High-performance near-infrared OLEDs maximized at 925 nm …
2024年5月31日 · Nature Communications - The low photoluminescence quantum yield of near-infrared (NIR) emitters has limited their application in organic light-emitting diodes (OLEDs). Here, authors realize NIR...
Recent advances in highly-efficient near infrared OLED emitters
2024年1月26日 · In this work we review the most recent examples of highly efficient NIR organic light-emitting diode (OLED) emitters among the most relevant types of luminophores: platinum (II), iridium (III), and osmium (II) complexes, unimolecular thermally activated delayed fluorescence (TADF) emitters and exciplexes, fluorescent dyes, and the emerging group...
Overcoming the energy gap law in near-infrared OLEDs by …
2020年6月29日 · The development of high-performance near-infrared organic light-emitting diodes is hindered by strong non-radiative processes as governed by the energy gap law.
Efficient solution-processed near-infrared organic light-emitting ...
2024年9月27日 · A binary-mixed electron transport layer (ETL) has been reported for constructing solution-processable near-infrared organic light-emitting diodes (NIR OLEDs). Relative to the single-component ETL, the binary-mixed ETL composed of PDINN:TPBi can enhance the carrier transport capacity, reduce device impedance, and weaken fluorescence quenching of ...
Stable and Efficient Near-Infrared Organic Light-Emitting Diodes ...
2021年12月7日 · Stable and efficient emitters are highly desired for near-infrared organic light-emitting diodes (NIR OLEDs) due to their extensive applications in biometric authentication, night vision display, and telecommunication. As this technology advances, there is an increasing demand for the development of NIR OLEDs with an emission spectrum beyond ...
Visible light communication with efficient far-red/near-infrared ...
2020年4月26日 · Here, we report new far-red/NIR organic light-emitting diodes (OLEDs) with a 650–800 nm emission range and external quantum efficiencies among the highest reported in this spectral range (>2.7%,...
13.2% EQE near-infrared TADF OLED with emission peak at 761 nm
2023年1月15日 · Near infrared (NIR) emitters have attracted much attention due to their advanced application in biomedical sensing/imaging, and telecommunications. However, the development of efficient NIR thermally activated delayed fluorescence (TADF) emitters with the emission over 750 nm is still a challenge.
Narrowband Pure Near‐Infrared (NIR) Ir(III) Complexes for …
2023年8月25日 · Highly efficient near-infrared (NIR) emitters have significant applications in medical and optoelectronic fields, but the development stays a great challenge due to the energy gap law. Here, we report two NIR phosphorescent Ir (III) complexes which display emission peaks around 730 nm with a narrow full width at half maximum of only 43 nm.
Small D-π-A-π-D organic dyes for near-infrared emitting OLEDs …
2023年1月1日 · Organic-light emitting diodes (OLEDs) with near-infrared (NIR) emission have an extremely broad range of attractive applications. Compounds containing donor (D) and acceptor (A) fragments are promising materials for use as active emitting layer in OLEDs due to their fast luminescence and because their luminescence properties can be fine-tuned ...
High‐Efficiency and Long‐Lifetime Near‐Infrared OLEDs Based on …
2024年5月21日 · High-efficiency and long-lifetime near-infrared (NIR) organic light-emitting diodes (OLEDs) are rarely reported. Herein, three efficient NIR Ir (III) complexes 1 – 3 are developed with specially designed cyclometallated ligands based on pyrido [3,4-b]pyrazine and oriented substitutions along the Ir─N bond axis.