Titlebook: Organic Photocurrent Multiplication; Masahiro Hiramoto Book 2023 The Editor(s) (if applicable) and The Author(s), under exclusive license

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,Photocurrent Multiplication in Organic Single Crystals—Molecular Blind Alleys,echanism as for vacuum-deposited organic films. A high response rate reaching 500 ms of the multiplied photocurrent was observed. Atomic force microscopy (AFM) of the NTCDA single-crystal surface revealed molecular-size roughness in the structural trap model and led to the identification of molecula

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High-Speed Response Devices,ation-type photodetectors. The numerical calculation based on the structural trap model, in which the molecular blind alleys were represented by slow surface mobility could reproduce the transient response profile. The key to high-speed response were the increase in the quantum efficiency of the pri

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Effect of Oxygen and Water on Photocurrent Multiplication Rates,igh vacuum chamber. O. enhanced the photocurrent multiplication rate of .-type organic semiconductors (OSCs) and suppressed that of .-type OSCs. The difference in effects of O. on .- and .-type OSCs could be attributed to the mechanism by which adsorbed O. molecules act as electron traps and produce

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Avalanche Multiplication in Perylene Molecular Crystals, increases 120-folds at an applied electric field of 1.4 × 10. Vcm.. The increase in the multiplication rate with the carrier-traveling distance at the same applied electric field strongly supports that the observed multiplication phenomenon was caused by impact ionization. The ionization rate range

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Progress in Organic Photocurrent Multiplication,e field of organic photocurrent multiplication (OPM) was established. Carrier traps are the primary cause of multiplication. Control of photocurrent multiplication by intentional doping with uniform and interfacial traps was achieved. Moreover, the concept of an incomplete percolation trap in blende

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Perspective on Organic Photocurrent Multiplication,a needle-shaped tip is expected to exhibit high multiplication performance. The artificial formation of molecular blind alleys by nanoimprint lithography and the direct design of molecular steps and kinks acting as molecular blind alleys are proposed. The trap depth (step height) was controlled usin