Sensitivity enhancement of a graphene&#x2013;barium titanate-based surface plasmon resonance biosensor with an Ag&#x2013;Au bimetallic structure in the visible region

Lili Liu; Mei Wang; Lipeng Jiao; Ting Wu; Feng Xia; Meijie Liu; Weijin Kong; Lifeng Dong; Maojin Yun

doi:10.1364/JOSAB.36.001108

Journal of the Optical Society of America B
Vol. 36,
Issue 4,
pp. 1108-1116
(2019)
•https://doi.org/10.1364/JOSAB.36.001108

Sensitivity enhancement of a graphene–barium titanate-based surface plasmon resonance biosensor with an Ag–Au bimetallic structure in the visible region

Lili Liu, Mei Wang, Lipeng Jiao, Ting Wu, Feng Xia, Meijie Liu, Weijin Kong, Lifeng Dong, and Maojin Yun

Not Accessible

Your library or personal account may give you access

Get PDF
Email
Share
Get Citation
Copy Citation Text
Lili Liu, Mei Wang, Lipeng Jiao, Ting Wu, Feng Xia, Meijie Liu, Weijin Kong, Lifeng Dong, and Maojin Yun, "Sensitivity enhancement of a graphene–barium titanate-based surface plasmon resonance biosensor with an Ag–Au bimetallic structure in the visible region," J. Opt. Soc. Am. B 36, 1108-1116 (2019)

Export Citation
- BibTex
- Endnote (RIS)
- HTML
- Plain Text
Citation alert
Save article

Check for updates

Abstract

In this study, a surface plasmon resonance (SPR) biosensor based on graphene–barium titanate nanocomposites is optimized by using an Ag–Au bimetallic configuration to achieve sensitivity enhancement. The angular interrogation method is used for the analysis of the reflectance from the sensor. By optimizing parameters, a sensitivity and figure of merit as high as 294°/RIU and 42.13 1/RIU can be obtained with Ag–Au bimetallic film at a wavelength of 633 nm. Compared with conventional SPR biosensors with a single metal film, the sensitivity of the proposed biosensor with Ag–Au bimetallic film can be greatly enhanced. Also, Au thin film can be used as a protective layer to prevent oxidation of the Ag layer.

Full Article | PDF Article

More Like This

Sensitivity enhancement of an SPR biosensor with a graphene and blue phosphorene/transition metal dichalcogenides hybrid nanostructure

Chong Yue, Yaopu Lang, Xinglin Zhou, and Qinggang Liu
Appl. Opt. 58(34) 9411-9420 (2019)

Sensitivity enhancement of a plasmonic biosensor for urine glucose detection by employing black phosphorous

Archana Yadav, Anil Kumar, and Preeta Sharan
J. Opt. Soc. Am. B 39(1) 200-206 (2022)

Numerical and analytical analysis of an ultrahigh sensitive surface plasmon resonance sensor based on a black phosphorene/graphene heterostructure

Abolfazl Nourizad, Saeed Golmohammadi, Mohammad Reza Tohidkia, and Ayuob Aghanejad
Appl. Opt. 62(25) 6542-6552 (2023)

Previous Article Next Article

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (8)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Tables (2)

You do not have subscription access to this journal. Article tables are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (13)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

$d$ (Au) nm	$d$ (Ag) nm	$d$ (barium) nm	$L$ (graphene)	$R_{\min}$	$Δ θ_{SPR}$	$S$ (Deg/RIU)	FWHM (Deg)	FOM (1/RIU)
0	30	10	6	0.0021	2.04	204	11.599	17.59
0	40	10	2	0.00005	2.47	247	7.936	31.12
0	45	10	1	0.00006	2.57	257	5.517	46.58
1	30	10	5	0.0031	2.14	214	11.147	19.19
1	40	10	2	0.0002	2.65	265	7.687	34.47
3	30	10	4	0.0093	2.31	231	10.484	22.03
3	40	10	1	0.0001	2.94	294	6.978	42.13
5	30	10	3	0.0027	2.47	247	10.349	23.86

Ref.	Configuration	Wavelength (nm)	Sensitivity (Deg/RIU)	FWHM (Deg)	FOM (1/RIU)
This work	BK7/Ag(40 nm)/Au(3 nm)/ ${BaTiO}_{3}$ (10 nm)/graphene (1L)	633	294	6.978	42.13
[35]	SF-10/ZnO(40 nm)/Au(42 nm)/ ${MoS}_{2}$ (0.65 nm)/graphene (1L)	632.8	101.58	6.723	15.11
[36]	BK7/ZnO(32 nm)/Ag(32 nm)/Au(1 nm)/graphene (1 L)	632.8	76	5.510	13.79
[39]	BK7/Ag(50 nm)/BP(5 nm)/graphene(5L)	633	217	5.269	41.18
[40]	BK7/Au(40 nm)/ ${MoS}_{2}$ (2.6 nm)/Au(8 nm)/graphene (1L)	633	182	9.475	19.21
[41]	BK7/Au(30 nm)/Silicon(8 nm)/ ${MoS}_{2}$ (0.65 nm)/Au (10 nm)/graphene(1L)	633	210	12.036	17.45
[42]	${MgF}_{2}$ /Rh(10 nm)/Ag(45 nm)/Silicon(14 nm)/graphene (1L)	632	220	10.204	21.56
[43]	Si/Au(50 nm)/buffer layer (20 nm) 2S2G/Au (50 nm)/buffer layer (20 nm)	1600	Water 42/56 Gas 29/17.5	0.088 0.165	–
[44]	BK7/Ag(48 nm)/graphene(1L)	633	91.76	1.754	52.31
[45]	2S2G/AL(29 nm)/Au(6 nm)	632.8	–	0.45	–
[46]	Si/AL(45 nm)/graphene(l L)	633/850/1000	264 RIU	0.072	–
[47]	2S2G/Teflon (1300 nm)/Au(30 nm)/graphene(1L)	850	146 RIU	0.039	–

$d$ (Au) nm	$d$ (Ag) nm	$d$ (barium) nm	$L$ (graphene)	$R_{\min}$	$Δ θ_{SPR}$	$S$ (Deg/RIU)	FWHM (Deg)	FOM (1/RIU)
0	30	10	6	0.0021	2.04	204	11.599	17.59
0	40	10	2	0.00005	2.47	247	7.936	31.12
0	45	10	1	0.00006	2.57	257	5.517	46.58
1	30	10	5	0.0031	2.14	214	11.147	19.19
1	40	10	2	0.0002	2.65	265	7.687	34.47
3	30	10	4	0.0093	2.31	231	10.484	22.03
3	40	10	1	0.0001	2.94	294	6.978	42.13
5	30	10	3	0.0027	2.47	247	10.349	23.86

Ref.	Configuration	Wavelength (nm)	Sensitivity (Deg/RIU)	FWHM (Deg)	FOM (1/RIU)
This work	BK7/Ag(40 nm)/Au(3 nm)/ ${BaTiO}_{3}$ (10 nm)/graphene (1L)	633	294	6.978	42.13
[35]	SF-10/ZnO(40 nm)/Au(42 nm)/ ${MoS}_{2}$ (0.65 nm)/graphene (1L)	632.8	101.58	6.723	15.11
[36]	BK7/ZnO(32 nm)/Ag(32 nm)/Au(1 nm)/graphene (1 L)	632.8	76	5.510	13.79
[39]	BK7/Ag(50 nm)/BP(5 nm)/graphene(5L)	633	217	5.269	41.18
[40]	BK7/Au(40 nm)/ ${MoS}_{2}$ (2.6 nm)/Au(8 nm)/graphene (1L)	633	182	9.475	19.21
[41]	BK7/Au(30 nm)/Silicon(8 nm)/ ${MoS}_{2}$ (0.65 nm)/Au (10 nm)/graphene(1L)	633	210	12.036	17.45
[42]	${MgF}_{2}$ /Rh(10 nm)/Ag(45 nm)/Silicon(14 nm)/graphene (1L)	632	220	10.204	21.56
[43]	Si/Au(50 nm)/buffer layer (20 nm) 2S2G/Au (50 nm)/buffer layer (20 nm)	1600	Water 42/56 Gas 29/17.5	0.088 0.165	–
[44]	BK7/Ag(48 nm)/graphene(1L)	633	91.76	1.754	52.31
[45]	2S2G/AL(29 nm)/Au(6 nm)	632.8	–	0.45	–
[46]	Si/AL(45 nm)/graphene(l L)	633/850/1000	264 RIU	0.072	–
[47]	2S2G/Teflon (1300 nm)/Au(30 nm)/graphene(1L)	850	146 RIU	0.039	–

Abstract

Cited By

Figures (8)

Tables (2)

Equations (13)

Journal of the Optical Society of America B