Recommanded Product: Aluminum triquinolin-8-olate. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: Aluminum triquinolin-8-olate, is researched, Molecular C27H18AlN3O3, CAS is 2085-33-8, about Effect of illumination intensity on a self-powered UV photodiode based on solution-processed NPD:Alq3 composite system.
In this work, the impact of UV illumination intensity on a self-powered photodiode based on organic NPD:Alq3 composite is comprehensively investigated. Solution-processed spin coating was used to fabricate the active layers followed by electrode deposition to form devices with architecture ITO/PEDOT:PSS/NPD:Alq3/LiF/Al. UV-Vis and PL spectrometers were used to investigate the properties of the active layer, while a Keithley source meter was utilized to record the current-voltage response of the photodiodes. Results showed that the self-powered photocurrent was linearly increased (with logarithmic gradient ∼ 0.5, confirming the presence of a bimol. recombination), while the photovoltage was logarithmically increased with illumination intensity. A sensitivity of 1.3 x 105 was achieved with responsivity and detectivity of 5.39 mA/W and 5.25 x 1011 Jones, resp. at 40 mW/cm2 illumination. The photodiode sensitivity was found to be linearly increased, while the responsivity and detectivity were exponentially decreased with illumination intensity. The variation of bulk resistance of the photodiode followed an exponential and linear relation under low and high illumination intensities, resp.
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Reference:
Copper catalysis in organic synthesis – NCBI,
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”