期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 6, 期 42, 页码 11471-11478出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8tc00960k
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资金
- Special Funds for the Development of Strategic Emerging Industries in Shenzhen [JCJY20170818154457845, JCJY20160523160822851]
This study presents the use of a green solvent processed tetramethyl-substituted aluminum phthalocyanine (AlMePc) thin film as an anode buffer layer in an organic light-emitting diode (OLED). The aim of the study was to probe the feasibility of green processing conditions for OLED fabrication. The hole-blocking properties of the AlMePc layer were determined to achieve devices with more balanced charge injection and transport processes. We achieved a significantly enhanced luminance of 11790 cd m(-2), which is twice that of a comparable diode without this anode buffer layer. Additionally, a higher luminous efficiency and power efficiency were obtained for the AlMePc-based OLED than those for a PEDOT:PSS-based diode. Furthermore, the improved charge balance in the OLED achieved by using the AlMePc layer along with its non-aqueous, organic processing methods yielded a maximum half-lifetime of 1860 min at a driving current density of 100 mA cm(-2).
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