Low temperature fabrication of hybrid solar cells using co-sensitizer of perovskite and lead sulfide nanoparticles

Vinh Quang Dang, Minseop Byun, Junjie Kang, Chaehyun Kim, Pil Hoon Jung, Yang Doo Kim, Nae Eung Lee, Heon Lee

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


Our cost-effective approach for hybridizing methylammonium lead iodide and PbS nanoparticles at low temperature (≤100 °C) for photovoltaic devices is introduced. As employed into a perovskite based solar cell platform, effects of PbS on the device performance were investigated. Through experimental observations under simulated air-mass 1.5G illumination (irradiation intensity of 100 mWcm−2), the efficiency of a perovskite:PbS device is 11% higher than that of a pristine perovskite solar cell under the same fabrication conditions as a result of the broadened absorption range in the infrared region. The highest photovoltaic performance was observed at a PbS concentration of 2% with an open-circuit voltage, short-circuit current density, fill factor, and power-conversion efficiency of 0.557 V, 22.841 mA cm−2, 0.55, and 6.99%, respectively. Furthermore, PbS NPs could induce hydrophobic modification of the perovskite surface, leading to an improvement of the device stability in the air. Finally, the low-temperature and cost-effective fabrication process of the hybrid solar cells is a good premise for developing flexible/stretchable cells as well as future optoelectronic devices.

Original languageEnglish
Pages (from-to)247-254
Number of pages8
JournalOrganic Electronics
Publication statusPublished - 2017 Nov

Bibliographical note

Funding Information:
This research was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIP) (2016R1A2B3015400).

Publisher Copyright:
© 2017 Elsevier B.V.


  • Co-sensitizer
  • Low temperature
  • Methylammonium lead iodide
  • PbS nanoparticles
  • Perovskite
  • Solar cell

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • General Chemistry
  • Biomaterials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry


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