One more step to fast and efficient short-wavelength infrared photodetection

被引：1

作者：

Li, Yanxun ^{[1
]}

Zhou, Huiqiong ^{[1
]}

机构：

[1] Natl Ctr Nanosci & Technol, CAS Ctr Excellence Nanosci, CAS Key Lab Nanosyst & Hierarch Fabricat, Beijing 100190, Peoples R China

来源：

MATTER | 2021年 / 4卷 / 04期

关键词：

D O I：

10.1016/j.matt.2021.03.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ligand exchanges play a crucial role in development of high-quality colloidal quantum dot (CQD) solids for fast and sensitive short-wavelength infrared photodetection. Sargent et al. report a two-step ligand exchange route to tailor efficient passivation, remove unwanted organics, and enhance charge transport, leading to a CQD photodetector with an EQE > 80% at 1550 nm, a measured detectivity of 8 x 10(11) Jones, and a 10-ns response time.

引用

页码：1097 / 1099

页数：3

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