Issue 46, 2021

Light-material interfaces for self-powered optoelectronics

Abstract

Self-powered wearable optoelectronics are considered as a promising candidate for realizing sustainable and mobile visual communication. Inorganic materials have been utilized to develop various self-powered optoelectronic devices such as piezoelectric nanogenerators, photodetectors, and light-emitting diodes (LEDs). However, inevitable high temperature processes including thermal evaporation, annealing, and epitaxial growth cause serious thermal damage to plastic substrates, hindering the demonstration of a high performance self-powered flexible optoelectronic system. In this paper, we introduce light-material interface (LMI) technologies including nanowelding, laser lift-off, physical interlocking, and interfacial chemistry that can overcome the inherent thermal limit to realize inorganic-based self-powered wearable optoelectronic devices. The working mechanism of these innovative approaches is discussed according to theoretical simulations and scientific findings in previous research. Lastly, LMI-based self-powered flexible optoelectronic components including piezoelectric nanogenerators, thermoelectric energy harvesters, and μLEDs are discussed.

Graphical abstract: Light-material interfaces for self-powered optoelectronics

Article information

Article type
Highlight
Submitted
15 oct. 2021
Accepted
28 oct. 2021
First published
17 nov. 2021

J. Mater. Chem. A, 2021,9, 25694-25705

Light-material interfaces for self-powered optoelectronics

J. H. Shin, Y. B. Kim, J. H. Park, J. S. Lee, S. H. Park, S. H. Lee, J. H. Lee and K. J. Lee, J. Mater. Chem. A, 2021, 9, 25694 DOI: 10.1039/D1TA08892K

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