Flexible and High-Performance Solution-Processable Single-Detector Organic Spectrometer.
basic_science · Level V
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- Record sourced from PubMed, PMID 40444354.
- Also identified by DOI 10.1002/adma.202502608.
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Abstract
Spectrometers are indispensable tools for civil and military-related optoelectronic applications. To meet the requirements of the revolutionary data/AI-driven era, next-generation spectrometers must not only be flexible with minimal sizes but exhibit high accuracy and resolution. In this study, a compact, high-performance, and flexible organic spectrometer is reported, fabricated using solution processing, which employs an optical cascade architecture by integrating organic electrochromic devices and photodetectors. This organic spectrometer can not only achieve a resolution of 0.56 nm, an accuracy of 0.14 nm, and a broad detection range from 400 to 1000 nm but also realize a vital absolute spectral irradiance measurement ranging from 10<sup>-8</sup> to 10<sup>-4</sup> W cm<sup>-2</sup> nm<sup>-1</sup>. Additionally, its intrinsic flexibility and highly replaceable feasibility of bandgap-tunable organic materials enable their high applicability with excellent portability and adaptability in the upcoming data/AI-driven era or scenarios.