Desorption of n-Alkanes from HOPG

q‰à / q = 106.6 independent of chain length

Significant rotational & translational

excitation in transition state

Decreasing energy per CH2

Smaller fraction of chain adsorbed at Tdes

Increasing entropy penalty for self_assembly?

‰c proceeds in steps

K. R. Paserba and A. J. Gellman J. Chem. Phys. 115(14), 6737 (2001)

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