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Vertically aligned nanocomposite films by self-assembled epitaxial nucleation for super-broadband transparent conductors
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作者 youngkyoung ha Judith L.MacManus-Driscoll Shinbuhm Lee 《InfoMat》 SCIE CSCD 2023年第4期14-24,共11页
Designing super-broadband transparent conductors is challenging because of the exclusive nature of conductivity and infrared transmittance.Here,using a one-step process,we created vertically aligned nanocomposite cond... Designing super-broadband transparent conductors is challenging because of the exclusive nature of conductivity and infrared transmittance.Here,using a one-step process,we created vertically aligned nanocomposite conducting films with high transparency across a super-broad wavelength range.Vertically aligned transparent Ba_(3)V_(2)O_(8)nanocolumns with lateral-100-nm widths enable high transmittance(>50%,even at a 4-μm wavelength)for all incident light and outperform that of Sn-doped In_(2)O_(3),while the conducting SrVO_(3)matrix retains low resistivity(<0.56 mΩcm at room temperature).A combined study of scanning transmission electron microscopy,scattering scanning nearfield infrared microscopy,and X-ray diffraction revealed that spontaneous phase separation of Ba_(3)V_(2)O_(8)nanocolumns in a SrVO_(3)matrix film occurs via self-assembled epitaxial nucleation.Our vertically aligned nanocomposite films provide a fertile platform for next-generation optoelectronics. 展开更多
关键词 epitaxial nucleation spontaneous phase separation SrVO_(3)-Ba_(3)V_(2)O_(8) super-broadband transparent conductors vertically aligned nanocomposite films
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