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    Si Hybrid Solar Cells with 13% Efficiency via Concurrent Improvement in Optical and Electrical Properties by Employing Graphene Quantum Dots

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    Type
    Article
    Authors
    Tsai, Meng-Lin cc
    Wei, Wan-Rou
    Tang, Libin
    Chang, Hung Chih
    Tai, Shih Hsiang
    Yang, Po Kang
    Lau, Shu Ping
    Chen, Lih Juann
    He, Jr-Hau cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    KAUST Solar Center (KSC)
    Date
    2015-12-21
    Online Publication Date
    2015-12-21
    Print Publication Date
    2016-01-26
    Permanent link to this record
    http://hdl.handle.net/10754/622359
    
    Metadata
    Show full item record
    Abstract
    By employing graphene quantum dots (GQDs) in PEDOT:PSS, we have achieved an efficiency of 13.22% in Si/PEDOT:PSS hybrid solar cells. The efficiency enhancement is based on concurrent improvement in optical and electrical properties by the photon downconversion process and the improved conductivity of PEDOT:PSS via appropriate incorporation of GQDs. After introducing GQDs into PEDOT:PSS, the short circuit current and the fill factor of rear-contact optimized hybrid cells are increased from 32.11 to 36.26 mA/cm and 62.85% to 63.87%, respectively. The organic-inorganic hybrid solar cell obtained herein holds the promise for developing photon-managing, low-cost, and highly efficient photovoltaic devices.
    Citation
    Tsai M-L, Wei W-R, Tang L, Chang H-C, Tai S-H, et al. (2016) Si Hybrid Solar Cells with 13% EfficiencyviaConcurrent Improvement in Optical and Electrical Properties by Employing Graphene Quantum Dots. ACS Nano 10: 815–821. Available: http://dx.doi.org/10.1021/acsnano.5b05928.
    Sponsors
    This work was supported by the Research Grants Council of Hong Kong (Project No. PolyU 153012/14P) and National Natural Science Foundation of China (NSFC Grant No. 11374250).
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Nano
    DOI
    10.1021/acsnano.5b05928
    PubMed ID
    26679147
    Additional Links
    http://pubs.acs.org/doi/abs/10.1021/acsnano.5b05928
    ae974a485f413a2113503eed53cd6c53
    10.1021/acsnano.5b05928
    Scopus Count
    Collections
    Articles; Electrical and Computer Engineering Program; KAUST Solar Center (KSC); Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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