期刊
NPJ FLEXIBLE ELECTRONICS
卷 5, 期 1, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41528-021-00127-7
关键词
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资金
- National Key Research and Development Program of China - MOST [2019YFA0705900]
- Basic and Applied Basic Research Major Program of Guangdong Province [2019B030302007]
- National Natural Science Foundation of China [51521002]
- Guangdong-Hong Kong-Macao joint laboratory of optoelectronic and magnetic functional materials [2019B121205002]
Improving the stretchable transparent electrode (STE) is crucial for achieving adhesive and conformable wearable electronics. By using a nonuniform Young's modulus structure with silver nanowire, a highly efficient ultraflexible wearable device was fabricated, enabling energy-harvesting and biomedical-sensing applications.
To achieve adhesive and conformable wearable electronics, improving stretchable transparent electrode (STE) becomes an indispensable bottleneck needed to be addressed. Here, we adopt a nonuniform Young's modulus structure with silver nanowire (AgNW) and fabricate a STE layer. This layer possesses transparency of >88% over a wide spectrum range of 400-1000 nm, sheet resistance below 20 omega sq(-1), stretchability of up to 100%, enhanced mechanical robustness, low surface roughness, and good interfacial wettability for solution process. As a result of all these properties, the STE enables the fabrication of a highly efficient ultraflexible wearable device comprising of both organic photovoltaic (OPV) and organic photodetector (OPD) parts with high mechanical durability and conformability, for energy-harvesting and biomedical-sensing applications, respectively. This demonstrates the great potential of the integration of OPVs and OPDs, capable of harvesting energy independently for biomedical applications, paving the way to a future of independent conformable wearable OPV/OPDs for different applications.
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