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Tuning Electrode Surfaces to Optimize Solar Fuel Production


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Tuning Electrode Surfaces to Optimize Solar Fuel Production
An electrode material with modified surface atoms generates more electrical current, which drives the sunlight-powered reactions that split water into oxygen and hydrogen a clean fuel
February 18, 2021
Through a tight coupling of experiment and theory, scientists showed at the atomic level how changes in the surface composition of a photoelectrode play a critical role in photoelectrochemical performance.
UPTON, NY Scientists have demonstrated that modifying the topmost layer of atoms on the surface of electrodes can have a remarkable impact on the activity of solar water splitting. As they reported in
Nature Energy on Feb. 18, bismuth vanadate electrodes with more bismuth on the surface (relative to vanadium) generate higher amounts of electrical current when they absorb energy from sunlight. This photocurrent drives the chemical reactions that split water into oxygen and hydrogen. The hydr ....

United States , Mingzhao Liu , Giulia Galli , Kyoung Shin Choi , Chenyu Zhou , Wennie Wang , Dongho Lee , Catalysis Group Of The Center , Galli Group , Nature Energy On Feb , National Science Foundation , Us Department Of Energy , University Of Wisconsin , Stony Brook University , Catalysis Group , Choi Group , Office Of Science , University Of Chicago , Argonne National Laboratory , University Of Chicago Research Computing Center , Brookhaven National Laboratory , Tuning Electrode Surfaces , Optimize Solar Fuel , Nature Energy , Interface Science , Functional Nanomaterials ,

Study Reveals Platinum's Role in Clean Fuel Conversion


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Study Reveals Platinum s Role in Clean Fuel Conversion
Identifying specific platinum atoms activated in a water gas shift reaction catalyst could guide the design of less costly efficient catalysts
February 10, 2021
Lead author Yuanyuan Li, a research scientist at Stony Brook University s Materials Science and Chemical Engineering Department who has a guest appointment in Brookhaven Lab s Chemistry Division, performs an analysis on a sample using an infrared spectrometer.
UPTON, NY Scientists at the U.S. Department of Energy’s Brookhaven National Laboratory, Stony Brook University (SBU), and other collaborating institutions have uncovered dynamic, atomic-level details of how an important platinum-based catalyst works in the water gas shift reaction. This reaction transforms carbon monoxide (CO) and water (H ....

United States , Yuanyuan Li , Lihua Zhang , Sanjaya Senanayake , Anatoly Frenkel , Brookhaven Lab , Nature Communications , University Of Maryland , National Institute Of Standards , University Of Illinois , Office Of Science , Argonne National Laboratory , Royal Institute Of Technology , Stony Brook University Materials Science , Brookhaven National Laboratory , Arizona State University , Brookhaven Lab Chemistry Division , Brookhaven Chemistry Division , Brookhaven Center , Stony Brook University , Chemical Engineering Department , Study Reveals Platinum , Clean Fuel , Materials Science , Chemistry Division , Functional Nanomaterials ,