Site-specific growth of oriented ZnO nanocrystal arrays
| العنوان: | Site-specific growth of oriented ZnO nanocrystal arrays |
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| المؤلفون: | Sujeet Chaudhary, Jori Lemettinen, Christoffer Kauppinen, Vladislav Khayrudinov, Dinesh K. Pandya, Rekha Bai, Veer Dhaka, Harri Lipsanen |
| المساهمون: | Indian Institute of Technology, Department of Electronics and Nanoengineering, Harri Lipsanen Group, Markku Sopanen Group, Aalto-yliopisto, Aalto University |
| المصدر: | Beilstein Journal of Nanotechnology, Vol 10, Iss 1, Pp 274-280 (2019) Beilstein Journal of Nanotechnology |
| بيانات النشر: | Beilstein-Institut, 2019. |
| سنة النشر: | 2019 |
| مصطلحات موضوعية: | Diffraction, Fabrication, Morphology (linguistics), Materials science, nucleation, ta221, Nucleation, General Physics and Astronomy, twinning, 02 engineering and technology, 010402 general chemistry, lcsh:Chemical technology, 01 natural sciences, lcsh:Technology, Full Research Paper, Ion, nanocrystals, Nanotechnology, General Materials Science, lcsh:TP1-1185, Electrical and Electronic Engineering, lcsh:Science, growth kinetics, business.industry, lcsh:T, zinc oxide, 021001 nanoscience & nanotechnology, lcsh:QC1-999, 0104 chemical sciences, Indium tin oxide, Nanoscience, Nanocrystal, electrodeposition, Optoelectronics, lcsh:Q, 0210 nano-technology, business, Crystal twinning, lcsh:Physics |
| الوصف: | We report on the growth of ZnO nanocrystals having a hexagonal, prismatic shape, sized 700 nm × 600 nm, on bare indium tin oxide (ITO) substrates. The growth is induced by a low ion flux and involves a low-temperature electrodeposition technique. Further, vertically aligned periodic nanocrystal (NC) growth is engineered at predefined positions on polymer-coated ITO substrates patterned with ordered pores. The vertical alignment of ZnO NCs along the c-axis is achieved via ion-by-ion nucleation-controlled growth for patterned pores of size ≈600 nm; however, many-coupled branched NCs with hexagonal shape are formed when a patterned pore size of ≈200 nm is used. X-ray diffraction data is in agreement with the observed morphology. A mechanism is proposed to interpret the observed site-specific oriented/branched growth that is correlated to the pore size. As ordered NC arrays have the potential to generate new collective properties different from single NCs, our first demonstration of a cost effective and facile fabrication process opens up new possibilities for devices with versatile functionalities. |
| وصف الملف: | application/pdf |
| اللغة: | English |
| تدمد: | 2190-4286 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d7c4558914533a4b4be565c44485b22 https://doaj.org/article/3a2550dba6e547228e14f5047735c759 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....0d7c4558914533a4b4be565c44485b22 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 21904286 |
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