Transparent Solar Window with Two Advantages and One Disadvantage is Suitable for BIPV

Transparent solar windows are a form of solar windows that have a light-harvesting layer embedded within them. A group of scientists from South Korea’s Incheon National University has come up with a low-cost transparent solar window that, as per claims, is able to operate as a self-powered photodetector and a power generator. This new type of solar window has high transparency, low cost, but having low efficiency.

This transparent solar window is such that more than 57% of visible light is transmitted through it and close to 2.1% efficiency is suitable for industrial markets such as building integrated photovoltaic (BIPV) and vehicle integrated photovoltaic (VIPV). Although the low efficiency of it is a barrier for being commercial at this time, scientists promise this type of solar windows has a great potential to reach a higher efficiency by optimizing optical and electrical properties.

According to PV-Magazine, this device was built with a glass substrate, a fluorine-doped tin oxide (FTO) film – on top of which the two layers were deposited – and a coating of a silver nanowire. “The FTO and silver nanowires (AgNWs) serve as the bottom and the top electrodes for collecting photo-generated carriers, respectively. The fully transparent solar cell is based on a titanium dioxide (TiO2) layer which is used as a UV light absorber and has a Nickel(II) oxide (NiO) layer deposited for high transmittance for visible light. “The p-type semiconductor NiO serves as the heterojunction counterpart to n-type TiO2.

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Source:@ PV-Magazine & @Solar_Edition
Photo: @ PV-Magazine & @Solar_Edition
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