Colloidal quantum dot absorption enhancement in flexible Fano filters
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Date
2010-02-25Author
Zhou, Weidong
Chen, Li
Yang, Hongjun
Qiang, Zexuan
Pang, Huiqing
Sun, Lei
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We report here modified absorption property of colloidal quantum dots CQDs inside flexible Fano
filters—made of patterned single crystalline silicon nanomembrane transferred onto flexible plastic
substrates. Enhanced optical absorption was obtained both experimentally and theoretically, when
the CQD absorption peak spectrally overlaps with Fano resonance peak. On the other hand,
suppressed absorption was observed when the Fano resonance has no spectral overlap with the CQD
absorption bands. © 2010 American Institute of Physics.