Article(id=1322609017650794549, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322608967147172356, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20190390, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1559664000000, receivedDateStr=2019-06-05, revisedDate=1563465600000, revisedDateStr=2019-07-19, acceptedDate=null, acceptedDateStr=null, onlineDate=1793264162695, onlineDateStr=2026-10-29, pubDate=1582128000000, pubDateStr=2020-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793264162695, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793264162695, creator=13701087609, updateTime=1793264162695, updator=13701087609, issue=Issue{id=1322608967147172356, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='2', pageStart='147', pageEnd='324', issueExtLink='null', onlineDate='null', pubDate='1582128000000', pubDateStr='2020-02-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793264150653, creator='13701087609', updateTime=1793276939599, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322662607933255748, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322608967147172356, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322662607933255749, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322608967147172356, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=161, endPage=168, ext={EN=ArticleExt(id=1322609017839538230, articleId=1322609017650794549, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Microwave Absorption Properties of Zn1-xCoxO Nanofibers Prepared by Electrospinning, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Polyvinyl/pyrrolidone (PVP)/Zn1-xCoxO(0-0.08) composite nanofibers were fabricated by a sol-gel process and an electrospinning technique. After calcination at 600 ℃, Zn1-xCoxO(0-0.08) nanofibers were obtained. The phase composition, morphology, structure and electromagnetic properties of the samples were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy and vector network analysis. The results show that Zn1-xCoxO nanofibers obtained by calcination at 600 ℃ for 2 h are a hexagonal wurtzite structure with the fiber diameter of approximately 100 nm. Compared to pure ZnO nanofibers, the microwave absorption properties of Zn1-xCoxO nanofibers are enhanced, and the main absorbing mechanism is dielectric loss. The absorption effect of the sample is optimized when the matching layer thickness is 2 mm and x=0.04. At the frequency of 8.2 GHz, the minimum reflectivity is -30.6 dB, the absorption band below -10 dB is 6.7-9.7 GHz, and the bandwidth reaches 3 GHz. The absorbing properties of the fibers increase, compared to those of Zn0.96Co0.04O powder sample.

, authors=Xinkun WANG, Fang ZHAO, Jianjiang WANG, authorsList=Xinkun WANG, Fang ZHAO, Jianjiang WANG, authorCompany=null, correspAuthors=Fang ZHAO, authorNote=

WANG Xinkun (1993-), male, Master candidate. E-mail:

, correspAuthorsNote=
ZHAO Fang (1982-), famale, Associate Professor. E-mail:
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采用溶胶-凝胶技术和静电纺丝法制备了聚乙烯吡咯烷酮(PVP)/Zn1-xCoxO(0~0.08)复合纳米纤维,经过600 ℃煅烧处理,获得了Zn1-xCoxO(0~0.08)纳米纤维,通过X射线衍射、Fourier红外光谱、扫描电子显微镜、能谱仪和矢量网络分析仪等技术对样品的物相、形貌、结构和电磁参数进行表征。结果表明:600 ℃煅烧2 h得到的Zn1-xCoxO纳米纤维为六方纤锌矿型结构,纤维直径在100 nm左右。相对于纯ZnO纳米纤维,Zn1-xCoxO纳米纤维的微波吸收性能得到显著提高,其主要吸波机制为介电损耗。当匹配层厚度为2 mm,x=0.04时,样品吸收效果最佳,在频率为8.2 GHz时,最低反射率达-30.6 dB,低于-10 dB的吸收频带为6.7~9.7 GHz,带宽达到3 GHz,与传统溶胶-凝胶法在相同条件下制得的Zn0.96Co0.04O粉体样品相比,吸波性能显著提高。

, authors=汪心坤, 赵芳, 王建江, authorsList=汪心坤, 赵芳, 王建江, authorCompany=null, correspAuthors=赵芳, authorNote=

汪心坤(1993—),男,硕士研究生。

, correspAuthorsNote=
赵芳(1982—),女,副教授。
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Zn1-xCoxO纳米纤维的电纺制备及其吸波性能
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汪心坤 , 赵芳 , 王建江
硅酸盐学报 | 2020,48(2): 161-168
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硅酸盐学报 | 2020 , 48 (2) : 161 -168
Zn1-xCoxO纳米纤维的电纺制备及其吸波性能
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汪心坤 , 赵芳 , 王建江
作者信息
  • 陆军工程大学石家庄校区,石家庄 050003
通讯作者:
赵芳(1982—),女,副教授。
作者简介:

汪心坤(1993—),男,硕士研究生。

Microwave Absorption Properties of Zn1-xCoxO Nanofibers Prepared by Electrospinning
Xinkun WANG , Fang ZHAO , Jianjiang WANG
Affiliations
  • Shijiazhuang Campus of Army Engineering University, Shijiazhuang 050003, China
  • Corresponding Author:
    ZHAO Fang (1982-), famale, Associate Professor. E-mail:

    WANG Xinkun (1993-), male, Master candidate. E-mail:

出版时间: 2020-02-20 doi: 10.14062/j.issn.0454-5648.20190390
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采用溶胶-凝胶技术和静电纺丝法制备了聚乙烯吡咯烷酮(PVP)/Zn1-xCoxO(0~0.08)复合纳米纤维,经过600 ℃煅烧处理,获得了Zn1-xCoxO(0~0.08)纳米纤维,通过X射线衍射、Fourier红外光谱、扫描电子显微镜、能谱仪和矢量网络分析仪等技术对样品的物相、形貌、结构和电磁参数进行表征。结果表明:600 ℃煅烧2 h得到的Zn1-xCoxO纳米纤维为六方纤锌矿型结构,纤维直径在100 nm左右。相对于纯ZnO纳米纤维,Zn1-xCoxO纳米纤维的微波吸收性能得到显著提高,其主要吸波机制为介电损耗。当匹配层厚度为2 mm,x=0.04时,样品吸收效果最佳,在频率为8.2 GHz时,最低反射率达-30.6 dB,低于-10 dB的吸收频带为6.7~9.7 GHz,带宽达到3 GHz,与传统溶胶-凝胶法在相同条件下制得的Zn0.96Co0.04O粉体样品相比,吸波性能显著提高。

聚乙烯吡咯烷酮  /  氧化锌  /  钴掺杂  /  纳米纤维  /  静电纺丝  /  电磁参数  /  微波吸收

Polyvinyl/pyrrolidone (PVP)/Zn1-xCoxO(0-0.08) composite nanofibers were fabricated by a sol-gel process and an electrospinning technique. After calcination at 600 ℃, Zn1-xCoxO(0-0.08) nanofibers were obtained. The phase composition, morphology, structure and electromagnetic properties of the samples were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy and vector network analysis. The results show that Zn1-xCoxO nanofibers obtained by calcination at 600 ℃ for 2 h are a hexagonal wurtzite structure with the fiber diameter of approximately 100 nm. Compared to pure ZnO nanofibers, the microwave absorption properties of Zn1-xCoxO nanofibers are enhanced, and the main absorbing mechanism is dielectric loss. The absorption effect of the sample is optimized when the matching layer thickness is 2 mm and x=0.04. At the frequency of 8.2 GHz, the minimum reflectivity is -30.6 dB, the absorption band below -10 dB is 6.7-9.7 GHz, and the bandwidth reaches 3 GHz. The absorbing properties of the fibers increase, compared to those of Zn0.96Co0.04O powder sample.

polyvinyl/pyrrolidone  /  zinc oxide  /  cobalt doping  /  nanofibers  /  electrospinning  /  electromagnetic parameters  /  microwave absorption
汪心坤, 赵芳, 王建江. Zn1-xCoxO纳米纤维的电纺制备及其吸波性能. 硅酸盐学报, 2020 , 48 (2) : 161 -168 . DOI: 10.14062/j.issn.0454-5648.20190390
Xinkun WANG, Fang ZHAO, Jianjiang WANG. Microwave Absorption Properties of Zn1-xCoxO Nanofibers Prepared by Electrospinning[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (2) : 161 -168 . DOI: 10.14062/j.issn.0454-5648.20190390
  • 陆军工程大学石家庄校区科研创新发展基金(KYSEJQEL1910)
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doi: 10.14062/j.issn.0454-5648.20190390
  • 接收时间:2019-06-05
  • 首发时间:2026-10-29
  • 出版时间:2020-02-20
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  • 收稿日期:2019-06-05
  • 修回日期:2019-07-19
基金
陆军工程大学石家庄校区科研创新发展基金(KYSEJQEL1910)
作者信息
    陆军工程大学石家庄校区,石家庄 050003

通讯作者:

赵芳(1982—),女,副教授。
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2种不同金属材料的力学参数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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