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Article: Strain-Enhanced Responsivity of Scalable and Flexible Diamond UV Detector

TitleStrain-Enhanced Responsivity of Scalable and Flexible Diamond UV Detector
Authors
Jing, JixiangLuo, YumengWang, YichengWang, ZhongqiangWang, QiLi, Kwai HeiChu, Zhiqin
KeywordsDiamond film
flexible diamond
strain-enhancement
UV detector
Issue Date1-Jan-2025
PublisherInstitute of Electrical and Electronics Engineers
Citation
IEEE Electron Device Letters, 2025, v. 46, n. 4, p. 541-544 How to Cite?
DOI: http://dx.doi.org/10.1109/LED.2025.3535477
Abstract

In this letter, we present scalable and flexible diamond UV detectors. A 2-inch, 1-μm-thick diamond film is exfoliated from its heteroepitaxial silicon substrate and transferred to a soft PDMS substrate, forming the foundation for the flexible detector. Measurement under strains of 0%, 0.6%, and 1.2% reveals a decrease in the bandgap of diamond film from 5.31 eV to 5.18 eV and 5.06 eV, respectively. This strain-induced narrowing of the bandgap improves the responsivity of diamond detectors under UV illumination. The elastic strain engineering on diamonds, being simple and effective, provides a new route to improve the performance of diamond UV detectors, promising to accelerate the development of next-generation flexible diamond electronics.


Persistent Identifierhttp://hdl.handle.net/10722/360734
ISSN
0741-3106
2023 Impact Factor: 4.1
2023 SCImago Journal Rankings: 1.250

 

DC FieldValueLanguage
dc.contributor.authorJing, Jixiang-
dc.contributor.authorLuo, Yumeng-
dc.contributor.authorWang, Yicheng-
dc.contributor.authorWang, Zhongqiang-
dc.contributor.authorWang, Qi-
dc.contributor.authorLi, Kwai Hei-
dc.contributor.authorChu, Zhiqin-
dc.date.accessioned2025-09-13T00:36:05Z-
dc.date.available2025-09-13T00:36:05Z-
dc.date.issued2025-01-01-
dc.identifier.citationIEEE Electron Device Letters, 2025, v. 46, n. 4, p. 541-544-
dc.identifier.issn0741-3106-
dc.identifier.urihttp://hdl.handle.net/10722/360734-
dc.description.abstract<p>In this letter, we present scalable and flexible diamond UV detectors. A 2-inch, 1-μm-thick diamond film is exfoliated from its heteroepitaxial silicon substrate and transferred to a soft PDMS substrate, forming the foundation for the flexible detector. Measurement under strains of 0%, 0.6%, and 1.2% reveals a decrease in the bandgap of diamond film from 5.31 eV to 5.18 eV and 5.06 eV, respectively. This strain-induced narrowing of the bandgap improves the responsivity of diamond detectors under UV illumination. The elastic strain engineering on diamonds, being simple and effective, provides a new route to improve the performance of diamond UV detectors, promising to accelerate the development of next-generation flexible diamond electronics.</p>-
dc.languageeng-
dc.publisherInstitute of Electrical and Electronics Engineers-
dc.relation.ispartofIEEE Electron Device Letters-
dc.subjectDiamond film-
dc.subjectflexible diamond-
dc.subjectstrain-enhancement-
dc.subjectUV detector-
dc.titleStrain-Enhanced Responsivity of Scalable and Flexible Diamond UV Detector-
dc.typeArticle-
dc.identifier.doi10.1109/LED.2025.3535477-
dc.identifier.scopuseid_2-s2.0-85216897173-
dc.identifier.volume46-
dc.identifier.issue4-
dc.identifier.spage541-
dc.identifier.epage544-
dc.identifier.eissn1558-0563-
dc.identifier.issnl0741-3106-

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