University of Nebraska Kearney

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Chemistry

The Exstrom Group in Action!

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The 2006-2007 UNK Solar Cell Materials Research Group!  Left to Right:  Prof. Scott Darveau, Dr. Jiri Olejnicek, Ashley Vandeventer, Matt Ingersoll, Andrea Martinez-Skinner, Anatole Mirasano, Ashley Wegener, Prof. Christopher Exstrom, Ty Haussler, Pete Longo

selenization machine 

Custom-built selenization apparatus used to add selenium to copper-indium-boron alloy films.  The sample film is contained in a graphite holder in the center of the quartz tube surrounded by a halogen lamp heater.

 

Skinner and Udey

Andrea Martinez-Skinner (left) and Ruth Udey (right, '06 graduate) model the latest fashion for cleaning glass substrates with hydrofluoric acid.

 

Vandeventer and Longo

Ashley Vandeventer (left) and Pete Longo (right) proudly show the first batch of CdS films they prepared by chemical bath deposition.

 

Preston Larson

Preston Larson prepares to filter a reaction solution that contains a novel diphosphine-bridged solvatochromic (color-changing) molybdenum product.