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Exploring the Optical and Electronic Properties of Xylindein, a Fungus-Derived Pigment, as a Sustainable Organic Semiconductor

Creator:

Quinn, Alexander

Abstract:

Xylindein is an organic pigment derived from Chlorociboria aeruginascens and C. aeruginosa fungi that has shown promise as an organic semiconductor. Preliminary estimates of charge carrier mobilities (CCMs) on the order of 0.1 cm2/Vs were calculated from early tests on xylindein thin films, and photocurrents were also observed under laser...

Resource Type:

Undergraduate Thesis

Full Text:

directly from fungal culture by the research team of Dr. Sara Robinson (Oregon State University, Department
An Exploration Into The Ever-changing Expanse of Non-periodic Tilings

Creator:

Tassin, Ian

Abstract:

This paper synthesizes various works Wang tiles up to this point, including: the reduction from the Halting Problem to Wang Tiling Problem and notions around various aspects of periodicity, including minimal period, aperiodicity, and axis-aligned periodicity. Additionally it includes new work, including: a proof that a tiling can be periodic...

Resource Type:

Honors College Thesis

Full Text:

set would be called an aperiodic tile set. In 1966, one of Wang’s students, Robert Berger, created