Self‐Powered Organic Photodetectors with High Detectivity for Near Infrared Light Detection Enabled by Dark Current Reduction
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202106326
Abstract: Organic photodetectors (OPDs) for near infrared (NIR) light detection represents cutting‐edge technology for optical communication, environmental monitoring, biomedical imaging, and sensing. Herein, a series of self‐powered OPDs with high detectivity are constructed by the sequential… read more here.
Keywords: dark current; organic photodetectors; light detection; near infrared ... See more keywords
Significant Dark Current Suppression in Organic Photodetectors Using Side Chain Fluorination of Conjugated Polymer
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202108026
Abstract: Dark current density (Jdark) is the most important factors determining signal‐to‐noise ratio, linear dynamic range and detectivity (D*) of organic photodetectors (OPDs). However, the solution‐processed OPDs generally suffer from high Jdark under bias because the… read more here.
Keywords: side chain; dark current; organic photodetectors; jdark ... See more keywords
Photomultiplication‐Type Organic Photodetectors for Near‐Infrared Sensing with High and Bias‐Independent Specific Detectivity
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202105113
Abstract: Highly responsive organic photodetectors allow a plethora of applications in fields like imaging, health, security monitoring, etc. Photomultiplication‐type organic photodetectors (PM‐OPDs) are a desirable option due to their internal amplification mechanism. However, for such devices,… read more here.
Keywords: photomultiplication type; organic photodetectors; specific detectivity; type organic ... See more keywords
Impact of unintentional oxygen doping on organic photodetectors
Sign Up to like & getrecommendations! Published in 2018 at "Organic Electronics"
DOI: 10.1016/j.orgel.2017.12.008
Abstract: Abstract Oxygen plasma is a widely used treatment to change the surface properties of organic layers. This treatment is particularly interesting to enable the deposition from solution of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) on top of the active… read more here.
Keywords: oxygen; organic photodetectors; oxygen plasma; impact unintentional ... See more keywords
Ultraviolet to near-infrared broadband organic photodetectors with photomultiplication
Sign Up to like & getrecommendations! Published in 2020 at "Organic Electronics"
DOI: 10.1016/j.orgel.2020.105739
Abstract: Abstract The broadband organic photodetectors (OPDs) with photomultiplication (PM) phenomenon are fabricated by using Y6 doped with rather less PBDB-T as active layers having electron-only transport characteristic. The PM-OPDs with PBDB-T:Y6 (3:100, wt/wt) as active… read more here.
Keywords: organic photodetectors; near infrared; broadband organic; ultraviolet near ... See more keywords
Enhanced Static and Dynamic Properties of Highly Miscible Fullerene-Free Green-Selective Organic Photodetectors.
Sign Up to like & getrecommendations! Published in 2021 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c02357
Abstract: We developed p-n junction organic photodetectors (OPDs) composed of a polymer donor and a nonfullerene acceptor (NFA) to increase both the responsivity (R) and detectivity (D*) while maintaining a narrow wavelength selectivity. The selection of… read more here.
Keywords: organic photodetectors; polymer donor; dynamic properties; polymer ... See more keywords
Novel Dark Current Reduction Strategy via Deep Bulk Traps for High-Performance Solution-Processed Organic Photodetectors.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c04981
Abstract: The performance improvement of the organic photodetectors (OPDs) focuses on suppressing the dark current density (Jd) to improve the specific detectivity. In this work, a dark current reduction strategy relying on constructing limited deep traps… read more here.
Keywords: current reduction; reduction strategy; solution processed; organic photodetectors ... See more keywords
Low Dark Current Organic Photodetectors Utilizing Highly Cyanated Non-fullerene Acceptors
Sign Up to like & getrecommendations! Published in 2022 at "ACS Applied Materials & Interfaces"
DOI: 10.1021/acsami.2c10197
Abstract: Organic materials combining high electron affinity with strong absorption in the visible spectrum are of interest for photodetector applications. In this study, we report two such molecular semiconductors, based upon an acceptor–donor–acceptor (A-D-A) approach. Coupling… read more here.
Keywords: dark current; acceptor; low dark; current organic ... See more keywords
Highly Efficient Ternary Near-Infrared Organic Photodetectors for Biometric Monitoring.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c20527
Abstract: Near-infrared (NIR) small-molecule acceptors that absorb at wavelengths of up to 1000 nm are attractive for applications in organic photodetectors (OPDs) and biometrics. In this study, we incorporated IEICO-4F as the third component for PffBT4T-2OD:PC71BM-based… read more here.
Keywords: highly efficient; near infrared; microscopy; organic photodetectors ... See more keywords
Efficient Near-Infrared Organic Photodetectors with Spectral Response up to 1600 nm for Accurate Alcohol Concentration Detection.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c22724
Abstract: The development of near-infrared organic photodetectors (NIR-OPDs) in 1000-1700 nm is essential for medical monitoring, food quality inspection, machine vision, and biomedical imaging. However, when solving the high dark current density (JD) in bulk-heterojunction (BHJ)… read more here.
Keywords: bhj; near infrared; organic photodetectors; infrared organic ... See more keywords
Solution-Processed Organic Photodetectors with Renewable Materials
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c00178
Abstract: An organic photodetector prepared by a simple solution method based on renewable citrus pectin with an optimized concentration of aluminum nitrate (AlC05) is introduced herein. The effects of different concentrations of aluminum nitrate on the… read more here.
Keywords: renewable materials; solution processed; organic photodetectors; processed organic ... See more keywords