Nanographenes and Graphene Nanoribbons with Zigzag-Edged Structures.- Bottom-Up Synthesis of Graphene Nanoribbons on Surfaces.- Surface-Assisted Reaction Under Ultrahigh Vacuum Conditions.- On-Surface Polymerization: From Polyarylenes to Graphene Nanoribbons and Two-Dimensional Networks.- Rational Synthesis of Fullerenes, Buckybowls, and Single-Walled Carbon Nanotubes by a Surface-Assisted Approach.- Chemical Synthesis of Carbon Nanomaterials Through Bergman Cyclization.