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. 2020 Aug 28;11:4354. doi: 10.1038/s41467-020-18216-y

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — The heat of desorption increases with annealing time, faster kinetics are observed at higher temperatures (448 K blue down-pointed triangles, 458 K cyan circles, 468 K green up-pointed triangles). Vertical arrows indicate the values of τ_eq, the timescale to reach a plateau in the enthalpy of desorption, at each temperature. Error bars account for the uncertainty in the determination of the intensity of the overshoot. In the inset, red stars indicate the values of τ_eq, whereas the red line is obtained from the temperature dependence of the segmental mobility, taken from ref. ²⁴. Error bars account for the uncertainty in the determination of the time necessary to reach a constant ΔH_des value in the data set shown in the main panel of the same figure.