the act — showing how water molecules pass along excess charges and, in the process, conduct electricity.

May 27, 2016

UW researchers illuminate ways to heal defects in solar cells

Microscopic image of a crystal

Electrical energy fuels our modern lives, from the computer screen that keeps us up after sunset to the coffee maker that greets us at sunrise. But the electricity underlying our 21st century world, by and large, is generated at a cost — through the unsustainable expenditure of fossil fuels. For decades this demand for cheap, fast and non-renewable electricity has promoted pollution and global warming. The key to reversing this downward spiral is deleting the “non” in “non-renewable electricity.” In…

May 16, 2016

US-India collaboration finds molecular signatures of severe malaria

Malaria parasites infecting a red blood cell.

The malaria parasite can cause unusually severe cases of the eponymous disease in patients, leading to higher mortality and poorer health outcomes among survivors. But scientists have long struggled to understand why some patients develop severe malaria. The University of Washington’s International Center of Excellence for Malaria Research in South Asia — along with partners at the Center for Infectious Disease Research (CIDR) and Goa Medical College (GMC) of India — have discovered that specific types of parasite proteins, when…

August 3, 2015

Crystals form through a variety of paths, with implications for biological, materials and environmental research

Artist's rendition of calcium carbonate crystals.

Crystals play an important role in the formation of substances from skeletons and shells to soils and semiconductor materials. But many aspects of their formation are shrouded in mystery. Scientists have long worked to understand how crystals grow into complex shapes. Now, an international group of researchers has shown how nature uses a variety of pathways to grow crystals beyond the classical, one-piece-at-a-time route. “Because crystallization is a ubiquitous phenomenon across a wide range of scientific disciplines, a shift in…