Enhanced light-harvesting of protein-pigment complexes assisted by a quantum dot antenna

被引：0

作者：

Gil, Gabriel ^{[1
,2
]}

Goldoni, Guido ^{[3
,4
]}

Corni, Stefano ^{[1
,4
]}

机构：

[1] Univ Padua, Dipartimento Sci Chim, Padua, Italy

[2] Inst Cibernet Matemat & Fis ICIMAF, Havana, Cuba

[3] Univ Modena & Reggio Emilia, Dipartimento Sci Fis Informat & Matemat, Modena, Italy

[4] CNR Ist Nanosci, Ctr S3, Modena, Italy

来源：

2018 NANOTECHNOLOGY FOR INSTRUMENTATION AND MEASUREMENT (NANOFIM) | 2018年

基金：

欧洲研究理事会;

关键词：

Light-harvesting antenna; FMO; BChl a; NIR quantum dot; FRET; hybrid material; OPTICAL-PROPERTIES; ENERGY-TRANSFER; PHOTOCHEMCAD;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We predict the enhanced light harvesting of a protein-pigment complex when assembled to a quantum dot (QD) antenna. Our prototypical nanoassembly setup is composed of a Fenna-Mattews-Olson system hosting 8 Bacteriochlorophyll (BChl) a dyes, and a near-infrared emitting CdSexTe(1-x)/ZnS alloy-core/shell nanocrystal. BChl a has two wide windows of poor absorption in the green and orange-red bands, precisely where most of the sunlight energy lies. The selected QD is able to collect sunlight efficiently in a broader band and funnel its energy by a (non-radiative) Forster resonance energy transfer mechanism to the dyes embedded in the protein. By virtue of the coupling between the QD and the dyes, the nanoassembly absorption is dramatically improved in the poor absorption window of the BChl a.

引用

页数：5

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