AI Article Synopsis
- Colorful solar cells, particularly perovskite solar cells (PSCs), are emerging as a blend of efficiency and visual appeal due to their high power conversion efficiency and processing flexibility.
- Researchers developed new electron transport layers (ETLs) with 2D photonic crystal structures, specifically the 2D inverse opal (IO) structured SnO and a composite of SnO-TiO, enhancing electron transfer and aesthetic qualities.
- The new ETLs were successfully integrated into CHNHPbI-based PSC devices, achieving an impressive efficiency of 16.8% while maintaining vibrant structural colors.
Article Abstract
Colorful solar cells have been much sought after because they can generate electricity and concurrently satisfy ornamentation purposes. Owing to their outstanding power conversion efficiency and flexibility in processing, perovskite solar cells (PSCs) have the great potential to become both efficient and aesthetically appealing. Here, we specially devise and fabricate two novel electron transport layers (ETLs) for PSCs with two-dimensional (2D) photonic crystal structures, namely the 2D inverse opal (IO) structured SnO (IOS) and SnO-TiO composite (IOST), using the template-assisted spin-coating method. The synergistic structure and material modifications to the ETLs lead to a number of unique features, including the remarkable electron transfer ability, vivid colors and good protection to the infiltrated perovskite films. Furthermore, the IOS and IOST ETLs are effectively incorporated into the CHNHPbI-based PSC devices that deliver the best efficiency of 16.8% with structural colors.
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| http://dx.doi.org/10.1039/d0nr00459f | DOI Listing |
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