journal article·2023-01

Semitransparent Organic Solar Cells with Viewing‐Angle‐Independent Janus Structural Colors

Jing De Chen, Hui‐Min Liu, Hao Ren, Ye‐Fan Zhang, Hong‐Yi Hou, Yan‐Qing Li, Zisheng Su, Jian‐Xin Tang

Advanced Optical Materials· Volume 11· Issue 1
Publisher page

Abstract

Abstract Semitransparent organic solar cells (STOSCs) hold great promise for applications ranging from building‐integrated photovoltaics to portable electronic devices, yet often challenging over the realization of color tunability. The structural colors generated by microcavity, subwavelength grating, or photonic crystals are highly dependent on the viewing angle, which limits the application of STOSCs in real scenarios. Herein, the spectrally selective substrates consisting of silica spheres‐based amorphous photonic crystals (APCs) are proposed to unify the optical spectra of STOSCs at different viewing angles. By optimizing the periodicity of APCs, STOSCs exhibit viewing‐angle‐independent reflection with colors varying from blue to pink. The synergetic interplay between the reflection of APCs and the absorption of active layer results in the Janus optical effect that the transmitted light is fixed at blue regardless of the reflected color. The STOSCs on flexible plastic retain the stable color even at bending state. These results pave the way for the potential application of colorful solar photovoltaic glass curtains.
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Research context

OpenAlex topics: Photonic Crystals and Applications · Liquid Crystal Research Advancements · Polydiacetylene-based materials and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Functional Nano & Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon‐Based Functional Materials & Devices Soochow University Suzhou Jiangsu 215123 China

School of Physics and Electronic Science Ministry of Education Nanophotonics & Advanced Instrument Engineering Research Center East China Normal University Shanghai 200062 China

College of Physics and Information Engineering Key Laboratory of Information Functional Material for Fujian Higher Education Quanzhou Normal University Quanzhou 362000 China

Macao Institute of Materials Science and Engineering (MIMSE) MUST‐SUDA Joint Research Center for Advanced Functional Materials Faculty of Innovation Engineering Macau University of Science and Technology Macao Taipa 999078 China

Funding

National Key Research and Development Program of China · National Natural Science Foundation of China · Science and Technology Innovation Plan Of Shanghai Science and Technology Commission · Collaborative Innovation Center of Suzhou Nano Science and Technology

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