All-printed infrared sensor based on multiwalled carbon nanotubes

Gohier, A.; Dhar, Anirban; Gorintin, Louis; Bondavalli, Paolo; Bonnassieux, Yvan; Cojocaru, Costel Sorin

doi:10.1063/1.3552686

Cited by 41 publications

(17 citation statements)

References 20 publications

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“…The optical properties of CNTs help to understand their structure [ 14 ], evaluate their purity [ 15 ] and open new applications for optical sensing [ 16 , 17 ]. MWCNT-based infrared detectors have received much attention due to MWCNT band gap of 0.4–6.0 eV and high absorption efficiency in IR [ 18 ]. A bolometer based on CNT/polymer composites was constructed for the detection of infrared radiation from the range 0.2–20 μm [ 19 ] and it was shown that the sensitivity and response time of the CNT-based bolometers can be substantially improved by an appropriate functionalization and selection of organic matrix [ 19 , 20 ].…”

Section: Introductionmentioning

confidence: 99%

Sensing Properties of Multiwalled Carbon Nanotubes Grown in MW Plasma Torch: Electronic and Electrochemical Behavior, Gas Sensing, Field Emission, IR Absorption

Majzlikova

Sedláček

Prášek

et al. 2015

Sensors

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Vertically aligned multi-walled carbon nanotubes (VA-MWCNTs) with an average diameter below 80 nm and a thickness of the uniform VA-MWCNT layer of about 16 μm were grown in microwave plasma torch and tested for selected functional properties. IR absorption important for a construction of bolometers was studied by Fourier transform infrared spectroscopy. Basic electrochemical characterization was performed by cyclic voltammetry. Comparing the obtained results with the standard or MWCNT‐modified screen-printed electrodes, the prepared VA-MWCNT electrodes indicated their high potential for the construction of electrochemical sensors. Resistive CNT gas sensor revealed a good sensitivity to ammonia taking into account room temperature operation. Field emission detected from CNTs was suitable for the pressure sensing application based on the measurement of emission current in the diode structure with bending diaphragm. The advantages of microwave plasma torch growth of CNTs, i.e., fast processing and versatility of the process, can be therefore fully exploited for the integration of surface-bound grown CNTs into various sensing structures.

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Section: Introductionmentioning

confidence: 99%

Sensing Properties of Multiwalled Carbon Nanotubes Grown in MW Plasma Torch: Electronic and Electrochemical Behavior, Gas Sensing, Field Emission, IR Absorption

Majzlikova

Sedláček

Prášek

et al. 2015

Sensors

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show abstract

“…10 When used as radiation detectors, CNTs show wide absorbance and large photoresponse in the infrared spectral regime although a clear understanding of its origin is still not known. 16 For semiconductor CNTs, the band gap energy has values in the range of 0.4 eV and 6.0 eV, 17 there is an inverse relationship between the nanotubes diameter and band gap energy. The electronic configuration of CNTs depends on contribution from each individual shell making up the MWCNT structure.…”

Section: Introductionmentioning

confidence: 99%

Diameter control of carbon nanotubes using argon–acetylene mixture and their application as IR sensor

et al. 2015

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Multi-walled carbon nanotubes (CNTs) were grown via pyrolytic chemical vapor deposition technique and explored for their infrared sensing behavior. CNT synthesis was carried out over cobalt zinc ferrite (Co 0.5 Zn 0.5 Fe 2 O 4 ) catalyst nanoparticles under different gas flow conditions to control outside diameter of the nanotubes. It was found that a progressive decrease in the carbon precursor gas (acetylene in this case) from 5:1 to 9:1 (v/v) causes reduction of average CNT diameter from 85 nm to 635 nm. Growth conditions involving higher temperatures yield nanotubes/nanofibers with outer diameter of > 500 nm, presumably due to surface aggregation of nanoparticles or increased flux of carbonaceous species at the catalyst surface or both. Current-voltage characteristics of the nanotubes depending on the CNT diameter, revealed linear or nonlinear behavior. When incorporated as sensing layer, the sensitivity of ∼ 5.3 was noticed with response time of ∼ 4.1 s. It is believed that IR sensing characteristics of such CNT-based detectors can be further enhanced through post-synthesis purification and chemical functionalization treatments.

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“…In addition, the electronic structures and optoelectronic properties of SWCNTs are strongly affected by the surface oxygen, which leads to a slow photoresponse (30–60 ms) in accordance with the oxygen adsorption/desorption on the SWCNT surface . MWCNTs may present an alternative to SWCNTs with advantages in ease of the dispersion, much reduced contribution of the surface oxygen, enhanced light absorption per tube, highly anisotropy of charge conduction, and lower cost (no purification is needed) . Particularly, MWCNTs have smaller exciton binding energy due to their larger diameters with respect to their SWCNTs counterpart's, which means that the requirement for a large band‐edge offset is considerably reduced.…”

mentioning

confidence: 99%

High‐Performance Photodetectors Based on Effective Exciton Dissociation in Protein‐Adsorbed Multiwalled Carbon Nanotube Nanohybrids

Gong

et al. 2016

Advanced Optical Materials

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Biomolecule cytochrome c adsorbed to multiwalled carbon nanotubes can form interface heterojunctions for high‐efficiency exciton dissociation, photoelectron transfer and transport, in which electrons are transported along the chain of cytochrome c. The extraordinary external quantum efficiency of up to 38.2% obtained in the nanotube/cytochrome c infrared detectors illustrates that these photonic nanohybrids are promising for room temperature quantum optoelectronics.

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All-printed infrared sensor based on multiwalled carbon nanotubes

Cited by 41 publications

References 20 publications

Sensing Properties of Multiwalled Carbon Nanotubes Grown in MW Plasma Torch: Electronic and Electrochemical Behavior, Gas Sensing, Field Emission, IR Absorption

Sensing Properties of Multiwalled Carbon Nanotubes Grown in MW Plasma Torch: Electronic and Electrochemical Behavior, Gas Sensing, Field Emission, IR Absorption

Diameter control of carbon nanotubes using argon–acetylene mixture and their application as IR sensor

High‐Performance Photodetectors Based on Effective Exciton Dissociation in Protein‐Adsorbed Multiwalled Carbon Nanotube Nanohybrids

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