Human hair-derived hollow carbon microfibers for electrochemical sensing

Pramanick, Bidhan; Cadenas, Lorena Berrón; Kim, Dong-Min; Lee, Won‐Chul; Shim, Yoon‐Bo; Martínez-Chapa, Sergio O.; Madou, Marc; Hwang, Hyundoo

doi:10.1016/j.carbon.2016.06.095

Cited by 44 publications

(26 citation statements)

References 32 publications

(32 reference statements)

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“…The G‐band at 1596 cm −1 is related to the CC stretching vibration of the sp 2 atoms in the carbon ring . The intensity ratio of D‐band/G‐band ( I D / I G ) is 1.01, indicating the presence of pseudo‐graphitic structures having both disordered and nanocrystalline graphitic structures in the CMs . To further confirm the crystalline structures of the CMs, XRD analysis was employed.…”

Section: Resultsmentioning

confidence: 90%

Transparent Electric Heaters Based on Photoresist‐Derived Carbon Micropatterns on Quartz Plates

Lee

Hui-Gyun

Choi

et al. 2018

Macro Materials & Eng

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In this study, transparent electric heaters (TEHs) are developed based on photoresist‐derived carbon micropatterns (CMs). Well‐defined SU‐8 micropatterns formed by deep UV lithography are carbonized in a tube furnace under an inert atmosphere. The resulting CMs are found to have pseudo‐graphitic structures containing both graphitic and disordered structures. The optical transmittance and electrical conductivity of the CMs increase as their thickness increases. The 102 nm thick CMs exhibit a good transmittance of 78% at 550 nm and a high electrical conductivity of 2.51 × 102 S cm−1. As TEHs, the 102 nm thick CMs demonstrate a maximum temperature of 116 °C with a maximum heating rate of 8.78 °C s−1 at an applied voltage of 60 V and a low electricity consumption of 1.02 W cm−2, which are comparable to the electric heating performance of TEHs prepared with carbon nanomaterials. Therefore, the CMs fabricated in this study can be utilized as electrodes for TEHs in various medical, industrial, consumer, and automobile applications.

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Section: Resultsmentioning

confidence: 90%

Transparent Electric Heaters Based on Photoresist‐Derived Carbon Micropatterns on Quartz Plates

Lee

Hui-Gyun

Choi

et al. 2018

Macro Materials & Eng

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“…In the image obtained for human hair (Figure 3a), it is possible to observe the hair cuticle, formed by scales. After pyrolysis, a hollow and brittle carbon is obtained, 8,9 as observed in Figures 3b and 3c. Hair cortex and medulla are eliminated, remaining only the cuticle, which maintains its format on the carbon surface.…”

Section: Resultsmentioning

confidence: 96%

“…The cuticle is the protective layer and makes the outer surface of the fibers. 3,4 Several research groups have prepared carbonaceous materials derived from human hair, 2,[5][6][7][8][9][10][11] which can be used as environmental friendly electrodes with good chemical/ thermal stability, acting in catalysis and electrocatalysis, [5][6][7] gas adsorption, 2 electrochemical sensing, 8 and as electrochemical supercapacitors. 8,10,11 For these purposes, the pyrolysis temperature must be in the range of 600-900 °C ensuring the formation of graphitic carbon structures containing a small amount of heteroatoms.…”

Section: Introductionmentioning

confidence: 99%

“…8,10,11 For these purposes, the pyrolysis temperature must be in the range of 600-900 °C ensuring the formation of graphitic carbon structures containing a small amount of heteroatoms. 8,9,11 Cysteine and methionine amino acids present in hair fibers are able to interact with soft transition metal ions (e.g. Ag + , Au + , Pt 2+ , Pb 2+ , and Hg 2+ ) through sulfur donor atoms in aqueous solution forming metal complexes in the surface of hair fibers.…”

Section: Introductionmentioning

confidence: 99%

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Human Hair as Adsorbent of Palladium(II) in Solution: A Precursor of Well-Dispersed Size-Controlled Pd Nanoparticles

Mendonça¹,

Silva²,

Nascimento³

et al. 2018

J. Braz. Chem. Soc.

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This work describes, for the first time, the preparation of palladium nanoparticles supported in thermally-treated human hair. Human hair showed to be an efficient adsorbent of Pd 2+ in aqueous media, reaching nearly 100% of adsorption from a 100 ppm solution. The thermal treatment of hair containing Pd 2+ at 200 °C under nitrogen atmosphere led to the formation of an N, S-containing material presenting 0.5 wt.% of palladium. The material was extensively characterized by elemental analysis (CHN and inductively coupled plasma optical emission spectroscopy (ICP OES)), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared (FTIR) and Raman spectroscopies, and by thermogravimetry (TG), thermogravimetry coupled to mass spectrometry (TG-MS), scanning electron miscroscopy (SEM), transmission electron microscopy (TEM) and dispersive X-ray spectroscopy (EDS) analyses. It was possible to observe that the surface structure of hair was preserved during thermal treatment, presenting palladium nanoparticles with particle sizes of approximately 4 nm. This material was used as heterogeneous catalyst in a preliminary application in nitrobenzene reduction to aniline in aqueous medium using sodium borohydride.

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“…[4] Indeed, PCs have attracted ag reat deal of attention because carbon materials can be prepared from av ariety of sourceso f relativelyi nexpensivep recursors. [5][6][7] Among them, chicken feathers wastes (CFW) as ab y-producto fc hicken consumption are of low cost raw materials, whicha re widely used in several industrial applications. [8][9][10] The most component of the chicken feather is mainly composed of the keratin (protein) materials (> 90 %) that could be feasibly decomposedi nto polypeptides or amino acid-related compounds enriching nitrogen and sulphur.…”

Section: Introductionmentioning

confidence: 99%

Catalytic Activity of Bimetallic (Ruthenium/Palladium) Nano‐alloy Decorated Porous Carbons Toward Reduction of Toxic Compounds

Veerakumar

Salamalai

Dhenadhayalan

et al. 2019

Chemistry An Asian Journal

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Human hair-derived hollow carbon microfibers for electrochemical sensing

Cited by 44 publications

References 32 publications

Transparent Electric Heaters Based on Photoresist‐Derived Carbon Micropatterns on Quartz Plates

Transparent Electric Heaters Based on Photoresist‐Derived Carbon Micropatterns on Quartz Plates

Human Hair as Adsorbent of Palladium(II) in Solution: A Precursor of Well-Dispersed Size-Controlled Pd Nanoparticles

Catalytic Activity of Bimetallic (Ruthenium/Palladium) Nano‐alloy Decorated Porous Carbons Toward Reduction of Toxic Compounds

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