Enhanced performance of hybrid solar cells using longer arms of quantum cadmium selenide tetrapods | Zendy

KyuSung Lee | Zendy; Inho Kim | Zendy; Sravani Gullapalli | Zendy; Michael S. Wong | Zendy; Ghassan E. Jabbour | Zendy

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Enhanced performance of hybrid solar cells using longer arms of quantum cadmium selenide tetrapods

Author(s) -

KyuSung Lee,

Inho Kim,

Sravani Gullapalli,

Michael S. Wong,

Ghassan E. Jabbour

Publication year - 2011

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.3662839

Subject(s) - cadmium selenide , optoelectronics , materials science , energy conversion efficiency , hybrid solar cell , selenide , nanoparticle , cadmium , charge (physics) , quantum efficiency , nanotechnology , quantum dot , polymer solar cell , physics , selenium , quantum mechanics , metallurgy

We demonstrate that enhanced device performance of hybrid solar cells based on tetrapod (TP)-shaped cadmium selenide (CdSe) nanoparticles and conjugated polymer of poly (3-hexylthiophene) (P3HT) can be obtained by using longer armed tetrapods which aids in better spatial connectivity, thus decreasing charge hopping events which lead to better charge transport. Longer tetrapods with 10 nm arm length lead to improved power conversion efficiency of 1.12% compared to 0.80% of device having 5 nm short-armed tetrapods:P3HT photoactive blends

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