1. Department of Applied Chemistry and Center for Emergent Functional Matter Science National Yang Ming Chiao Tung University Hsinchu 30010 Taiwan
2. Laboratory for Photochemistry and Spectroscopy Division for Molecular Imaging and Photonics Department of Chemistry Katholieke Universiteit Leuven Leuven 3001 Belgium
3. Institut Químic de Sarrià Universitat Ramon Llull Via Augusta 390 Barcelona 08017 Spain
4. Laser Science Laboratory Toyota Technological Institute Tenpaku‐ku Nagoya 468‐8511 Japan
5. Max Planck Institute for Polymer Research 55128 Mainz Germany