Penn Researchers Discover New Method for Making Graphene Alternative

In a study published in the journal Nature Communications, a research team led by Professor of Physics and Astronomy Charlie Johnson revealed a new technique for making molybdenum disulfide, a potential graphene competitor. Graphene, a single-atom-thick lattice of carbon atoms, is often touted as a replacement for silicon in electronic devices due to its high conductivity and thinness. Molybdenum disulfide would be superior to graphene in that it is possible to turn its conductivity on and off, and it emits light, meaning it could be used in applications like LEDs, self-reporting sensors, and optoelectronics.

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Arts & Sciences News

Julia Hartmann Named Fay R. and Eugene L. Langberg Professor in Mathematics

She specializes in algebra and arithmetic geometry, a newer field that applies techniques from algebraic geometry to solve problems in number theory and co-developed the method of field patching.

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Holger Sieg Named Baird Term Professor of Economics

Sieg focuses his research on public and urban economics, as well as the political economy of state and local governments.

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Frank Schorfheide Named Christopher H. Browne Distinguished Professor of Economics

His research provides a set of tools that are useful for empirical work with modern macroeconomic models, including forecasting and policy analysis.

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Corinn Harrell Named Vice Dean for Finance and Administration

The role oversees finance and budget, facilities, staff human resources, and computing. Harrell had held the interim position since September.

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Taussia Boadi, C’24, and Cheryl Nnadi, C’24, Honored as Projects for Progress Winners

The pair, along with Ariane Thomas of Penn GSE, won for Positioned for Success, which provides academic support and enrichment to Philadelphia middle school students in the child welfare system affected by gun violence or parental incarceration.

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Hear the Latest Research by Penn Arts & Sciences Graduate Students at Penn Grad Talks February 23

Twenty students will present their work in eight-minute TED-style talks. Cash prizes are on the line.

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