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Abstract
This paper discusses an organic-inorganic hybrid white photodetector with the structure of ITO/AZO/ZnO NWs:P3HT: PCBM/PEDOT: PSS/Al produced with an electrostatic spraying method. The method of production was as follows: First, different spraying methods (continuous spraying, discontinuous spraying) and different spraying times were tested before the final electrostatic spraying. Then, different annealing times (10 min and 20 min) were tested to anneal the coated film. Lastly, we investigated the photoelectric properties, including transparency analysis of the film surface topography through XRD, OM, FE-SEM, AFM and UV-VIS. The results showed that the detector with discontinuous spraying and 20 mins annealing had a photocurrent of approx. 22.1×10–4A, dark current (drain current) of approx. 1.94×10–7A, and a ratio of photocurrent to dark current of approximately 1.14×104, which produced optimal photoelectric characteristics.