Thermofluorescent conjugated polymer sensors for nano/microscale temperature monitoring
- Thermofluorescent conjugated polymer sensors for nano/microscale temperature monitoring
- 임매순; Oktay Yarimaga; 이수미; 함대영; 최지민; 권순규; 김성호; 김종만; 최양규
- Issue Date
- Macromolecular chemistry and physics
- VOL 212, NO 12-1220
- It is shown that due to the inherent irreversible non‐ fluorescence to fluorescence transition feature of polydiacetylene (PDA) supramolecules that occurs in response to thermal perturbations, PDA vesicles embedded in a host polymer matrix function as nano/microscale temperature indicators. As a result, they are used to monitor temperature gradients on an integrated circuit chip and to uncover submicrometer size filamentary defects in a resistance random access memory (RRAM) device structure. This new methodology should find a wide applicability in carrying out temperature distribution analysis on semiconductor and micro‐ electromechanical system (MEMS) devices where the detection of local heat deviations of small‐ scale components is critical.
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