A flexible and stretchable photonic crystal film with sensitive structural color-changing properties for spoiled milk detection

• Published in: Food Chemistry: X Vol. 16; p. 100526
• Main Authors: Thao, Do Thi Vien, Weng, Wei-Tzu, Hieu, Nguyen Van, Chang, Cheng-Chung, Wang, Gou-Jen
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier Ltd 30.12.2022; Elsevier
• Subjects: Flexible and stretchable photonic crystals; Nanimprinting; Spoiled milk detection; Strain-controllable structural color change; Flexible and stretchable photonic crystals; Nanimprinting; Spoiled milk detection; Strain-controllable structural color change

[Display omitted] •We propose a smart flexible and stretchable polymer film with photonic crystals for visible detection of spoilage milk.•This film enables the simultaneous change of photonic crystal periodicity and incident angles with minimal strain.•The structural color change of the fabricated...