Probing the charge build-up and dissipation on thin PMMA film surfaces at the molecular level by XPS
Angewandte Chemie - International Edition
5488 - 5492
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What's the charge? X‐ray photoelectron spectroscopy was used to determine the charge state and dynamics of charge build‐up and decay on a thin poly(methyl methacrylate) film. The film is initially negatively charged to around −2 V and becomes progressively positively charged during the course of the XPS analysis.