Light-Harvesting Antennae Based on Silicon Nanocrystals

被引：19

作者：

Romano, Francesco ^{[1
]}

Yu, Yixuan ^{[2
]}

Korgel, Brian A. ^{[2
]}

Bergamini, Giacomo ^{[1
]}

Ceroni, Paola ^{[1
,3
]}

机构：

[1] Univ Bologna, Dept Chem G Ciamician, Via Selmi 2, I-40126 Bologna, Italy

[2] Univ Texas Austin, Dept Chem Engn, Texas Mat Inst, Ctr Nano & Mol Sci & Technol, Austin, TX 78712 USA

[3] Ctr Interuniv Convers Chim Energia Solare SOLAR C, Unita Bologna, Bologna, Italy

来源：

TOPICS IN CURRENT CHEMISTRY | 2016年 / 374卷 / 04期

基金：

美国国家科学基金会;

关键词：

Quantum dots; Luminescence; Brightness; Energy transfer; Indirect band gap semiconductor; QUANTUM DOTS; ENERGY-TRANSFER; OPTICAL-PROPERTIES; POROUS SILICON; PHOTOLUMINESCENCE; NANOPARTICLES; LUMINESCENCE; EMISSION; FUNCTIONALIZATION; COMPLEXES;

D O I：

10.1007/s41061-016-0056-9

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Silicon (Si) nanocrystals are relatively strong light emitters, but are weak light absorbers as a result of their indirect band gap. One way to enhance light absorption is to functionalize the nanocrystals with chromophores that are strong light absorbers. By designing systems that enable efficient energy transfer from the chromophore to the Si nanocrystal, the brightness of the nanocrystals can be significantly increased. There have now been a few experimental systems in which covalent attachment of chromophores, efficient energy transfer and significantly increased brightness have been demonstrated. This review discusses progress on these systems and the remaining challenges.

引用

页数：18

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