초록 |
CsPbX3 perovskite nanocrystals (Cs-PeNCs) have been extensively studied for optoelectronic applications such as solar cells, light-emitting diodes (LEDs), and photodetectors due to their tunable bandgap, high photoluminescence (PL) quantum yield, and high light absorption. Cs-PeNCs are typically synthesized by either hot-injection or antisolvent reprecipitation using organic ligands such as oleic acid (OA) and oleylamine (OAm). However, these ligands form weak monodentate bonds with ionic Cs-PeNCs, reducing their stability. Here, we show the facile synthesis of stable nanoclusters of Cs-PeNCs using an amphiphilic copolymer template without OA and OAm. The obtained Cs-PeNC nanoclusters can be used as next-generation display materials due to their narrow PL linewidth and high stability. |