Chem. Commun., 2025, Accepted Manuscript DOI: 10.1039/D5CC03311J, Communication Bihan Li, Yongpeng Xiao, Zheng Qi, Shixin Chang, Mengxue Yu, Zhigao Xu, Zaiwang Zhao, Sónia A.C. Carabineiro, Kangle Lv CdS nanoparticles with engineered Cd vacancies were synthesized by adjusting the starting materials of CdCl2•2.5H2O and Na2S•9H2O. Optimal performance was achieved at a Cd:S ratio of 1:2, yielding a 3.4-fold...