Stable and Low-Threshold Optical Gain in CdSe/CdS Quantum Dots: An All-Colloidal Frequency Up-Converted Laser

被引：99

作者：

Guzelturk, Burak ^{[1
,2
]}

Kelestemur, Yusuf ^{[1
,2
]}

Gungor, Kivanc ^{[1
,2
]}

Yeltik, Aydan ^{[1
,2
]}

Akgul, Mehmet Zafer ^{[1
,2
]}

Wang, Yue ^{[3
]}

Chen, Rui ^{[3
]}

Dang, Cuong ^{[4
]}

Sun, Handong ^{[3
]}

Demir, Hilmi Volkan ^{[1
,2
,3
,4
]}

机构：

[1] Bilkent Univ, Dept Elect & Elect Engn, Dept Phys, TR-06800 Ankara, Turkey

[2] Bilkent Univ, UNAM Natl Nanotechnol Res Ctr, Inst Mat Sci & Nanotechnol, TR-06800 Ankara, Turkey

[3] Nanyang Technol Univ, Sch Phys & Math Sci, Ctr Disrupt Photon Technol CDPT, Div Phys & Appl Phys, Singapore 637371, Singapore

[4] Nanyang Technol Univ, Luminous Ctr Excellence Semicond Lighting & Displ, TPI Photon Inst, Sch Elect & Elect Engn,Sch Phys & Math Sci, Singapore 639798, Singapore

来源：

ADVANCED MATERIALS | 2015年 / 27卷 / 17期

基金：

欧盟第七框架计划; 新加坡国家研究基金会;

关键词：

AMPLIFIED SPONTANEOUS EMISSION; CORE-SHELL NANOCRYSTALS; STIMULATED-EMISSION; AUGER RECOMBINATION; BLUE; SUPPRESSION; RED; BLINKING; GREEN;

D O I：

10.1002/adma.201500418

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An all-solution processed and all-colloidal laser is demonstrated using tailored CdSe/CdS core/shell quantum dots, which exhibit highly stable and low-threshold optical gain owing to substantially suppressed non-radiative Auger recombination.

引用

页码：2741 / +

页数：7

共 44 条

[1]

[Anonymous], 2000, BLUE LASER DIODE COM

[2]

Bauer C, 2002, ADV MATER, V14, P673, DOI 10.1002/1521-4095(20020503)14:9<673::AID-ADMA673>3.0.CO

[3]

2-F

[4] Temperature dependence of excitonic radiative decay in CdSe quantum dots: The role of surface hole traps [J].