Near-Infrared and Short-Wavelength Infrared Photodiodes Based on Dye-Perovskite Composites

Qianqian Lin, Zhiping Wang, Margaret Young, Jay B. Patel, Rebecca L. Milot, Laura Martinez Maestro, Richard R. Lunt, Henry J. Snaith, Michael B. Johnston, Laura M. Herz

Research output: Research - peer-reviewArticle

Abstract

Organohalide perovskites have emerged as promising light-sensing materials because of their superior optoelectronic properties and low-cost processing methods. Recently, perovskite-based photodetectors have successfully been demonstrated as both broadband and narrowband varieties. However, the photodetection bandwidth in perovskite-based photodetectors has so far been limited to the near-infrared regime owing to the relatively wide band gap of hybrid organohalide perovskites. In particular, short-wavelength infrared photodiodes operating beyond 1 μm have not yet been realized with organohalide perovskites. In this study, narrow band gap organic dyes are combined with hybrid perovskites to form composite films as active photoresponsive layers. Tuning the dye loading allows for optimization of the spectral response characteristics and excellent charge-carrier mobilities near 11 cm2 V-1 s-1, suggesting that these composites combine the light-absorbing properties or IR dyes with the outstanding charge-extraction characteristics of the perovskite. This study demonstrates the first perovskite photodiodes with deep near-infrared and short-wavelength infrared response that extends as far as 1.6 μm. All devices are solution-processed and exhibit relatively high responsivity, low dark current, and fast response at room temperature, making this approach highly attractive for next-generation light-detection techniques.

LanguageEnglish (US)
JournalAdvanced Functional Materials
DOIs
StateAccepted/In press - 2017

Profile

Photodiodes
Coloring Agents
Infrared radiation
Wavelength
Composite materials
perovskite
Perovskite
Dyes
perovskites
photodiodes
dyes
composite materials
wavelengths
Photodetectors
Energy gap
photometers
narrowband
broadband
Dark currents
Carrier mobility

Keywords

  • Dye
  • Near-infrared
  • Perovskite
  • Photodiode
  • Short-wavelength infrared

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Condensed Matter Physics
  • Electrochemistry

Cite this

Lin, Q., Wang, Z., Young, M., Patel, J. B., Milot, R. L., Martinez Maestro, L., ... Herz, L. M. (2017). Near-Infrared and Short-Wavelength Infrared Photodiodes Based on Dye-Perovskite Composites. Advanced Functional Materials. DOI: 10.1002/adfm.201702485

Near-Infrared and Short-Wavelength Infrared Photodiodes Based on Dye-Perovskite Composites. / Lin, Qianqian; Wang, Zhiping; Young, Margaret; Patel, Jay B.; Milot, Rebecca L.; Martinez Maestro, Laura; Lunt, Richard R.; Snaith, Henry J.; Johnston, Michael B.; Herz, Laura M.

In: Advanced Functional Materials, 2017.

Research output: Research - peer-reviewArticle

Lin, Q, Wang, Z, Young, M, Patel, JB, Milot, RL, Martinez Maestro, L, Lunt, RR, Snaith, HJ, Johnston, MB & Herz, LM 2017, 'Near-Infrared and Short-Wavelength Infrared Photodiodes Based on Dye-Perovskite Composites' Advanced Functional Materials. DOI: 10.1002/adfm.201702485
Lin Q, Wang Z, Young M, Patel JB, Milot RL, Martinez Maestro L et al. Near-Infrared and Short-Wavelength Infrared Photodiodes Based on Dye-Perovskite Composites. Advanced Functional Materials. 2017. Available from, DOI: 10.1002/adfm.201702485
Lin, Qianqian ; Wang, Zhiping ; Young, Margaret ; Patel, Jay B. ; Milot, Rebecca L. ; Martinez Maestro, Laura ; Lunt, Richard R. ; Snaith, Henry J. ; Johnston, Michael B. ; Herz, Laura M./ Near-Infrared and Short-Wavelength Infrared Photodiodes Based on Dye-Perovskite Composites. In: Advanced Functional Materials. 2017
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