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Title: Panchromatic All‐Polymer Photodetector with Tunable Polarization Sensitivity

Abstract

Abstract In this report, a high‐performance all‐polymer organic photodetector that is sensitive to linearly polarized light throughout the visible spectrum is demonstrated. The active layer is a bulk heterojunction composed of an electron donor polymer PBnDT‐FTAZ and acceptor polymer P(NDI2OD‐T2) that have complementary spectral absorption resulting in efficient detection from 350 to 800 nm. The blend film exhibits good ductility with the ability to accommodate large strains of over 60% without fracture. This allows the film to undergo large uniaxial strain resulting in in‐plane alignment of both polymers making the film optically anisotropic and intrinsically polarization sensitive. The films are characterized by UV–vis spectroscopy and grazing incidence wide‐angle X‐ray scattering showing that both polymers have similar in‐plane backbone alignment and maintain packing order after being strained. The films are integrated into devices and characterized under linear polarized light. The strain‐oriented detectors have maximum photocurrent anisotropies of 1.4 under transverse polarized light while maintaining peak responsivities of 0.21 A W −1 and a 3 dB cutoff frequency of ≈1 kHz. The demonstrated performance is comparable to the current state of the art all‐polymer photodetectors with the added capability of polarization sensitivity enabling new application opportunities.

Authors:
 [1];  [2]; ORCiD logo [3]; ORCiD logo [4];  [5]; ORCiD logo [4]; ORCiD logo [5]; ORCiD logo [6]; ORCiD logo [3];  [2]; ORCiD logo [1]
  1. Department of Mechanical and Aerospace Engineering North Carolina State University Raleigh NC 27695 USA
  2. Department of Electrical and Computer Engineering North Carolina State University Raleigh NC 27695 USA
  3. Department of Chemistry University of North Carolina Chapel Hill NC 27599 USA
  4. Department of Applied Physical Sciences University of North Carolina Chapel Hill NC 27599 USA
  5. Department of Materials Science and Engineering North Carolina State University Raleigh NC 27695 USA
  6. Materials Science and Engineering Division National Institute of Standards and Technology Gaithersburg MD 20899 USA
Publication Date:
Sponsoring Org.:
USDOE
OSTI Identifier:
1485174
Resource Type:
Journal Article: Publisher's Accepted Manuscript
Journal Name:
Advanced Optical Materials
Additional Journal Information:
Journal Name: Advanced Optical Materials Journal Volume: 7 Journal Issue: 4; Journal ID: ISSN 2195-1071
Publisher:
Wiley Blackwell (John Wiley & Sons)
Country of Publication:
Germany
Language:
English

Citation Formats

Sen, Pratik, Yang, Ruonan, Rech, Jeromy J., Feng, Yuanxiang, Ho, Carr Hoi Yi, Huang, Jinsong, So, Franky, Kline, R. Joseph, You, Wei, Kudenov, Michael W., and O'Connor, Brendan T. Panchromatic All‐Polymer Photodetector with Tunable Polarization Sensitivity. Germany: N. p., 2018. Web. doi:10.1002/adom.201801346.
Sen, Pratik, Yang, Ruonan, Rech, Jeromy J., Feng, Yuanxiang, Ho, Carr Hoi Yi, Huang, Jinsong, So, Franky, Kline, R. Joseph, You, Wei, Kudenov, Michael W., & O'Connor, Brendan T. Panchromatic All‐Polymer Photodetector with Tunable Polarization Sensitivity. Germany. https://doi.org/10.1002/adom.201801346
Sen, Pratik, Yang, Ruonan, Rech, Jeromy J., Feng, Yuanxiang, Ho, Carr Hoi Yi, Huang, Jinsong, So, Franky, Kline, R. Joseph, You, Wei, Kudenov, Michael W., and O'Connor, Brendan T. 2018. "Panchromatic All‐Polymer Photodetector with Tunable Polarization Sensitivity". Germany. https://doi.org/10.1002/adom.201801346.
@article{osti_1485174,
title = {Panchromatic All‐Polymer Photodetector with Tunable Polarization Sensitivity},
author = {Sen, Pratik and Yang, Ruonan and Rech, Jeromy J. and Feng, Yuanxiang and Ho, Carr Hoi Yi and Huang, Jinsong and So, Franky and Kline, R. Joseph and You, Wei and Kudenov, Michael W. and O'Connor, Brendan T.},
abstractNote = {Abstract In this report, a high‐performance all‐polymer organic photodetector that is sensitive to linearly polarized light throughout the visible spectrum is demonstrated. The active layer is a bulk heterojunction composed of an electron donor polymer PBnDT‐FTAZ and acceptor polymer P(NDI2OD‐T2) that have complementary spectral absorption resulting in efficient detection from 350 to 800 nm. The blend film exhibits good ductility with the ability to accommodate large strains of over 60% without fracture. This allows the film to undergo large uniaxial strain resulting in in‐plane alignment of both polymers making the film optically anisotropic and intrinsically polarization sensitive. The films are characterized by UV–vis spectroscopy and grazing incidence wide‐angle X‐ray scattering showing that both polymers have similar in‐plane backbone alignment and maintain packing order after being strained. The films are integrated into devices and characterized under linear polarized light. The strain‐oriented detectors have maximum photocurrent anisotropies of 1.4 under transverse polarized light while maintaining peak responsivities of 0.21 A W −1 and a 3 dB cutoff frequency of ≈1 kHz. The demonstrated performance is comparable to the current state of the art all‐polymer photodetectors with the added capability of polarization sensitivity enabling new application opportunities.},
doi = {10.1002/adom.201801346},
url = {https://www.osti.gov/biblio/1485174}, journal = {Advanced Optical Materials},
issn = {2195-1071},
number = 4,
volume = 7,
place = {Germany},
year = {Mon Dec 10 00:00:00 EST 2018},
month = {Mon Dec 10 00:00:00 EST 2018}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at https://doi.org/10.1002/adom.201801346

Citation Metrics:
Cited by: 26 works
Citation information provided by
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