Fig. 5: Surface treatment on TPP-modified NCs.

a Scheme of TPP and In³⁺ treatment of CdSe/CdZnSeS/ZnS NCs capped with OA and the PLQY of each stage. b ¹HNMR of free OA, OA-capped NCs, free TPP, TPP-modified NCs, and In³⁺-treated NCs. The dashed-frame area is magnified in (c). d ³¹PNMR of TPP-modified NCs and In³⁺-treated NCs.