Article(id=1220689389546558278, tenantId=1146029695717560320, journalId=1220038251117760515, issueId=1220689383687115496, articleNumber=null, orderNo=null, doi=10.11868/j.issn.1001-4381.2024.000215, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1711382400000, receivedDateStr=2024-03-26, revisedDate=null, revisedDateStr=null, acceptedDate=1714924800000, acceptedDateStr=2024-05-06, onlineDate=1768964629779, onlineDateStr=2026-01-21, pubDate=1763568000000, pubDateStr=2025-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1768964629779, onlineIssueDateStr=2026-01-21, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1768964629779, creator=13701087609, updateTime=1768964629779, updator=13701087609, issue=Issue{id=1220689383687115496, tenantId=1146029695717560320, journalId=1220038251117760515, year='2025', volume='53', issue='11', pageStart='1', pageEnd='238', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1768964628383, creator=13701087609, updateTime=1768964982596, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1220690869431222607, tenantId=1146029695717560320, journalId=1220038251117760515, issueId=1220689383687115496, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1220690869431222608, tenantId=1146029695717560320, journalId=1220038251117760515, issueId=1220689383687115496, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=231, endPage=238, ext={EN=ArticleExt(id=1220689389852742484, articleId=1220689389546558278, tenantId=1146029695717560320, journalId=1220038251117760515, language=EN, title=Preparation and annealing of PbS quantum junction infrared detectors for optoelectronic performance optimization, columnId=1220689384450478826, journalTitle=Journal of Materials Engineering, columnName=RESEARCH ARTICLE, runingTitle=null, highlight=null, articleAbstract=
Lead sulfide quantum dots (PbS QDs) have excellent optoelectronic properties and strong near-infrared light absorption,making them ideal materials for the preparation of near-infrared photodetectors. However,there are still challenges in the process and insufficient performance of the PbS QDs-based optoelectronic detection. In this study,PbS QDs are synthesized by the hot injection method,and the PbS quantum junction infrared detector is prepared by the layer-by-layer method and the solid-state ligand exchange method. The photoelectric performance of the PbS quantum junction infrared detector is improved by the thermal annealing process,and the effect of annealing temperature on the photoelectric performance of the PbS quantum junction is described. The results show that annealing effectively reduces the dark current of the PbS quantum junction infrared detector while increasing the photocurrent,and obtains a stable photoresponse current output. After annealing,the response time of the PbS quantum junction infrared detector is shortened,resulting in a time of 1.9 ms and a delay time of 3.2 ms. The sensitivity of the detector is improved,and the responsivity and detectivity are increased by 1.2 times and 1.3 times,respectively,resulting in a responsivity of 0.78 A·W-1 and a detectivity of . Annealing effectively improves the crystallinity and the carrier mobility of PbS QDs thin films,while reducing the defect states at the film and interface,resulting in a comprehensive improvement in the optoelectronic performance of PbS quantum junction infrared detectors.
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硫化铅量子点(PbS QDs)具备优异的光电学性能和较强的近红外光吸收能力,是制备近红外光电探测器的理想材料。然而,基于PbS QDs的光电探测仍存在工艺难度和性能不足的问题。本工作使用热注入法合成PbS QDs,通过逐层法和固相配体交换法制备PbS量子结红外探测器,采用热退火工艺提升PbS量子结红外探测器光电性能,并分析退火温度对PbS量子结光电性能的影响。结果表明:退火处理有效降低PbS量子结红外探测器的暗电流,同时增加光电流,且获得平稳的光响应电流输出;退火后的PbS量子结红外探测器的响应时间缩短,获得1.9 ms的上升时间和3.2 ms的延迟时间;探测器的灵敏度得到提升,响应度和探测率分别提高1.2倍、1.3倍,获得0.78 A·W-1的响应度和的探测率。退火有效提高了PbS QDs薄膜的结晶度和载流子迁移率,同时降低薄膜和界面的缺陷态,使得PbS量子结红外探测器的光电性能得到全面提升。
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张长水(1981—),男,高级工程师,硕士,主要从事力学计量测试与研究、光电计量测试与研究,联系地址:广西壮族自治区南宁市邕宁区蒲庙镇永乐路30号广西壮族自治区计量检测研究院(530200),E-mail:
13877157146@163.com, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=ptyvdNz+trqEtPbb9iIHWw==, magXml=Uu4VZ2c38h6Xb49Ioq7XYQ==, pdfUrl=null, pdf=RzN+du42Oh2xH5vZ5+z92g==, pdfFileSize=3282907, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=F+6jyrqDhkQt4qBK0bIe1g==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=+aa7Gs/0McJAx3Qup6RJoQ==, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=黄戊华, 陈灿, 廖才学, 李西, 张长水, 田军龙)}, authors=[Author(id=1220810414456226259, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1220810414582055386, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, authorId=1220810414456226259, language=EN, stringName=Wuhua HUANG, firstName=Wuhua, middleName=null, lastName=HUANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.Guangxi Zhuang Autonomous Region Institute of Metrology & Test,Nanning 530200,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1220810414649164259, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, authorId=1220810414456226259, language=CN, stringName=黄戊华, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.广西壮族自治区计量检测研究院,南宁 530200, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1220810414112293304, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, xref=1., ext=[AuthorCompanyExt(id=1220810414120681913, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, companyId=1220810414112293304, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.Department of Electronic Science,College of Big Data and Information Engineering,Guizhou University,Guiyang 550025,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1220810414993097216, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, authorId=1220810414795964911, language=CN, stringName=陈灿, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.贵州大学 大数据与 信息工程学院 电子科学系,贵阳 550025, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1220810414204568000, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, xref=2., ext=[AuthorCompanyExt(id=1220810414212956609, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, companyId=1220810414204568000, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Department of Electronic Science,College of Big Data and Information Engineering,Guizhou University,Guiyang 550025,China), AuthorCompanyExt(id=1220810414217150914, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, companyId=1220810414204568000, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.贵州大学 大数据与 信息工程学院 电子科学系,贵阳 550025)])]), Author(id=1220810415106343436, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1220810415320252956, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, authorId=1220810415106343436, language=EN, stringName=Caixue LIAO, firstName=Caixue, middleName=null, lastName=LIAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Guangxi Zhuang Autonomous Region Institute of Metrology & Test,Nanning 530200,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1220810415454470696, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, authorId=1220810415106343436, language=CN, stringName=廖才学, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.广西壮族自治区计量检测研究院,南宁 530200, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1220810414112293304, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, xref=1., ext=[AuthorCompanyExt(id=1220810414120681913, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, companyId=1220810414112293304, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.Guangxi Zhuang Autonomous Region Institute of Metrology & Test,Nanning 530200,China), AuthorCompanyExt(id=1220810414124876219, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, companyId=1220810414112293304, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.广西壮族自治区计量检测研究院,南宁 530200)])]), Author(id=1220810415546745394, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1220810415622242870, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, authorId=1220810415546745394, language=EN, stringName=Xi LI, firstName=Xi, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.Guangxi Zhuang Autonomous Region Institute of Metrology & Test,Nanning 530200,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1220810415769043521, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, authorId=1220810415546745394, language=CN, stringName=李西, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.广西壮族自治区计量检测研究院,南宁 530200, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1220810414112293304, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, xref=1., ext=[AuthorCompanyExt(id=1220810414120681913, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, companyId=1220810414112293304, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.Guangxi Zhuang Autonomous Region Institute of Metrology & Test,Nanning 530200,China), AuthorCompanyExt(id=1220810414124876219, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, companyId=1220810414112293304, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.广西壮族自治区计量检测研究院,南宁 530200)])]), Author(id=1220810415907455563, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=13877157146@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1220810416020701785, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, authorId=1220810415907455563, language=EN, stringName=Changshui ZHANG, firstName=Changshui, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.Guangxi Zhuang Autonomous Region Institute of Metrology & Test,Nanning 530200,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1220810416230416992, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, authorId=1220810415907455563, language=CN, stringName=张长水, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.广西壮族自治区计量检测研究院,南宁 530200, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1220810414112293304, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, xref=1., ext=[AuthorCompanyExt(id=1220810414120681913, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, companyId=1220810414112293304, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.Guangxi Zhuang Autonomous Region Institute of Metrology & Test,Nanning 530200,China), AuthorCompanyExt(id=1220810414124876219, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, companyId=1220810414112293304, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.广西壮族自治区计量检测研究院,南宁 530200)])]), Author(id=1220810416331080294, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, orderNo=5, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1220810416435937903, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, authorId=1220810416331080294, language=EN, stringName=Junlong TIAN, firstName=Junlong, middleName=null, lastName=TIAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.Department of Electronic Science,College of Big Data and Information Engineering,Guizhou University,Guiyang 550025,China
3.School of Physics and Optoelectronics,Xiangtan University,Xiangtan 411105,Hunan,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1220810416557572726, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, authorId=1220810416331080294, language=CN, stringName=田军龙, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.贵州大学 大数据与 信息工程学院 电子科学系,贵阳 550025
3.湘潭大学 物理与 光电工程学院,湖南 湘潭 411105, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1220810414204568000, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, xref=2., ext=[AuthorCompanyExt(id=1220810414212956609, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, companyId=1220810414204568000, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Characterization of PbS QDs(a)TEM image;(b)HRTEM image;(c)XRD spectrum;(d)absorption spectrum
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PbS QDs的表征(a)TEM图;(b)HRTEM图;(c)XRD谱;(d)吸收光谱
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Structural characterization of PbS quantum junction devices(a)low-magnification optical microscope image of D2 devices;(b)high-magnification optical microscope image of D2 device;(c)SEM cross-section of D1 device;(d)SEM cross-section of D2 device
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Structure and I-V and I-T optoelectronic properties of PbS quantum junction infrared detectors(a)schematic diagram of device structure;(b)dark current of device;(c)photocurrent of device;I-T curves:(d)D1 at 1 V;(e)D1 at 3 V;(f)D1 at 5 V;(g)D2 at 1 V;(h)D2 at 3 V;(i)D2 at 5 V
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PbS量子结红外探测器的结构以及I-V和I-T光电性能(a)器件结构示意图;(b)器件的暗电流;(c)器件的光电流;I-V曲线:(d)D1在1 V下;(e)D1在3 V下;(f)D1在5 V下;(g)D2在1 V下;(h)D2在3 V下;(i)D2在5 V下
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PL spectrum of PbS quantum junction thin film, figureFileSmall=0zfq4dE2BcWKVfKFc0Eu4Q==, figureFileBig=WFqtKKiGtZoSLQKuqbr4Wg==, tableContent=null), ArticleFig(id=1220810420277920513, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, language=CN, label=图5, caption=
PbS量子结薄膜的PL光谱, figureFileSmall=0zfq4dE2BcWKVfKFc0Eu4Q==, figureFileBig=WFqtKKiGtZoSLQKuqbr4Wg==, tableContent=null), ArticleFig(id=1220810420382778118, tenantId=1146029695717560320, journalId=1220038251117760515, articleId=1220689389546558278, language=EN, label=Fig.6, caption=
Response speed,responsivity,and detection rate of PbS quantum junction infrared detectors(a)response speed of D1 device;(b)response speed of D2 device;(c)responsitivity of D1 and D2 devices;(d)detectivity of D1 and D2 devices
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PbS量子结红外探测器的响应速度、响应度及探测率(a)D1器件的响应速度;(b)D2器件的响应速度;(c)D1和D2器件的响应度;(d)D1和D2器件的探测率
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