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Progress on Optical Clear Adhesives of Organic-Inorganic Nanocomposites with High Refractive Index
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Yinglu LIU, Xinyi YU, Dan WANG
Materials China | 2026, 45(10) : 1039 - 1046
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Materials China | 2026, 45(10): 1039-1046
• Comprehensive Review •
Progress on Optical Clear Adhesives of Organic-Inorganic Nanocomposites with High Refractive Index
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Yinglu LIU, Xinyi YU, Dan WANG
Affiliations
  • State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
Published: 2026-10-20 doi: 10.7502/j.issn.1674-3962.202606027
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Optical clear adhesives (OCA) are key supporting materials in optical manufacturing and electronic assembly, which serve as critical supporting products for new-generation information technology, and refractive index of materials directly governs imaging quality and signal transmission efficiency in numerous application scenarios including lens assembly, filter lamination, fiber coupling and sensor packaging. Nevertheless, constrained by the structural properties of organic molecules and polymer chains, the refractive index of organic materials is usually below 1.7. Composites of polymers and inorganic nanoparticles have been proved to be an effective strategy to fabricate OCA featuring both high light transmittance and high refractive index. Focusing on recent research advances of organic-inorganic nanocomposites with high refractive index, this paper systematically summarizes research achievements covering design strategies, regulation mechanisms, preparation technologies and practical applications. Combined with relevant studies conducted by our research group, the future research direction toward transformation from lab-scale specimens to industrial commercial products is proposed.

optical materials  /  new-generation information technology  /  refractive index  /  organic-inorganic composite  /  nanomaterials
刘莹璐, 余歆祎, 王丹. 高折射率有机无机纳米复合透明光学胶材料研究进展. 中国材料进展, 2026 , 45 (10) : 1039 -1046 . DOI: 10.7502/j.issn.1674-3962.202606027
Yinglu LIU, Xinyi YU, Dan WANG. Progress on Optical Clear Adhesives of Organic-Inorganic Nanocomposites with High Refractive Index[J]. Materials China, 2026 , 45 (10) : 1039 -1046 . DOI: 10.7502/j.issn.1674-3962.202606027
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Year 2026 volume 45 Issue 10
91
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Article Info
doi: 10.7502/j.issn.1674-3962.202606027
  • Receive Date：2026-06-25
  • Online Date：2026-10-16
  • Published：2026-10-20
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History
  • Received：2026-06-25
  • Revised：2026-07-23
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    State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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