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A Resonance‐Shifting Hybrid n‐Type Layer for Boosting Near‐Infrared Response in Highly Efficient Colloidal Quantum Dots Solar Cells
Author(s) -
Baek SeWoong,
Song Jung Hoon,
Choi Woong,
Song Hyunjoon,
Jeong Sohee,
Lee JungYong
Publication year - 2015
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201503642
Subject(s) - materials science , quantum dot , plasmon , optoelectronics , quantum dot solar cell , surface plasmon resonance , plasmonic solar cell , nanotechnology , hybrid solar cell , plasmonic nanoparticles , nanoparticle , layer (electronics) , solar cell , polymer solar cell
A new configuration of a plasmonic quantum dots solar structure is proposed. Gold–silver core–shell metal nanoparticles (Au@Ag NCs) are incorporated into the TiO 2 layer (Au@Ag NCs‐HL) of PbS‐based solar cells. The TiO 2 layer enables the Au@Ag NCs to have broad plasmonic responses and the external quantum efficiency and absorption of the plasmonic devices are significantly enhanced. The electrical performance of the solar cells is also improved.