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This article is dedicated to Professor Fred Wudl on the occasion of his 70th birthday. For nearly five decades, Fred has been at the forefront of the field of conducting and semiconducting organic materials; his impact on our research has been invaluable. We are deeply grateful for all we have learned from him and for his friendship. This work has been partially supported by the Office of Naval Research and the Center for Advanced Molecular Photovoltaics (Award No. KUS-C1-015-21 given by King Abdullah University of Science and Technology, KAUST).