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Tandem luminescent solar concentrators based on engineered quantum dots
Wu, Kaifeng1,2,3; Li, Hongbo1,4; Klimov, Victor I.1
Source PublicationNATURE PHOTONICS
2018-02-01
ISSN1749-4885
DOI10.1038/s41566-017-0070-7
Volume12Issue:2Pages:105-+
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectOptics ; Physics, Applied
WOS Research AreaOptics ; Physics
WOS KeywordPOWER CONVERSION EFFICIENCY ; CUINS2 NANOCRYSTALS ; STOKES-SHIFT ; CELLS ; ENERGY ; ABSORPTION ; PHOTOVOLTAICS ; ENVIRONMENT ; PERFORMANCE ; BLINKING
AbstractLuminescent solar concentrators (LSCs) can serve as large-area sunlight collectors for terrestrial and space-based photovoltaics. Due to their high emission efficiencies and readily tunable emission and absorption spectra, colloidal quantum dots have emerged as a new and promising type of LSC fluorophore. Spectral tunability of the quantum dots also facilitates the realization of stacked multilayered LSCs, where enhanced performance is obtained through spectral splitting of incident sunlight, as in multijunction photovoltaics. Here, we demonstrate a large-area (> 230 cm(2)) tandem LSC based on two types of nearly reabsorption-free quantum dots spectrally tuned for optimal solar-spectrum splitting. This prototype device exhibits a high optical quantum efficiency of 6.4% for sunlight illumination and solar-to-electrical power conversion efficiency of 3.1%. The efficiency gains due to the tandem architecture over single-layer devices quickly increase with increasing LSC size and can reach more than 100% in structures with window sizes of more than 2,500 cm(2).
Language英语
WOS IDWOS:000423445500018
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:51[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/168569
Collection中国科学院大连化学物理研究所
Corresponding AuthorKlimov, Victor I.
Affiliation1.Los Alamos Natl Lab, Ctr Adv Solar Photophys, Los Alamos, NM 87545 USA
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Collaborat Innovat Ctr Chem Energy Mat, Dalian, Peoples R China
4.Beijing Inst Technol, Sch Mat Sci & Engn, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Wu, Kaifeng,Li, Hongbo,Klimov, Victor I.. Tandem luminescent solar concentrators based on engineered quantum dots[J]. NATURE PHOTONICS,2018,12(2):105-+.
APA Wu, Kaifeng,Li, Hongbo,&Klimov, Victor I..(2018).Tandem luminescent solar concentrators based on engineered quantum dots.NATURE PHOTONICS,12(2),105-+.
MLA Wu, Kaifeng,et al."Tandem luminescent solar concentrators based on engineered quantum dots".NATURE PHOTONICS 12.2(2018):105-+.
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