What does this research mean for the field?

A fully inkjet-printed, flexible photodetector array utilizing carbon nanotubes and organic macrocycles enables filterless, wavelength-selective visible-light detection and real-time spectral classification under ambient conditions. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To develop a scalable, fully inkjet-printed flexible photodetector array for filterless, wavelength-selective visible-light detection under ambient conditions.

August 22, 2026npj Flexible ElectronicsOpen Access

Fully inkjet-printed flexible photodetector array for light color detection utilizing carbon nanotubes-organic macrocycles hybrid structures

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Authors

DKDaeyeon KohYonsei University HIHyungyu ImYonsei University JKJuneseung KimYonsei University

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Implication

Device demonstration shows fully inkjet-printed photodetector arrays detect visible light colors, indicating a scalable manufacturing route for flexible and wearable optoelectronics.

Key Points

To develop a scalable, fully inkjet-printed flexible photodetector array for filterless, wavelength-selective visible-light detection under ambient conditions.
Printed all electrodes, semiconducting channels, and wavelength-selective absorbers under ambient conditions using an office inkjet printer without vacuum or lithography.
Utilized multi-walled carbon nanotubes for electrodes, single-walled carbon nanotubes for channels, and three organic macrocycles patterned via a tri-color cartridge for color absorption.
Integrated a lightweight neural network to evaluate real-time spectral classification under varied illumination and tested durability over 1,000 illumination cycles and mechanical strain.
The tri-color organic macrocycle array exhibited distinct spectral photoresponses, successfully resolving both incident wavelength and light intensity without optical filters.
Devices maintained stable optoelectronic operation under mechanical deformation and through 1,000 repeated illumination cycles.
The integrated neural network achieved real-time spectral classification with high accuracy across varying illumination conditions.

Cite This Study

Koh et al. (2026) studied this question.

synapsesocial.com/papers/6a895ed9ca7ade938187d08b https://doi.org/10.1038/s41528-026-00634-5

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Implication

Device demonstration shows fully inkjet-printed photodetector arrays detect visible light colors, indicating a scalable manufacturing route for flexible and wearable optoelectronics.

Fully inkjet-printed flexible photodetector array for light color detection utilizing carbon nanotubes-organic macrocycles hybrid structures

Discussion

Member takes

Implication

Key Points

Cite This Study

Fully inkjet-printed flexible photodetector array for light color detection utilizing carbon nanotubes-organic macrocycles hybrid structures

Discussion

Member takes

Implication

Key Points

Cite This Study

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