Enhanced Near-Infrared Organic Photodetectors Leveraging Core–Shell Nanotripods DOI Creative Commons
Kaiwen Zheng, Baozhong Deng, Nan Chen

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: June 2, 2025

Near-infrared (NIR) photodetectors are essential for diverse applications, including medical diagnostics, optical communication, and bioimaging. Traditional photodetectors, typically made from silicon III-V semiconductors, struggle with large-area devices on precured or flexible substrates due to complex manufacturing high costs. Organic (OPDs), however, offer cost-effectiveness, flexibility, a customizable spectral response. In this study, we report our effort enhance NIR absorption in OPDs by incorporating core-shell structured PdCu@Au@SiO2 nanotripods (NTs) D3h configuration, designed localized surface plasmon resonance (LSPR) beyond 1000 nm. Integrating these NTs into the OPD active layer significantly boosts absorption, achieving responsivity of 0.46 A/W dynamic range 145 dB at 1050 NT-based show superior sensitivity over control photodetector wavelengths This improvement is synergistic effects LSPR omnidirectional scattering NTs, enhancing carrier generation extraction. The improved performance highlights their potential advanced applications such as long-range photoplethysmography visual line-of-sight communication systems.

Language: Английский

Enhanced Near-Infrared Organic Photodetectors Leveraging Core–Shell Nanotripods DOI Creative Commons
Kaiwen Zheng, Baozhong Deng, Nan Chen

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: June 2, 2025

Near-infrared (NIR) photodetectors are essential for diverse applications, including medical diagnostics, optical communication, and bioimaging. Traditional photodetectors, typically made from silicon III-V semiconductors, struggle with large-area devices on precured or flexible substrates due to complex manufacturing high costs. Organic (OPDs), however, offer cost-effectiveness, flexibility, a customizable spectral response. In this study, we report our effort enhance NIR absorption in OPDs by incorporating core-shell structured PdCu@Au@SiO2 nanotripods (NTs) D3h configuration, designed localized surface plasmon resonance (LSPR) beyond 1000 nm. Integrating these NTs into the OPD active layer significantly boosts absorption, achieving responsivity of 0.46 A/W dynamic range 145 dB at 1050 NT-based show superior sensitivity over control photodetector wavelengths This improvement is synergistic effects LSPR omnidirectional scattering NTs, enhancing carrier generation extraction. The improved performance highlights their potential advanced applications such as long-range photoplethysmography visual line-of-sight communication systems.

Language: Английский

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