A resonance-shifting hybrid n-type layer for boosting near-infrared response in highly efficient colloidal quantum dots solar cells

Se Woong Baek, Jung Hoon Song, Woong Choi, Hyunjoon Song, Sohee Jeong, Jung Yong Lee

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

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 TiO2 layer (Au@Ag NCs-HL) of PbS-based solar cells. The TiO2 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.

Original languageEnglish
Pages (from-to)8102-8108
Number of pages7
JournalAdvanced Materials
Volume27
Issue number48
DOIs
StatePublished - 22 Dec 2015
Externally publishedYes

Keywords

  • core-shell nanoparticles
  • metal nanoparticles
  • plasmonics
  • quantum dots solar cells
  • resonance-shifting

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