Science

Scientists count electric charges in a single catalyst nanoparticle down to the electron

Researchers demonstrated the direct counting of small electric charges in individual catalyst nanoparticles. Ultrahigh sensitivity and precision electron holography improved by the developed noise reduction process revealed the potential distribution around a platinum nanoparticle on a surface of titanium oxide and identified the individual nanoparticle's charge state — the number and sense (positive or negative) of the charge. This sophisticated microscopy technique will be key for developing highly functional catalysts.Read More

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