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Thermofluorescent Conjugated Polymer Sensors for Nano- and Microscale Temperature Monitoring
- Authors
- Yarimaga, Oktay; Lee, Sumi; Ham, Dae-Young; Choi, Ji-Min; Kwon, Soon Gyu; Im, Maesoon; Kim, Sungho; Kim, Jong-Man; Choi, Yang-Kyu
- Issue Date
- Jun-2011
- Publisher
- WILEY-V C H VERLAG GMBH
- Keywords
- conjugated polymers; failure analysis; fluorescence; polydiacetylene; temperature monitoring; thermo-fluorescence
- Citation
- MACROMOLECULAR CHEMISTRY AND PHYSICS, v.212, no.12, pp.1211 - 1220
- Indexed
- SCIE
SCOPUS
- Journal Title
- MACROMOLECULAR CHEMISTRY AND PHYSICS
- Volume
- 212
- Number
- 12
- Start Page
- 1211
- End Page
- 1220
- ISSN
- 1022-1352
- Abstract
- 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 pertur-bations, 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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Related Researcher
- Kim, Jong Man
- COLLEGE OF ENGINEERING (DEPARTMENT OF CHEMICAL ENGINEERING)