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Fluctuations in transient response of adsorption-based plasmonic sensors

Samo za registrovane korisnike
2014
Autori
Jakšić, Olga
Jakšić, Zoran
Čupić, Željko
Randjelović, Danijela
Kolar-Anić, Ljiljana
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentu
Apstrakt
The basic parameters of a sensor element defining its ultimate performance are sensitivity and intrinsic noise. In plasmonic gas sensors both are determined by refractive index changes due to adsorption and desorption (a-d) of target analyte particles to the sensor active area. In this paper we present a general model that can be simultaneously used to determine sensitivity and intrinsic noise of a plasmonic sensor both during transients and in steady-state and is valid for multi-analyte environments. The model utilizes the conventional probabilistic approach. It is derived without any assumptions about the stochastic nature of the fundamental (a-d) process. It reveals how all stochastic properties of the processes with (pseudo) first order kinetics with the initial number of particles equal to zero can be fully determined from the deterministic solution, without any previous stochastic analysis. Based on the proposed model it is possible to establish the optimum moment for readout whe...n fluctuations are minimal. Transients last longer and fluctuations are lower at lower temperatures. The insight into the transient dynamics opens the possibility to use a single element sensor for multiple analyte sensing. Another result is that a-d noise is higher for smaller adsorption areas, which may be important for micro and nanosystems generally, since each of them has to be kept immersed in some kind of environment and thus be subject to contamination by adsorption that can significantly influence their behavior. Besides being applicable for plasmonic sensors of trace amounts of gases and other nanoplasmonic devices used in sensing, the model is applicable for other adsorption-based sensors, as well as for the investigations of stochastic phenomena in micro and nanostructures.

Ključne reči:
Adsorption / Desorption / Plasmonic sensor / Gas sensor / Noise / Stochastic analysis
Izvor:
Sensors and Actuators, B: Chemical, 2014, 190, 419-428
Izdavač:
  • Elsevier
Finansiranje / projekti:
  • Mikro, nano-sistemi i senzori za primenu u elektroprivredi, procesnoj industriji i zaštiti životne sredine (RS-32008)
  • Nanostrukturni funkcionalni i kompozitni materijali u katalitičkim i sorpcionim procesima (RS-45001)
  • Dinamika nelinearnih fizičkohemijskih i biohemijskih sistema sa modeliranjem i predviđanjem njihovih ponašanja pod neravnotežnim uslovima (RS-172015)

DOI: 10.1016/j.snb.2013.08.084

ISSN: 0925-4005

WoS: 000326687700056

Scopus: 2-s2.0-84884835774
[ Google Scholar ]
14
16
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/1497
Kolekcije
  • Radovi istraživača / Researchers' publications
Institucija/grupa
IHTM
TY  - JOUR
AU  - Jakšić, Olga
AU  - Jakšić, Zoran
AU  - Čupić, Željko
AU  - Randjelović, Danijela
AU  - Kolar-Anić, Ljiljana
PY  - 2014
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/1497
AB  - The basic parameters of a sensor element defining its ultimate performance are sensitivity and intrinsic noise. In plasmonic gas sensors both are determined by refractive index changes due to adsorption and desorption (a-d) of target analyte particles to the sensor active area. In this paper we present a general model that can be simultaneously used to determine sensitivity and intrinsic noise of a plasmonic sensor both during transients and in steady-state and is valid for multi-analyte environments. The model utilizes the conventional probabilistic approach. It is derived without any assumptions about the stochastic nature of the fundamental (a-d) process. It reveals how all stochastic properties of the processes with (pseudo) first order kinetics with the initial number of particles equal to zero can be fully determined from the deterministic solution, without any previous stochastic analysis. Based on the proposed model it is possible to establish the optimum moment for readout when fluctuations are minimal. Transients last longer and fluctuations are lower at lower temperatures. The insight into the transient dynamics opens the possibility to use a single element sensor for multiple analyte sensing. Another result is that a-d noise is higher for smaller adsorption areas, which may be important for micro and nanosystems generally, since each of them has to be kept immersed in some kind of environment and thus be subject to contamination by adsorption that can significantly influence their behavior. Besides being applicable for plasmonic sensors of trace amounts of gases and other nanoplasmonic devices used in sensing, the model is applicable for other adsorption-based sensors, as well as for the investigations of stochastic phenomena in micro and nanostructures.
PB  - Elsevier
T2  - Sensors and Actuators, B: Chemical
T1  - Fluctuations in transient response of adsorption-based plasmonic sensors
VL  - 190
SP  - 419
EP  - 428
DO  - 10.1016/j.snb.2013.08.084
UR  - Conv_3060
ER  - 
@article{
author = "Jakšić, Olga and Jakšić, Zoran and Čupić, Željko and Randjelović, Danijela and Kolar-Anić, Ljiljana",
year = "2014",
abstract = "The basic parameters of a sensor element defining its ultimate performance are sensitivity and intrinsic noise. In plasmonic gas sensors both are determined by refractive index changes due to adsorption and desorption (a-d) of target analyte particles to the sensor active area. In this paper we present a general model that can be simultaneously used to determine sensitivity and intrinsic noise of a plasmonic sensor both during transients and in steady-state and is valid for multi-analyte environments. The model utilizes the conventional probabilistic approach. It is derived without any assumptions about the stochastic nature of the fundamental (a-d) process. It reveals how all stochastic properties of the processes with (pseudo) first order kinetics with the initial number of particles equal to zero can be fully determined from the deterministic solution, without any previous stochastic analysis. Based on the proposed model it is possible to establish the optimum moment for readout when fluctuations are minimal. Transients last longer and fluctuations are lower at lower temperatures. The insight into the transient dynamics opens the possibility to use a single element sensor for multiple analyte sensing. Another result is that a-d noise is higher for smaller adsorption areas, which may be important for micro and nanosystems generally, since each of them has to be kept immersed in some kind of environment and thus be subject to contamination by adsorption that can significantly influence their behavior. Besides being applicable for plasmonic sensors of trace amounts of gases and other nanoplasmonic devices used in sensing, the model is applicable for other adsorption-based sensors, as well as for the investigations of stochastic phenomena in micro and nanostructures.",
publisher = "Elsevier",
journal = "Sensors and Actuators, B: Chemical",
title = "Fluctuations in transient response of adsorption-based plasmonic sensors",
volume = "190",
pages = "419-428",
doi = "10.1016/j.snb.2013.08.084",
url = "Conv_3060"
}
Jakšić, O., Jakšić, Z., Čupić, Ž., Randjelović, D.,& Kolar-Anić, L.. (2014). Fluctuations in transient response of adsorption-based plasmonic sensors. in Sensors and Actuators, B: Chemical
Elsevier., 190, 419-428.
https://doi.org/10.1016/j.snb.2013.08.084
Conv_3060
Jakšić O, Jakšić Z, Čupić Ž, Randjelović D, Kolar-Anić L. Fluctuations in transient response of adsorption-based plasmonic sensors. in Sensors and Actuators, B: Chemical. 2014;190:419-428.
doi:10.1016/j.snb.2013.08.084
Conv_3060 .
Jakšić, Olga, Jakšić, Zoran, Čupić, Željko, Randjelović, Danijela, Kolar-Anić, Ljiljana, "Fluctuations in transient response of adsorption-based plasmonic sensors" in Sensors and Actuators, B: Chemical, 190 (2014):419-428,
https://doi.org/10.1016/j.snb.2013.08.084 .,
Conv_3060 .

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