High temperature organic semiconductors and electronics

Date: October 13, 2021 1:30 pm (ET)


  • Jianguo Mei
    Purdue University
Jianguo Mei

Plastics are arguably the most ubiquitous structural materials mankind invented, while semiconducting polymers, one kind of special plastics, present their unique optical and electronic characteristics and have attracted wide interest from biomedical to electronic applications. Mei’s research group is dedicated to the advancement of semiconducting polymers from three frontiers, namely organic electronics(1-5), electrochemical (electrochromic) devices(6-8), as well as photoacoustic imaging and neurostimulation(9-10). In this talk, I will focus on our latest development of semiconducting polymer blends for organic electronics. In particular, I will discuss the marriage of semiconducting polymers and insulating plastics that brings stable charge transport across a wide temperature range from room temperature up to 220°C in thin-film transistors. This discovery lifts the limitation by the fact that most electronics will break down at high temperatures and could be a way to change that.

  1. Dung T, & Mei J., Contact Effect in High-Temperature Conjugated Polymer Transistors, ACS Appl. Electron. Mater., 2020, 2, 2454–2460.
  2. Gumyusenge A & Mei J., et al. Polyimide-based High-Temperature Plastic Electronics. ACS Materials Lett., 2019, 1, 154-157.
  3. Gumyusenge A & Mei J., et al. Semiconducting Polymer Blends that Exhibit Stable Charge Transport at High Temperatures. Science, 2018, 362, 1131-1134.
  4. Zhao Y & Mei J., et al. Melt-Processing of Complementary Semiconducting Polymer Blends for HighPerformance Organic Transistors. Mater., 2017, 29, 1605056.
  5. Zhao Y & Mei J., et al. Complementary Semiconducting Polymer Blends for Efficient Charge Transport. Chemistry of Materials, 2015, 27, 7164-7170.
  6. Li XF & Mei J, Stabilizing Hybrid Electrochromic Devices through Pairing Electrochromic Polymers with Minimally Color-Changing (MCC) Ion Storage Materials Having Closely Matched Electroactive Voltage Windows, ACS Appl. Mater. Interfaces, 2021, 13, 5312–5318.
  7. He JZ, & Mei J., et al. Highly Transparent Crosslinkable Radical Copolymer Thin Film as the Ion Storage Layer in Organic Electrochromic Devices. ACS Appl. Mater. Interfaces, 2018,10,18956-18963.
  8. Luo XY, Boudouris BW & Mei J., et al, Designing Donor-Acceptor Copolymers for Stable and High-Performance Organic Electrochemical Transistors, ACS Macro Lett., 2021, 10, 8, 1061–1067.
  9. Wu JYZ, & Mei J., et al. Semiconducting Polymer Nanoparticles for Centimeters-Deep Photoacoustic Imaging in the Second Near-Infrared Window. Adv. Mater., 2017, 29, 1703403.
  10. Wu JYZ, & Mei J., et al. Functionalized NIR-II Semiconducting Polymer Nanoparticles for Single-Cell to Whole-Organ Imaging of PSMA-Positive Prostate Cancer. Small, 2020, 16, 2001215.


Jianguo Mei is currently an Associate Professor of Chemistry at Purdue University. He has published over 100 peer-reviewed papers with over 12000 citations, 4 book chapters and 15 granted US patents. Dr. Mei is a recipient of an NSF CAREER award, Office of Naval Research Young Investigator Award (ONR YIP), ACS PMSE Young Investigator, ACS Division of Organic Chemistry (DOC) Academic Young Investigator and Purdue’s Teaching for Tomorrow Fellowship. He is also a co-Founder of Ambilight Inc, a venture-backed Silicon Valley startup dedicated to the commercialization of roll-to-roll manufactured thin-film electrochromic for smart windows.