Preparation, structural and spectroscopic study of sol-gel-synthesized Cr3+:Al2O3 powder
Chromium-doped α - Al 2 O 3 powder was synthesized by a modified sol–gel method using poly(vinyl alcohol) aqueous solutions and metal nitrate precursors. The synthesis process is simple, is of low cost and produced final crystals with cubic shape as confirmed by X-ray diffraction. The morphology of...
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| Veröffentlicht in: | SN applied sciences 2019-12, Vol.1 (12), p.1597 |
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| creator | Capeloto, Otávio A. de Souza, Nivaldo E. Santos, Ivair A. Astrath, Nelson G. C. Miranda, Isabella. T. P. Pilatti, Luiz A. Hechenleitner, Ana A. W. Pineda, Edgardo A. G. de Melo, Maurício A. C. |
| description | Chromium-doped
α
-
Al
2
O
3
powder was synthesized by a modified sol–gel method using poly(vinyl alcohol) aqueous solutions and metal nitrate precursors. The synthesis process is simple, is of low cost and produced final crystals with cubic shape as confirmed by X-ray diffraction. The morphology of the samples verified by scanning electron microscopy showed slabs with thickness below 1
μ
m
, formed by interconnected long grains of typical thickness of around 200
nm
, showing growth of the grains as followed by thermogravimetric analysis. Luminescence characteristics of
Cr
3
+
were detected and analyzed as a function of the concentration of chromium using photoacoustic and photoluminescence spectroscopies.
Graphic abstract |
| doi_str_mv | 10.1007/s42452-019-1631-9 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_sprin</sourceid><recordid>TN_cdi_proquest_journals_2788427660</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2788427660</sourcerecordid><originalsourceid>FETCH-LOGICAL-p156t-8b2298e520a647ba49b30962c45a3f33b9af4a50e3f9d9b02982548abad91e403</originalsourceid><addsrcrecordid>eNpFkE1LxDAURYMoOOj8AHcBlxpN8pK0cTcMfsHAuFBwF9I2HTuUJiYpMv56O4zo6l14h3vhIHTB6A2jtLhNggvJCWWaMAWM6CM045IDAV2w47-s4BTNU9pSSnmhQZQwQ-8v0QUbbe78cI1TjmOdx2h7bIcGp-DqHH2qfejq6Tk2O-xbnHxPNq4naTfkD5e6b9fgZYSru0XP14CD_2pcPEcnre2Tm__eM_T2cP-6fCKr9ePzcrEigUmVSVlxrksnObVKFJUVugKqFa-FtNACVNq2wkrqoNWNrugEcylKW9lGMyconKHLQ2-I_nN0KZutH-MwTRpelKXghVJ7ih-oFGI3bFz8pxg1e4nmINFMEs1eotHwA8yfZCE</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2788427660</pqid></control><display><type>article</type><title>Preparation, structural and spectroscopic study of sol-gel-synthesized Cr3+:Al2O3 powder</title><source>Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals</source><creator>Capeloto, Otávio A. ; de Souza, Nivaldo E. ; Santos, Ivair A. ; Astrath, Nelson G. C. ; Miranda, Isabella. T. P. ; Pilatti, Luiz A. ; Hechenleitner, Ana A. W. ; Pineda, Edgardo A. G. ; de Melo, Maurício A. C.</creator><creatorcontrib>Capeloto, Otávio A. ; de Souza, Nivaldo E. ; Santos, Ivair A. ; Astrath, Nelson G. C. ; Miranda, Isabella. T. P. ; Pilatti, Luiz A. ; Hechenleitner, Ana A. W. ; Pineda, Edgardo A. G. ; de Melo, Maurício A. C.</creatorcontrib><description>Chromium-doped
α
-
Al
2
O
3
powder was synthesized by a modified sol–gel method using poly(vinyl alcohol) aqueous solutions and metal nitrate precursors. The synthesis process is simple, is of low cost and produced final crystals with cubic shape as confirmed by X-ray diffraction. The morphology of the samples verified by scanning electron microscopy showed slabs with thickness below 1
μ
m
, formed by interconnected long grains of typical thickness of around 200
nm
, showing growth of the grains as followed by thermogravimetric analysis. Luminescence characteristics of
Cr
3
+
were detected and analyzed as a function of the concentration of chromium using photoacoustic and photoluminescence spectroscopies.
Graphic abstract</description><identifier>ISSN: 2523-3963</identifier><identifier>EISSN: 2523-3971</identifier><identifier>DOI: 10.1007/s42452-019-1631-9</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>4. Materials (general) ; Aluminum oxide ; Applied and Technical Physics ; Aqueous solutions ; Chemical synthesis ; Chemistry/Food Science ; Chromium ; Crystals ; Earth Sciences ; Engineering ; Environment ; Grains ; Lasers ; Light ; Materials Science ; Nitrates ; Photoluminescence ; Photons ; Polyvinyl alcohol ; Radiation ; Reagents ; Research Article ; Scanning electron microscopy ; Slabs ; Sol-gel processes ; Spectrum analysis ; Thermogravimetric analysis ; Thickness ; X-ray diffraction</subject><ispartof>SN applied sciences, 2019-12, Vol.1 (12), p.1597</ispartof><rights>Springer Nature Switzerland AG 2019</rights><rights>Springer Nature Switzerland AG 2019.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Capeloto, Otávio A.</creatorcontrib><creatorcontrib>de Souza, Nivaldo E.</creatorcontrib><creatorcontrib>Santos, Ivair A.</creatorcontrib><creatorcontrib>Astrath, Nelson G. C.</creatorcontrib><creatorcontrib>Miranda, Isabella. T. P.</creatorcontrib><creatorcontrib>Pilatti, Luiz A.</creatorcontrib><creatorcontrib>Hechenleitner, Ana A. W.</creatorcontrib><creatorcontrib>Pineda, Edgardo A. G.</creatorcontrib><creatorcontrib>de Melo, Maurício A. C.</creatorcontrib><title>Preparation, structural and spectroscopic study of sol-gel-synthesized Cr3+:Al2O3 powder</title><title>SN applied sciences</title><addtitle>SN Appl. Sci</addtitle><description>Chromium-doped
α
-
Al
2
O
3
powder was synthesized by a modified sol–gel method using poly(vinyl alcohol) aqueous solutions and metal nitrate precursors. The synthesis process is simple, is of low cost and produced final crystals with cubic shape as confirmed by X-ray diffraction. The morphology of the samples verified by scanning electron microscopy showed slabs with thickness below 1
μ
m
, formed by interconnected long grains of typical thickness of around 200
nm
, showing growth of the grains as followed by thermogravimetric analysis. Luminescence characteristics of
Cr
3
+
were detected and analyzed as a function of the concentration of chromium using photoacoustic and photoluminescence spectroscopies.
Graphic abstract</description><subject>4. Materials (general)</subject><subject>Aluminum oxide</subject><subject>Applied and Technical Physics</subject><subject>Aqueous solutions</subject><subject>Chemical synthesis</subject><subject>Chemistry/Food Science</subject><subject>Chromium</subject><subject>Crystals</subject><subject>Earth Sciences</subject><subject>Engineering</subject><subject>Environment</subject><subject>Grains</subject><subject>Lasers</subject><subject>Light</subject><subject>Materials Science</subject><subject>Nitrates</subject><subject>Photoluminescence</subject><subject>Photons</subject><subject>Polyvinyl alcohol</subject><subject>Radiation</subject><subject>Reagents</subject><subject>Research Article</subject><subject>Scanning electron microscopy</subject><subject>Slabs</subject><subject>Sol-gel processes</subject><subject>Spectrum analysis</subject><subject>Thermogravimetric analysis</subject><subject>Thickness</subject><subject>X-ray diffraction</subject><issn>2523-3963</issn><issn>2523-3971</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNpFkE1LxDAURYMoOOj8AHcBlxpN8pK0cTcMfsHAuFBwF9I2HTuUJiYpMv56O4zo6l14h3vhIHTB6A2jtLhNggvJCWWaMAWM6CM045IDAV2w47-s4BTNU9pSSnmhQZQwQ-8v0QUbbe78cI1TjmOdx2h7bIcGp-DqHH2qfejq6Tk2O-xbnHxPNq4naTfkD5e6b9fgZYSru0XP14CD_2pcPEcnre2Tm__eM_T2cP-6fCKr9ePzcrEigUmVSVlxrksnObVKFJUVugKqFa-FtNACVNq2wkrqoNWNrugEcylKW9lGMyconKHLQ2-I_nN0KZutH-MwTRpelKXghVJ7ih-oFGI3bFz8pxg1e4nmINFMEs1eotHwA8yfZCE</recordid><startdate>20191201</startdate><enddate>20191201</enddate><creator>Capeloto, Otávio A.</creator><creator>de Souza, Nivaldo E.</creator><creator>Santos, Ivair A.</creator><creator>Astrath, Nelson G. C.</creator><creator>Miranda, Isabella. T. P.</creator><creator>Pilatti, Luiz A.</creator><creator>Hechenleitner, Ana A. W.</creator><creator>Pineda, Edgardo A. G.</creator><creator>de Melo, Maurício A. C.</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope/></search><sort><creationdate>20191201</creationdate><title>Preparation, structural and spectroscopic study of sol-gel-synthesized Cr3+:Al2O3 powder</title><author>Capeloto, Otávio A. ; de Souza, Nivaldo E. ; Santos, Ivair A. ; Astrath, Nelson G. C. ; Miranda, Isabella. T. P. ; Pilatti, Luiz A. ; Hechenleitner, Ana A. W. ; Pineda, Edgardo A. G. ; de Melo, Maurício A. C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p156t-8b2298e520a647ba49b30962c45a3f33b9af4a50e3f9d9b02982548abad91e403</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>4. Materials (general)</topic><topic>Aluminum oxide</topic><topic>Applied and Technical Physics</topic><topic>Aqueous solutions</topic><topic>Chemical synthesis</topic><topic>Chemistry/Food Science</topic><topic>Chromium</topic><topic>Crystals</topic><topic>Earth Sciences</topic><topic>Engineering</topic><topic>Environment</topic><topic>Grains</topic><topic>Lasers</topic><topic>Light</topic><topic>Materials Science</topic><topic>Nitrates</topic><topic>Photoluminescence</topic><topic>Photons</topic><topic>Polyvinyl alcohol</topic><topic>Radiation</topic><topic>Reagents</topic><topic>Research Article</topic><topic>Scanning electron microscopy</topic><topic>Slabs</topic><topic>Sol-gel processes</topic><topic>Spectrum analysis</topic><topic>Thermogravimetric analysis</topic><topic>Thickness</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Capeloto, Otávio A.</creatorcontrib><creatorcontrib>de Souza, Nivaldo E.</creatorcontrib><creatorcontrib>Santos, Ivair A.</creatorcontrib><creatorcontrib>Astrath, Nelson G. C.</creatorcontrib><creatorcontrib>Miranda, Isabella. T. P.</creatorcontrib><creatorcontrib>Pilatti, Luiz A.</creatorcontrib><creatorcontrib>Hechenleitner, Ana A. W.</creatorcontrib><creatorcontrib>Pineda, Edgardo A. G.</creatorcontrib><creatorcontrib>de Melo, Maurício A. C.</creatorcontrib><jtitle>SN applied sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Capeloto, Otávio A.</au><au>de Souza, Nivaldo E.</au><au>Santos, Ivair A.</au><au>Astrath, Nelson G. C.</au><au>Miranda, Isabella. T. P.</au><au>Pilatti, Luiz A.</au><au>Hechenleitner, Ana A. W.</au><au>Pineda, Edgardo A. G.</au><au>de Melo, Maurício A. C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation, structural and spectroscopic study of sol-gel-synthesized Cr3+:Al2O3 powder</atitle><jtitle>SN applied sciences</jtitle><stitle>SN Appl. Sci</stitle><date>2019-12-01</date><risdate>2019</risdate><volume>1</volume><issue>12</issue><spage>1597</spage><pages>1597-</pages><issn>2523-3963</issn><eissn>2523-3971</eissn><abstract>Chromium-doped
α
-
Al
2
O
3
powder was synthesized by a modified sol–gel method using poly(vinyl alcohol) aqueous solutions and metal nitrate precursors. The synthesis process is simple, is of low cost and produced final crystals with cubic shape as confirmed by X-ray diffraction. The morphology of the samples verified by scanning electron microscopy showed slabs with thickness below 1
μ
m
, formed by interconnected long grains of typical thickness of around 200
nm
, showing growth of the grains as followed by thermogravimetric analysis. Luminescence characteristics of
Cr
3
+
were detected and analyzed as a function of the concentration of chromium using photoacoustic and photoluminescence spectroscopies.
Graphic abstract</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s42452-019-1631-9</doi></addata></record> |
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| issn | 2523-3963 2523-3971 |
| language | eng |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | 4. Materials (general) Aluminum oxide Applied and Technical Physics Aqueous solutions Chemical synthesis Chemistry/Food Science Chromium Crystals Earth Sciences Engineering Environment Grains Lasers Light Materials Science Nitrates Photoluminescence Photons Polyvinyl alcohol Radiation Reagents Research Article Scanning electron microscopy Slabs Sol-gel processes Spectrum analysis Thermogravimetric analysis Thickness X-ray diffraction |
| title | Preparation, structural and spectroscopic study of sol-gel-synthesized Cr3+:Al2O3 powder |
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