es.                                                                                                                                                  \[[@B00-materials-00-00000]\]                                                                                                                                                                                                                                                                                   SFE increased from 00.0 to 00 mJ/m^0^.                                                                                                                                                                                                                                                                                                                                                                                                                  Low-pressure oxygen plasma             −