期刊
NANOSCALE
卷 8, 期 15, 页码 8078-8082出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6nr00431h
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类别
资金
- Thousand Talents program of China
- Chinese Academy of Sciences
- National Natural Science Foundation of China [51432005, 61405040, 61505010, 51502018]
- Beijing City Committee of science and technology [Z151100003315010]
As widely applied in light-emitting diodes and optical devices, CdS has attracted the attention of many researchers due to its nonlinear properties and piezo-electronic effect. Here, we demonstrate a LED array composed of PEDOT: PSS and CdS nanorods and research the piezo-photonic effect of the array device. The emission intensity of the device depends on the electron-hole recombination at the interface of the p-n junction which can be adjusted using the piezo-phototronic effect and can be used to map the pressure applied on the surface of the device with spatial resolution as high as 1.5 mu m. A flexible LED device array has been prepared using a CdS nanorod array on a Au/Cr/kapton substrate. This device may be used in the field of strain mapping using its high pressure spatial-resolution and flexibility.
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