Proceedings of Asia-Pacific Conference on Perovskite, Organic Photovoltaics&Optoelectronics (IPEROP25)
Publication date: 17th October 2024
Extreme thinness can reduce the weight of electronics, which dramatically reduces discomfort when wearing. Furthermore, it also improves their mechanical robustness to bending because applied strain is determined by the material's softness and device thickness. In the simplified model, the film thickness is inversely proportional to the strain value, such that a thinner thickness means that the device experiences less strain for the same bending radius [1]. Furthermore, intrinsically stretchability enables attachment onto movable parts such as body joints. These advantages have inspired research into ultra-thin and stretchable organic solar cells and related integrated electronics.
We are focusing on to improvement both power conversion efficiency (PCE) and environmental stability of flexible/stretchable organic solar cells. We achieved water proof and high-performance ultrathin organic solar cells that can be operated underwater [1]. An innovation on the structures enabled much improved water stability of flexible organic solar cells. Additionally, we developed a self-powered wearable sensor by integrating all-solution processed trilayer structure with organic optoelectronics [2]. With such ultrathin organic solar cells, we enabled rechargeable wearable electronic systems for living small insects using ultra-thin organic solar cells [3]. The ultimate thinness and lightweight properties enable secured basic motion abilities of insects even with our solar cell modules attached to their abdominal surface.
This study was financially supported by the Japan Science and Technology Agency A-STEP (no. AS3015021R) and by the Japan Society for the Promotion of Science under Grants-in-Aid for Scientific Research (KAKENHI) (no. JP22H04949).
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
The main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.
The International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and Optoelectronics (NIPHO) is the best place to hear the latest developments in perovskite solar cells as well as on recent advances in the fields of perovskite light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.