Impedance Spectroscopy on Polymer-Fullerene Solar Cells
Key words: Organic Solar Cells; Bulk Heterojunction; Impedance Spectroscopy; Equivalent Circuit.
M. Knipper, J. Parisi, K. Coakley, C. Waldauf, C. J. Brabec, and V. Dyakonov
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490
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Alkanes with Greatest Estrada Index
Key words: Estrada Index; Alkanes; Extremally Branched Alkanes; Molecular Graph; Volkmann Tree.
I. Gutman, B. Furtula, V. Markovi\'c, and Biljana Gli\svi\'c
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495
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