[11p-W833-1~12] 9.2 ナノ粒子・ナノワイヤ・ナノシート

▲ [11p-W833-8] The Roles of Crosslinking Ligands on Charge Carrier Transport in PbS Colloidal Quantum Dot Assemblies

Ibuki Watanabe¹、Liming Liu¹、〇Satria Zulkarnaen Bisri²、Ian Johnson³、Yasuhiro Ishida²、Jeremy Burroughes³、Yoshihiro Iwasa^1,2 (1.University of Tokyo、2.RIKEN - CEMS、3.CDT)

キーワード：colloidal nanocrystals, crosslinking ligands, field effect transistors

Here we show the selections of various ligand molecules that can crosslink PbS colloidal QDs to transport efficiently either holes or electrons; with reduced potential for volume shrinkage than the commonly used molecules. Despite some of the molecules are significantly longer than the conventional crosslinking ligands, the corresponding field-effect transistors can demonstrate comparable conductivity and on/off ratio characteristics.