University Chemistry ›› 2026, Vol. 41 ›› Issue (4): 324-328.doi: 10.12461/PKU.DXHX202503104

Special Issue:

• Science Education • Previous Articles    

“Cobalt” reveals its colorful charm

Yibo Yang, Yuqi Zeng, Yan Liu, Chunhuan Qu   

  1. College of Chinese Materia Medica, Chongqing University of Chinese Medicine, Chongqing 402760, China
  • Received:2025-03-26 Accepted:2025-06-10 Published:2026-04-24
  • Contact: Chunhuan Qu E-mail:quchunhua1@cqctcm.edu.cn

Abstract: This article employs the narrative of Daisy's accidental entry into a cobalt complex doll city to introduce readers to the vibrant world of cobalt complexes, elucidating the origin of their diverse coloration. Through chemical explanations of the color variations in cobalt complexes, the study unveils the underlying principles governing their chromatic properties.

Key words: Cobalt complexes, Color variation, Chromotropic mechanism