Novel Yellow Aromatic Imine Derivative Incorporating Oxazolone Moiety for Color Resist Applications
Source abstract
Abstract
A novel aromatic imine derivative, 2′-(1,4-phenylene)bis[4-[(4-methoxyphenyl)methylene]-5(4H)-oxazolone] (PBMBO), was designed and synthesized as a yellow colorant additive for green color filters used in image sensors. The optical and thermal properties of the newly developed material were evaluated both in solution and within color filter film conditions. PBMBO demonstrated a molar extinction coefficient of 2.24 × 104 L/mol·cm in solution, surpassing that of the commercially employed yellow colorant MBIQO by a factor of 1.82. Color resist (CR) films incorporating PBMBO exhibited outstanding optical characteristics, displaying 0.03% transmittance at 435 nm, 99.3% transmittance at 530 nm, and a sharp slope within the 400 to 550 nm range. The decomposition temperature of PBMBO was 303 °C, indicating relatively superior thermal stability compared to MBIQO. Consequently, PBMBO emerges as a highly promising candidate for a yellow colorant additive in imaging sensor color filters, owing to its exceptional optical and thermal stability. Its potential applications are anticipated to extend across various fields of organic semiconductors.
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Research context
OpenAlex topics: Synthesis and properties of polymers · Epoxy Resin Curing Processes · Synthesis of Tetrazole Derivatives
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Integrated Engineering, Department of Chemical Engineering, Kyung Hee University, Youngin 17104, Republic of Korea
Funding
Gyeonggi Province
References (32)
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