2019
DOI: 10.3390/s19153432
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A Unique Interactive Nanostructure Knitting based Passive Sampler Adsorbent for Monitoring of Hg2+ in Water

Abstract: This work reports the development of ultralight interwoven ultrathin graphitic carbon nitride (g-CN) nanosheets for use as a potential adsorbent in a passive sampler (PAS) designed to bind Hg2+ ions. The g-CN nanosheets were prepared from bulk g-CN synthesised via a modified high-temperature short-time (HTST) polycondensation process. The crystal structure, surface functional groups, and morphology of the g-CN nanosheets were characterised using a battery of instruments. The results confirmed that the as-synth… Show more

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Cited by 10 publications
(16 citation statements)
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“…Zhang's group prepared MoS 2 /polyvinylpyrrolidone (PVP) nanocomposites by sonication of MoS 2 powder in ethanol with PVP [16]. So far, the practical application of g-CN has been limited to photocatalytic water splitting, photodegradation of dyes, bioimaging, photocatalyst, and fluorescence applications [17][18][19].…”
Section: Introductionmentioning
confidence: 99%
“…Zhang's group prepared MoS 2 /polyvinylpyrrolidone (PVP) nanocomposites by sonication of MoS 2 powder in ethanol with PVP [16]. So far, the practical application of g-CN has been limited to photocatalytic water splitting, photodegradation of dyes, bioimaging, photocatalyst, and fluorescence applications [17][18][19].…”
Section: Introductionmentioning
confidence: 99%
“…Also, for Hg monitoring in the environment, several methods and devices have been developed for passive sampling. Chouhan and co-workers [23] have developed a nano-knitted green adsorbent to be used in passive sampler devices for Hg monitoring in water. Taking into account its high toxicity, and in order to protect human health, the Commission Regulation 629 of 2 July, 2008, amending Regulation (EC) No.…”
Section: Introductionmentioning
confidence: 99%
“…These include its relatively lower bandgap energy of g‐C 3 N 4 (2.7 eV), low specific surface area, low quantum yield because of a limited electronic changeover, and a rapid recombination rate of photogenerated electrons and holes. [ 41–43 ] To circumvent these issues, researchers have tried to improve the optoelectronic properties of g‐C 3 N 4 , through post‐synthetic exfoliation of bulk g‐C 3 N 4 materials to create different morphologies including sheets, [ 44 ] nanorods, [ 45 ] nanotubes, [ 46 ] and quantum dots. [ 47 ]…”
Section: Morphologies Of G‐c3n4 Nanostructure Materialsmentioning
confidence: 99%
“…Recently, several research groups have been successful in exfoliating a few layers of pristine nanosheets from bulk material using control synthesis methods. [ 44,58–60 ] Two approaches are currently employed for the fabrication of nanosheets: a top‐down approach, and a bottom‐up approach (Figure 3A). [ 61 ] Top‐down approaches include chemical etching and ultra‐sonication‐assisted exfoliation, [ 62,63 ] whereas bottom‐up approaches involve template‐assisted and hetero atom mediated methods.…”
Section: Morphologies Of G‐c3n4 Nanostructure Materialsmentioning
confidence: 99%
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