School of Chemistry and Chemical Engineering Key Laboratory for Thin Film and Microfabrication of the Ministry of Education Shanghai Jiao Tong University Shanghai 200240 China;
Advanced Lubricating Materials Laboratory Shanghai Advanced Research Institute Chinese Academy of Sciences Shanghai 201210 China Laboratory for Surface Technology and Tribology University of Twente Enschede 7500AE the Netherlands;
Laboratory for Surface Technology and Tribology University of Twente Enschede 7500AE the Netherlands TU Delft Faculty of Civil Engineering and Geosciences Stevinweg 1 Delft 2628 CN the Netherlands;
