Effect of pyrolysis temperature on structural, microstructural and optical properties of nanocrystalline ZnO powders synthesised by ultrasonic spray pyrolysis technique
In this article, we report on the effect of pyrolysis temperature on structural, microstructural and optical properties of nanocrystalline ZnO powder synthesised by ultrasonic spray pyrolysis (USP) technique. Powder samples P1, P2 and P3 were prepared at various pyrolysis temperatures (temperature o...
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| Veröffentlicht in: | Journal of experimental nanoscience 2011-06, Vol.6 (3), p.311-323 |
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| creator | Patil, L.A. Bari, A.R. Shinde, M.D. Deo, Vinita |
| description | In this article, we report on the effect of pyrolysis temperature on structural, microstructural and optical properties of nanocrystalline ZnO powder synthesised by ultrasonic spray pyrolysis (USP) technique. Powder samples P1, P2 and P3 were prepared at various pyrolysis temperatures (temperature of 2nd zone) of 973, 1073 and 1273 K, respectively. Phases were identified and crystallite sizes were calculated from X-ray diffraction (XRD) diagrams. The morphology and size of ZnO nanocrystallites associated with nanopowder were studied using transmission electron micrograph (TEM). It revealed that the powder consisted of crystallites ranging in size from 9 to 20 nm. These values were matching with the crystallite sizes calculated from XRD. Both XRD and TEM studies of ZnO nanopowders showed that the crystallite sizes increased with an increase in the pyrolysis temperature. The synthesised nanopowders exhibited direct band gap (E
g
) in the range 3.37-3.40 eV. |
| doi_str_mv | 10.1080/17458080.2010.509871 |
| format | Article |
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g
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g
) in the range 3.37-3.40 eV.</description><subject>crystallite size</subject><subject>Crystallites</subject><subject>Nanocomposites</subject><subject>nanocrystalline</subject><subject>Nanocrystals</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Pyrolysis</subject><subject>pyrolysis temperature</subject><subject>TEM</subject><subject>Transmission electron microscopy</subject><subject>ultrasonic spray pyrolysis</subject><subject>Zinc oxide</subject><subject>ZnO</subject><issn>1745-8080</issn><issn>1745-8099</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFUctu3SAUtKpEyqt_kAW7bnoTsMHAKqqipK0UKZtm0w3C-KAQYXAAK_If9TODdZtW3aQrhtHMHDjTNOcEXxAs8CXhlIkKLlpcKYal4ORDc7zRO4GlPPiDBT5qTnJ-wphSwfhx8-vGWjAFRYvmNUW_ZpdRgWmGpMuSAMWAckmLqRftP6PJmRT_EkiHEcW5OFPxnGK1FQd5iws6RJPWXLT3LgD6Ge7RHF9GSBnlNZRHqKNgRMOKFl-SzjE4g_Kc9PrPU8xjcM8LnDWHVvsMH3-fp83D7c2P62-7u_uv36-_3O0MJbzsun7oNNcjSFP3gHVrpGWE9wNvJWMjg46MnQVCJONi6G0_UKNH2VFmBjC8706bT_vc-ps6Nhc1uWzAex0gLllJTHrKOWH_VQrZty0TnFYl3Su33eUEVs3JTTqtimC1NajeGlRbg2rfYLVd7W0u2Jgm_RKTH1XRq4_JJh2My6p7N-EVH8yowQ</recordid><startdate>201106</startdate><enddate>201106</enddate><creator>Patil, L.A.</creator><creator>Bari, A.R.</creator><creator>Shinde, M.D.</creator><creator>Deo, Vinita</creator><general>Taylor & Francis Group</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>201106</creationdate><title>Effect of pyrolysis temperature on structural, microstructural and optical properties of nanocrystalline ZnO powders synthesised by ultrasonic spray pyrolysis technique</title><author>Patil, L.A. ; Bari, A.R. ; Shinde, M.D. ; Deo, Vinita</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c417t-36b3a7ade9c5090a2c9f5176b72955d5e31d3fe119578b6f6b4cad9345cbec763</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>crystallite size</topic><topic>Crystallites</topic><topic>Nanocomposites</topic><topic>nanocrystalline</topic><topic>Nanocrystals</topic><topic>Nanomaterials</topic><topic>Nanostructure</topic><topic>Pyrolysis</topic><topic>pyrolysis temperature</topic><topic>TEM</topic><topic>Transmission electron microscopy</topic><topic>ultrasonic spray pyrolysis</topic><topic>Zinc oxide</topic><topic>ZnO</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Patil, L.A.</creatorcontrib><creatorcontrib>Bari, A.R.</creatorcontrib><creatorcontrib>Shinde, M.D.</creatorcontrib><creatorcontrib>Deo, Vinita</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of experimental nanoscience</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Patil, L.A.</au><au>Bari, A.R.</au><au>Shinde, M.D.</au><au>Deo, Vinita</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of pyrolysis temperature on structural, microstructural and optical properties of nanocrystalline ZnO powders synthesised by ultrasonic spray pyrolysis technique</atitle><jtitle>Journal of experimental nanoscience</jtitle><date>2011-06</date><risdate>2011</risdate><volume>6</volume><issue>3</issue><spage>311</spage><epage>323</epage><pages>311-323</pages><issn>1745-8080</issn><eissn>1745-8099</eissn><abstract>In this article, we report on the effect of pyrolysis temperature on structural, microstructural and optical properties of nanocrystalline ZnO powder synthesised by ultrasonic spray pyrolysis (USP) technique. Powder samples P1, P2 and P3 were prepared at various pyrolysis temperatures (temperature of 2nd zone) of 973, 1073 and 1273 K, respectively. Phases were identified and crystallite sizes were calculated from X-ray diffraction (XRD) diagrams. The morphology and size of ZnO nanocrystallites associated with nanopowder were studied using transmission electron micrograph (TEM). It revealed that the powder consisted of crystallites ranging in size from 9 to 20 nm. These values were matching with the crystallite sizes calculated from XRD. Both XRD and TEM studies of ZnO nanopowders showed that the crystallite sizes increased with an increase in the pyrolysis temperature. The synthesised nanopowders exhibited direct band gap (E
g
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| subjects | crystallite size Crystallites Nanocomposites nanocrystalline Nanocrystals Nanomaterials Nanostructure Pyrolysis pyrolysis temperature TEM Transmission electron microscopy ultrasonic spray pyrolysis Zinc oxide ZnO |
| title | Effect of pyrolysis temperature on structural, microstructural and optical properties of nanocrystalline ZnO powders synthesised by ultrasonic spray pyrolysis technique |
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