Theoretical Model for a Highly Sensitive Near Infrared Biosensor Based on Bloch Surface Wave with Dirac Semimetal.

Qiwen Zheng, Yamei Liu, Wenguang Lu, Xiaoyu Dai, Haishan Tian, Leyong Jiang

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Article in Biosensors, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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2citing papers in PubMed

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2 citing papers in PubMed.

High-Sensitivity Terahertz Biosensor Based on a Multi-Layer Hybrid Structure Consisting of a Defect Mode and Graphene.Biosensors · 2025
Article
Subdividing Stress Groups into Eustress and Distress Groups Using Laterality Index Calculated from Brain Hemodynamic Response.Biosensors · 2022
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6 authors.

Qiwen ZhengSchool of Physics and Electronics, Hunan Normal University, Changsha 410081, China.ORCID 0000-0002-0561-1236

Yamei LiuSchool of Physics and Electronics, Hunan Normal University, Changsha 410081, China.

Wenguang LuSchool of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China.

Xiaoyu DaiCollege of Electrical and Information Engineering, Hunan University, Changsha 410082, China.

Haishan TianSchool of Physics and Electronics, Hunan Normal University, Changsha 410081, China.

Leyong JiangSchool of Physics and Electronics, Hunan Normal University, Changsha 410081, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In this work, we present a theoretical model of a near-infrared sensitive refractive index biosensor based on the truncate 1D photonic crystal (1D PC) structure with Dirac semimetal. This highly sensitive near-infrared biosensor originates from the sharp reflectance peak caused by the excitation of Bloch surface wave (BSW) at the interface between the Dirac semimetal and 1D PC. The sensitivity of the biosensor model is sensitive to the Fermi energy of Dirac semimetal, the thickness of the truncate layer and the refractive index of the sensing medium. By optimizing the structural parameters, the maximum refractive index sensitivity of the biosensor model can surpass 17.4 × 10

Indexed as

Biosensing TechniquesGraphiteModels, TheoreticalRefractometrySurface Plasmon ResonanceGraphitebiosensorbloch surface wavedirac semimetalphotonic crystal

Identifiers

PMID34677346

DOI10.3390/bios11100390

PMCPMC8533883

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.