Smart papers comprising carbon nanotubes and cellulose microfibers for multifunctional sensing applications

Dichiara, Anthony B.; Song, A.; Goodman, Sheila M.; He, Deyan; Bai, Jinbo

doi:10.1039/c7ta04329e

Cited by 65 publications

(39 citation statements)

References 37 publications

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“…The cellulose characteristic peaks also were observed in the hybrid aerogels containing 25% CNT/GnP. The change of wavenumber for O-H in the hybrids indicated the existence of hydrogen bonding between CNT/GnP and CNF [40]. Since CNT and GnP only had few oxygen containing groups, van der Waals forces and, perhaps, hydrophobic interactions also contributed to the combination of the carbon nanomaterials and CNFs.…”

Section: Effect Of Adsorbent Structurementioning

confidence: 91%

Cellulose Nanofibril/Carbon Nanomaterial Hybrid Aerogels for Adsorption Removal of Cationic and Anionic Organic Dyes

Dichiara

et al. 2020

Nanomaterials

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Advances in nanoscale science and engineering are providing new opportunities to develop promising adsorbents for environmental remediation. Here, hybrid aerogels are assembled from cellulose nanofibrils (CNFs) and carbon nanomaterials to remove cationic dye methylene blue (MB) and anionic dye Congo red (CR) in single and binary systems. Two classes of carbon nanomaterials, carbon nanotubes (CNTs) and graphene nanoplates (GnPs), are incorporated into CNFs with various amounts, respectively. The adsorption, mechanics and structure properties of the hybrid aerogels are investigated and compared among different combinations. The results demonstrate CNF–GnP 3:1 hybrid exhibits the best performance among all composites. Regarding a single dye system, both dye adsorptions follow a pseudo-second-order adsorption kinetic and monolayer Langmuir adsorption isotherm. The maximal adsorption capacities of CNF–GnP aerogels for MB and CR are 1178.5 mg g−1 and 585.3 mg g−1, respectively. CNF–GnP hybrid show a superior binary dye adsorption capacity than pristine CNF or GnP. Furthermore, nearly 80% of MB or CR can be desorbed from CNF–GNP using ethanol as the desorption agent, indicating the reusability of this hybrid material. Hence, the CNF–GnP aerogels show great promise as adsorption materials for wastewater treatment.

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Section: Effect Of Adsorbent Structurementioning

confidence: 91%

Cellulose Nanofibril/Carbon Nanomaterial Hybrid Aerogels for Adsorption Removal of Cationic and Anionic Organic Dyes

Dichiara

et al. 2020

Nanomaterials

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“…They may be resistant to both arbitrary formations and layouts. On the other hand, water uptake mainly takes place only in the amorphous areas of the paper cellulose microfibers [13]. The swelling of the paper substrate alters the conductive network of graphite particles, which decreases the potential barrier φ of neighboring graphite particles.…”

Section: Resultsmentioning

confidence: 99%

“…It is substantially pivotal for water sensing that appears intensively demanding because of the polar character of water; moreover, what currently is being put to use is quite costly, together with being impractically implementable. Dichiara et al performed a successful integration of nanomaterials in the paper, which are capable of electronic conductance, together with sensing water [13]. Nevertheless, there are necessaries for exploring extensively accessible low-cost commercial substances, together with a straightforward affordable manufacture, in particular, with the use of the pencil-on-paper methodology.…”

Section: Introductionmentioning

confidence: 99%

Pencil-on-Paper Sensor for Water Detection

Zhu

Xia

et al. 2018

Journal of Sensors

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This paper sets out a simple and affordable method for the manufacture of a water sensor involving drawing marks on paper using a flexible pencil. The sensor indicates flexible endurance variations upon exposure to water or a drying surface. It can be employed for the detection of water substances in ethanol. In addition, an experiment suggests the usefulness of the sensor for the sensing of breath. This shows the immense potential applications of the sensor for wearable and also health-inspecting electronic gadgetry.

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“…This section introduces paper and film applications realized with mixed materials of NC and CNTs. Major applications include electromagnetic interference shields [88][89][90], chemical sensors [91][92][93][94], conductive films [95][96][97][98][99], stable substrates [100,101], 3D printer ink bases [102,103], supercapacitors [104], and electrodes [105].…”

Section: Smart Paper and Filmmentioning

confidence: 99%

A Review of Applications Using Mixed Materials of Cellulose, Nanocellulose and Carbon Nanotubes

2020

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Carbon nanotubes (CNTs) have been extensively studied as one of the most interesting nanomaterials for over 25 years because they exhibit excellent mechanical, electrical, thermal, optical, and electrical properties. In the past decade, the number of publications and patents on cellulose and nanocellulose (NC) increased tenfold. Research on NC with excellent mechanical properties, flexibility, and transparency is accelerating due to the growing environmental problems surrounding us such as CO2 emissions, the accumulation of large amounts of plastic, and the depletion of energy resources such as oil. Research on mixed materials of cellulose, NC, and CNTs has been expanding because these materials exhibit various characteristics that can be controlled by varying the combination of cellulose, NC to CNTs while also being biodegradable and recyclable. An understanding of these mixed materials is required because these characteristics are diverse and are expected to solve various environmental problems. Thus far, many review papers on cellulose, NC or CNTs have been published. Although guidance for the suitable application of these mixed materials is necessary, there are few reviews summarizing them. Therefore, this review introduces the application and feature on mixed materials of cellulose, NC and CNTs.

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Smart papers comprising carbon nanotubes and cellulose microfibers for multifunctional sensing applications

Abstract: Multifunctional carbon nanotube–cellulose microfiber papers applied as highly sensitive detectors for tensile strain and water.

Cited by 65 publications

References 37 publications

Cellulose Nanofibril/Carbon Nanomaterial Hybrid Aerogels for Adsorption Removal of Cationic and Anionic Organic Dyes

Cellulose Nanofibril/Carbon Nanomaterial Hybrid Aerogels for Adsorption Removal of Cationic and Anionic Organic Dyes

Pencil-on-Paper Sensor for Water Detection

A Review of Applications Using Mixed Materials of Cellulose, Nanocellulose and Carbon Nanotubes

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