James Johns

portrait of Professor James Johns

James Johns

Assistant Professor, Department of Chemistry


Smith Hall
Room 39
207 Pleasant Street Se
Minneapolis, MN 55455

B.S. University of Virginia, 2004

Ph.D. University of California, Berkeley, 2010 (Charles Harris)

Post Doctorate Northwestern University, 2011-2013 (Mark Hersam)

Research Interests

Experimental Physical Chemistry, Scanning Probe Microscopy

Nanoscience & Materials Chemistry, 2D materials, Organic Semiconductors

Chemical Physics, Charge and Exciton Transfer

Energy & Catalysis

Research in the Johns lab focuses on chemical control of electronic processes at surface, 2D materials, and material interfaces. We are combining atomic and molecular resolution imaging techniques such scanning tunneling microscopy and atomic force microscopy with ultrafast spectroscopy to determine how the structure of material interfaces can facilitate or hinder charge transfer in photovoltaic and photocatalytic systems. We are also developing new methods for synthesizing monolayer thick materials so that they can be used for wide scale electronic and optical devices. Students in our lab gain exposure to a wide range of techniques including chemical vapor deposition, ultrafast spectroscopy, surface characterization and scanning probe microscopy.