Graphene Solar Cells-Will it be the Ultimate Power Converter?

Banerjee, Arghya Narayan

doi:10.17352/2455-3492.000005

Cited by 3 publications

(4 citation statements)

References 16 publications

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“…In bottom up method, nanoparticles are synthesized by joining smaller molecules and particles [9] mostly using chemical and biological methods. Green route a bottom up method of nanoparticle synthesis, includes the plant phytochemicals as a reducing, capping and stabilizing agent in synthesis of nanoparticles [10][11][12][13][14][15]. Nanoparticles synthesized via this route are in high demand due to its cost effectiveness, easy to perform, safe for human use, enhanced antimicrobial activity and stable structure, over the other physical and chemical methods [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Green Synthesis, Characterization and Antimicrobial Activity of Zinc Oxide Nanoparticles Using Root Extract of Viola canescens Wall. ex. Roxb.

et al. 2019

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Stable zinc oxide nanoparticles were synthesized by using green approach of nanotechnology. The present investigation aimed to synthesize, stable, cost effective, rapid, eco-friendly approach for the bio-reduction of zinc nitrate hexahydarate to their nano size using phytochemicals present in the root extract of Viola canescens. The synthesized nanoparticles were further characterized by UV-visible, XRD, FTIR, SEM techniques and tested against the Gram-negative and Gram-positive pathogenic cultures of bacteria. The average size of synthesized nanoparticles was less than 11 nm with hexagonal morphology. The clear zone of inhibition against tested bacteria showed their capability as antimicrobial agent.

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Section: Introductionmentioning

confidence: 99%

Green Synthesis, Characterization and Antimicrobial Activity of Zinc Oxide Nanoparticles Using Root Extract of Viola canescens Wall. ex. Roxb.

et al. 2019

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“…Just like 20 th century is considered to be the age of plastics, 21 st century may become the age of graphene [36][37][38][39][40][41][42]. It is a one-atom thick, two-dimensional honeycomb structure of sp 2 -hybridized carbon atoms (see figure 3(a) [42]), which is called 'wonder material', because of its many unique and fascinating properties, like having zero bandgap (due to the 'pinching off' of the conduction and valence bands at the Brillouin zone corners, leading to the charge carries behave like massless relativistic particles or Dirac fermions) to manifest a linear dispersion in energy spectrum; its metallic conductivity can be tuned to semiconductive behavior by controlling the size below 10 nm via quantum confinement effect (whereas for larger size, the properties are largely dependent on the edge configurations); having extraordinary electrical conductivity (mobility∼200 000 cm 2 V −1 s −1 ) due to the delocalized out-of-plane π bonds arising from the sp 2 hybridization of carbon atoms; both electrons and holes are having unusual half-integral quantum Hall effect at room temperature; extraordinarily high mechanical strength (nearly 200 times stronger than steel with Young's modulus approx.…”

Section: The Age Of Graphenementioning

confidence: 99%

Green syntheses of graphene and its applications in internet of things (IoT)—a status review

Banerjee¹

2022

Nanotechnology

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Internet of Things (IoT) is a trending technological field that converts any physical object into a communicable smarter one by converging the physical world with the digital world. This innovative technology connects the device to the internet and provides a platform to collect real-time data, cloud storage, and analyze the collected data to trigger smart actions from a remote location via remote notifications etc. Because of its wide-ranging applications, this technology can be integrated into almost all the industries. Another trending field with tremendous opportunities is Nanotechnology, which provides many benefits in several areas of life, and helps to improve many technological and industrial sectors. So, integration of IoT and Nanotechnology can bring about the very important field of Internet of Nanothings (IoNT), which can re-shape the communication industry. For that, data (collected from trillions of nanosensors, connected to billions of devices) would be the ‘ultimate truth’, which could be generated from highly efficient nanosensors, fabricated from various novel nanomaterials, one of which is graphene, the so-called ‘wonder material’ of the 21st century. Therefore, graphene-assisted IoT/IoNT platforms may revolutionize the communication technologies around the globe. In this article, a status review of the smart applications of graphene in the IoT sector is presented. Firstly, various green synthesis of graphene for sustainable development is elucidated, followed by its applications in various nanosensors, detectors, actuators, and memory and nano-communication devices. Also, the future market prospects are discussed to converge various emerging concepts like machine learning, fog/edge computing, artificial intelligence, big data, blockchain, with the graphene-assisted IoT field to bring about the concept of ‘all-round connectivity in every sphere possible.

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“…PEG (16.0% w/w)/magnesium sulphate (10.9% w/w) was found most suitable for the purification of anthocyanins. [ 28 ] Processing of anthocyanins from jamun ( Syzygium cumini L.) was obtained anthocyanins in a purified form. Adsorption was carried out using different adsorbents, and among these, Amberlite XAD7HP showed the highest adsorption capacity (1.07 mg/ml of adsorbent) and desorption ratio (87.62%).…”

Section: Introductionmentioning

confidence: 99%

“…Antioxidants extracted from seed. [ 28 ] PEG (16.0% w/w)/magnesium sulphate (10.9% w/w) was found most suitable for the purification of anthocyanins. [ 27 ] Adsorption that was carried showed the highest adsorption capacity (1.07 mg/ml of adsorbent) and desorption ratio (87.62%).…”

Section: Introductionmentioning

confidence: 99%

Characterization ofSyzygium cuminiparticulatesfilled E‐glassfiber‐reinforced epoxy composites

Ayyanar¹,

Mohan²,

Bharathiraj

et al. 2021

Polymer Composites

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The biodegradable and naturally available waste Syzygium cumini particulates filled E-glass fiber laminate-reinforced composites were fabricated with different weight percentages. The present work is to develop a new composite from huge waste of S. cumini seeds. The two different combinations of composites with different concentration (10,20,30, 40, and 50 wt%) of reinforcement were fabricated through open layup molding techniques. Functional groups, X-ray diffraction, surface morphology, carbon, hydrogen, nitrogen and sulphur (CHNS) elemental analysis, and mechanical characteristics (tensile, flexural strength, and hardness) of fabricated composites were evaluated. The maximum tensile strength, flexural strength, and maximum Shore D hardness of the composite were found to be 14.04 ± 0.5 MPa, 1603 ± 0.5 MPa, and 92 ± 0.5 SHN, respectively. By incorporating E-glass fiber laminate on both sides of the S. cumini particulates filled epoxy composite enhanced mechanical properties compared with S. cumini particulates filled epoxy composites. The results showed that these composites can be utilized as panels for low strength applications.

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Graphene Solar Cells-Will it be the Ultimate Power Converter?

Cited by 3 publications

References 16 publications

Green Synthesis, Characterization and Antimicrobial Activity of Zinc Oxide Nanoparticles Using Root Extract of Viola canescens Wall. ex. Roxb.

Green Synthesis, Characterization and Antimicrobial Activity of Zinc Oxide Nanoparticles Using Root Extract of Viola canescens Wall. ex. Roxb.

Green syntheses of graphene and its applications in internet of things (IoT)—a status review

Characterization ofSyzygium cuminiparticulatesfilled E‐glassfiber‐reinforced epoxy composites

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