Room temperature ammonia sensor using side-polished optical fiber coated with graphene/polyaniline nanocomposite

Khalaf, Ahmed Lateef; Mohamad, Fatimah Syahidah; Rahman, Norizah Abdul; Lim, Hong Ngee; Paiman, Suriati; Yusof, Nor Azah; Mahdi, Mohd Adzir; Yaacob, Mohd Hanif

doi:10.1364/ome.7.001858

Cited by 43 publications

(19 citation statements)

References 43 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The emergence of layered materials provides new opportunities for sensor development. Up to now, various optical sensors using layered materials such as graphene, graphene oxide, reduced graphene oxide, and WS 2 , have been obtained, as shown in Figure . On the device level, these optical sensors with prisms, optical fibers, waveguides, optical flow control, and optical interferometer have the advantages of high‐sensitivity, good stability, compact structure, light weight, and strong distributed sensing ability, and lab‐on‐fiber ability.…”

Section: Novel Optical Devices Using 2d Layered Materialsmentioning

confidence: 99%

See 1 more Smart Citation

2D Layered Materials: Synthesis, Nonlinear Optical Properties, and Device Applications

Guo

Xiao

Wang

et al. 2019

Laser & Photonics Reviews

404

197

View full text Add to dashboard Cite

In recent years, 2D layered materials, including graphene, topological insulators, transition metal dichalcogenides, black phosphorus, MXenes, graphitic carbon nitride, and metal‐organic frameworks, have attracted considerable interest due to their potential applications in the fields of physics, chemistry, biology, and energy. Their rise in the field of nonlinear photonics began around 2009 and has become an important research direction. Here, the synthesis techniques, nonlinear optical properties, integration strategies, and device applications of layered materials are reviewed. In terms of nonlinear optical properties, the focus is on saturable absorption and Kerr nonlinearity. On this basis, their applications in various pulsed lasers, including fiber lasers, solid‐state lasers, waveguide lasers, and related nonlinear optical phenomenon, are summarized. In addition, novel optical devices using layered materials, such as optical modulators, optical polarizers, optical switchers, and even all‐optical device, are also involved. It is believed that the development of 2D layered materials in the field of photonics will continue to deepen, thus laying a good foundation for its practical application.

show abstract

Section: Novel Optical Devices Using 2d Layered Materialsmentioning

confidence: 99%

Section: Novel Optical Devices Using 2d Layered Materialsmentioning

confidence: 99%

2D Layered Materials: Synthesis, Nonlinear Optical Properties, and Device Applications

Guo

Xiao

Wang

et al. 2019

Laser & Photonics Reviews

404

197

View full text Add to dashboard Cite

show abstract

“…The recovery time of the SMF sensors (453 s) used in this work is shorter than that of the MMF sensors [18] (9.73 minutes or 583.8 s). The response and recovery times for side-polished plastic multimode optical fiber sensor coated with graphene/PANI composite in the visible wavelengths are 292 s and 185 s, respectively, reported by Khalaf et al [32]. The sensor introduced by Airoudj et al [1] based on the single-mode planar polymer waveguide coated with PANI in the visible to nearinfrared wavelengths (632.8-980 nm) showed response and recovery times of 180 s and 480 s, respectively.…”

Section: Resultsmentioning

confidence: 88%

Sensing Performance of Modified Single Mode Optical Fiber Coated With Nanomaterials-Based Ammonia Sensors Operated in the C-Band

et al. 2019

View full text Add to dashboard Cite

An etched tapered single mode optical fiber (SMF) coated with polyaniline (PANI) nanofibers is developed to detect ammonia (NH 3) in low concentrations. The SMF is etched with hydrofluoric acid and subsequently tapered using a glass processing workstation. The etched tapered SMF is coated with PANI via spray-coating deposition. This SMF modification significantly enhances the interaction of the evanescent field of the light propagating in the core with the PANI-sensing layer. The modified fiber sensor response is investigated by exposing the sensor to different concentrations of NH 3 over the C-band wavelengths of 1535-1565 nm. Integrating the modified optical fiber with the nanostructured PANI films produces highly sensitive optical sensor that operates at room temperature. The 50 µm etched tapered SMF coated with PANI produced response, recovery times, and sensitivity of 58 and 475 s, and 231.5%, respectively, in the C-band range. The limit of detection of the modified fiber sensor was 0.0025%, which is equal to 25 ppm. The developed sensor exhibits good repeatability, reversibility, and selectivity.

show abstract

“…The principle of operation of optical fiber chemical sensors and biosensors is usually based on the variations of the properties of the sensitive layer deposited on the fiber—commonly the refractive index (RI)—which occur due to the binding of a specific target (chemical species or family) to this layer and change the guiding characteristics of the light in the POF [11,12]. Light absorption [13,14,15] or emission such as fluorescence [16,17] are also optical principles which can be employed in chemical sensing or biosensing with POF. Cennamo et al reported the development of several POF chemical sensors based on molecularly imprinted polymers (MIPs) deposited on a metal surface that covers the sensing region of a D-shaped POF [18].…”

Section: Introductionmentioning

confidence: 99%

D-Shaped POF Sensors for Refractive Index Sensing—The Importance of Surface Roughness

Sequeira

Cennamo

Rudnitskaya

et al. 2019

Sensors

View full text Add to dashboard Cite

In this study the influence of the surface roughness on the transmission capacities of D-shaped plastic optical fibers (POFs) and sensors performance was investigated. Five D-shaped POF sensors were produced and characterized for refractive index sensing between 1.33 and 1.41. The sensors were characterized using a low-cost optical sensing system based on the variation of the transmitted light though the POF with refractive index changes (RI). Higher surface roughness increases the scattering losses through the POF and influences the sensors’ performance; therefore, a balance must be attained. Generally, the best performance was achieved when the sensing region was polished with P600 sandpaper as a final polishing step. Polishing with sandpapers of lower grit size resulted in lower scattering, higher linearity of the sensor response and generally lower performance for RI sensing. A sensor resolution of 10−3–10−4 RIU, dependent on the value of the external refractive index, was obtained through simple and low-cost manufacturing procedures. The obtained results show the importance of surface roughness in the development of POF sensors which can be used in several applications, such as for water quality assessment.

show abstract

Room temperature ammonia sensor using side-polished optical fiber coated with graphene/polyaniline nanocomposite

Cited by 43 publications

References 43 publications

2D Layered Materials: Synthesis, Nonlinear Optical Properties, and Device Applications

2D Layered Materials: Synthesis, Nonlinear Optical Properties, and Device Applications

Sensing Performance of Modified Single Mode Optical Fiber Coated With Nanomaterials-Based Ammonia Sensors Operated in the C-Band

D-Shaped POF Sensors for Refractive Index Sensing—The Importance of Surface Roughness

Contact Info

Product

Resources

About