X.Y. Zhang, N. Tagmatarchis, Z.-S. Wu and N. Martín

Small, 2026, accepted.

We are deeply grateful to the brilliant scientists who contributed to this special issue, generously sharing their cutting-edge research and helping to shape a compelling vision of the field’s future. Their enthusiasm and dedication made this collection not only possible but truly inspiring. We also extend our sincere appreciation to the broader scientific community, whose pioneering studies—cited throughout this issue—laid the essential groundwork for these advances. Our heartfelt thanks go to the outstanding team at Wiley-VCH, particularly the editorial staff of Small, for their enthusiasm, precision, and unwavering support from the moment we proposed this special issue. A special tribute goes to Dr. Lisa Smith, whose editorial expertise, energy, and thoughtful guidance were key to transforming our concept into a vibrant and impactful reality.