High-Performance and Low-Cost Gradient Refractive Index Films for Ultra-Broadband and Ultra-Wide Angle Antireflective Applications
Han Wu
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
State key laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027 China
Search for more papers by this authorZhenghao Huan
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
Search for more papers by this authorHaiqi Gao
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
Search for more papers by this authorHaidong He
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
Search for more papers by this authorJunren Wen
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
Search for more papers by this authorYueguang Zhang
State key laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027 China
Search for more papers by this authorTao Liang
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
Search for more papers by this authorYifan Zheng
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
Search for more papers by this authorYuchuan Shao
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
Search for more papers by this authorCorresponding Author
Weidong Shen
State key laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027 China
E-mail: [email protected][email protected]
Search for more papers by this authorCorresponding Author
Chenying Yang
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
State key laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027 China
E-mail: [email protected][email protected]
Search for more papers by this authorHan Wu
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
State key laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027 China
Search for more papers by this authorZhenghao Huan
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
Search for more papers by this authorHaiqi Gao
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
Search for more papers by this authorHaidong He
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
Search for more papers by this authorJunren Wen
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
Search for more papers by this authorYueguang Zhang
State key laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027 China
Search for more papers by this authorTao Liang
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
Search for more papers by this authorYifan Zheng
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
Search for more papers by this authorYuchuan Shao
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800 China
Search for more papers by this authorCorresponding Author
Weidong Shen
State key laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027 China
E-mail: [email protected][email protected]
Search for more papers by this authorCorresponding Author
Chenying Yang
Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024 China
State key laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou, 310027 China
E-mail: [email protected][email protected]
Search for more papers by this authorAbstract
Gradient refractive index (GRIN) films have great potential for applications in photovoltaics, imaging, and other fields due to their excellent antireflective ability. However, the development of highly reproducible processes for large-area GRIN film preparation remains challenging. Here, a novel method to fabricate GRIN nanoporous silica films is proposed using magnetron co-sputtering of silica-alumina composite multilayer films followed by single-step selective wet etching with phosphoric acid. The GRIN film with excellent ultra-broadband, ultra-wide angle antireflective properties (average double-sided reflection suppressed within 14.2% up to 70° for 400–2000 nm band), high reproducibility, and good environmental reliability is demonstrated. Furthermore, the photovoltaic glass covers prepared with this GRIN film are verified to help reduce the energy loss in solar cells.
Conflict of Interest
The authors declare no conflict of interest.
Open Research
Data Availability Statement
The data that support the findings of this study are available from the corresponding author upon reasonable request.
Supporting Information
| Filename | Description |
|---|---|
| lpor202402228-sup-0001-SuppMat.docx3.3 MB | Supporting Information |
Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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