Light-emitting diodes with semiconductor nanocrystals

被引：301

作者：

Rogach, Andrey L. ^{[2
,3
]}

Gaponik, Nikolai ^{[1
]}

Lupton, John. M. ^{[7
]}

Bertoni, Cristina ^{[4
]}

Gallardo, Diego E. ^{[4
]}

Dunn, Steve ^{[4
]}

Pira, Nello Li ^{[5
]}

Paderi, Marzia ^{[5
]}

Repetto, Piermario ^{[5
]}

Romanov, Sergei G. ^{[6
]}

O'Dwyer, Colm ^{[6
]}

Torres, Clivia M. Sotomayor ^{[6
]}

Eychmueller, Alexander ^{[1
]}

机构：

[1] Tech Univ Dresden, D-01062 Dresden, Germany

[2] Univ Munich, Photon & Optoelect Grp, Dept Phys, D-80799 Munich, Germany

[3] Univ Munich, CeNS, D-80799 Munich, Germany

[4] Cranfield Univ, Nanotechnol Grp, SIMS, Cranfield MK43 0AL, Beds, England

[5] Ctr Ric Fiat, Nanomfg Technol Div, I-10043 Orbassano, TO, Italy

[6] Natl Univ Ireland Univ Coll Cork, Tyndall Natl Inst, Cork, Ireland

[7] Univ Utah, Dept Phys, Salt Lake City, UT 84112 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2008年 / 47卷 / 35期

基金：

英国工程与自然科学研究理事会;

关键词：

light-emitting diodes; nanocrytals; nanoelectronics; quantum dots; semiconductors;

D O I：

10.1002/anie.200705109

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Colloidal semiconductor nanocrystals are promising luminophores for creating a new generation of electroluminescence devices. Research on semiconductor nanocrystal based light-emitting diodes (LEDs) has made remarkable advances in just one decade: the external quantum efficiency has improved by over two orders of magnitude and highly saturated color emission is now the norm. Although the device efficiencies are still more than an order of magnitude lower than those of the purely organic LEDs there are potential advantages associated with nanocrystal-based devices, such as a spectrally pure emission color, which will certainly merit future research. Further developments of nanocrystal-based LEDs will be improving material stability, understanding and controlling chemical and physical phenomena at the interfaces, and optimizing charge injection and charge transport. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.

引用

页码：6538 / 6549

页数：12

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