期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 5, 期 34, 页码 8796-8801出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7tc02175e
关键词
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资金
- EPSRC [1480036]
- Sustainable Manufacturing of Transparent Conducting Oxide (TCO) Inks and Thin Films'' project [EP/L017709/1]
- Engineering and Physical Sciences Research Council [EP/L017709/1, 1480036] Funding Source: researchfish
- EPSRC [EP/L017709/1] Funding Source: UKRI
Silicon-doped zinc oxide, Zn1-xSixOy, transparent conducting oxide nanoparticles were prepared using a laboratory scale (production rate of 60 g h(-1)) continuous hydrothermal flow synthesis (CHFS) process in the dopant range 0.25 to 3.0 at% Si. The resistivity of the materials was assessed as pressed heat-treated pellets, revealing that the sample with the lowest resistivity (3.5 x 10(-2) Omega cm) was the 0.25 at% Si doped ZnO sample. The synthesis of this optimum composition was then scaled up to 350 g h(-1) using a larger pilot plant CHFS process. Spin coating of a slurry of the resulting nanopowder made on the pilot plant, followed by an appropriate heat-treatment, produced a thin film with an optical transmission > 80% and a low resistivity of 2.4 x 10(-3) Omega cm, with a carrier concentration of 1.02 x 10(20) cm(-3) and a mobility of 11 cm(2) V-1 s(-1). This is a factor of almost twenty times improvement in the resistivity versus the analogous pressed, heat-treated pellet.
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