AI Article Synopsis
- Flexible optoelectronics is a growing field focused on creating devices for applications like image sensors and energy conversion, especially using innovative materials.
- Researchers developed high-performance UV photodetectors by integrating AZO/ZnO nanorods with flexible materials on human hair, achieving remarkable response times and image quality.
- The study suggests that using human hair as a substrate could lead to new, affordable optoelectronic devices with advanced capabilities, including versatile logic functions.
Article Abstract
Flexible optoelectronics is an emerging research field that has attracted a great deal of interest in recent years due to the special functions and potential applications of these devices in flexible image sensors, optical computing, energy conversion devices, the Internet of Things, and other technologies. Here, we examine the high-performance ultraviolet (UV) photodetectors using AZO/ZnO nanorods/PVK/PEDOT:PSS heterostructures integrated on human hair. Due to the precise interfacial energy-level alignment among all layers and superior mechanical characteristics of human hair, the as-obtained photodetector shows a fast response time, high photoresponsivity, and excellent flexibility. According to integrate 7 heterostructures as 7 display pixels, the flexible UV-image sensor has superior device performance and outstanding flexibility and can produce vivid and accurate images of Arabic numerals from 0 to 9. Different combinations of the two heterostructures can also be used to achieve flexible photon-triggered logic functions, including AND, OR, and NAND gates. Our findings indicate the possibility of using human hair as a fiber-shaped flexible substrate and will allow the use of hair-based hierarchical heterostructures as building blocks to create exciting opportunities for next-generation high-performance, multifunctional, low-cost, and flexible optoelectronic devices.
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| http://dx.doi.org/10.1021/acsami.9b07423 | DOI Listing |
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