1. Progress in the graphene research since 2010

Ashutosh Tiwari

Volume 8, Issue 3 , March 2017, Pages 185-186

  With exotic discovery of graphene, the focus of researchers brings initiatives in field of atom-thick two-dimensional (2D) materials having exceptional and extraordinary properties. In year 2010, Prof. Andre Geim and Prof. Konstantin Novoselov from the University of Manchester, UK were jointly awarded ...  Read More

2. Review of environmental life cycle assessment studies of graphene production

Rickard Arvidsson

Volume 8, Issue 3 , March 2017, Pages 187-195

  Environmentally benign production processes are required in order to ensure a sustainable graphene supply. Life cycle assessment (LCA) is an established method for assessing life cycle environmental impacts of products and production processes. In this paper, life cycle impacts of five production processes ...  Read More

3. Recent advances in electrochemical biosensor and gas sensors based on graphene and carbon nanotubes (CNT) - A review 

Gounder Thangamani J.; Kalim Deshmukh; Kishor Kumar Sadasivuni; K. Chidambaram; M. Basheer Ahamed; Deepalekshmi Ponnamma; Mariam Al-Ali AlMaadeed; S. K. Khadheer Pasha

Volume 8, Issue 3 , March 2017, Pages 196-205

  Graphene and carbon nanotubes (CNTs) based sensors have been extensively studied because of their applications in the detection of various chemicals and biomolecules. From an application point of view, high sensitivity and selectivity is a promising tool for fast detection of gas leakage and early diagnosis ...  Read More

4. Three-dimensional nanocomposites of graphene/carbon nanotube matrix-embedded Si nanoparticles for superior lithium ion batteries

Dafang He; Lixian Li; Fengjuan Bai; Chenyang Zha; Liming Shen; Harold H. Kung; Ningzhong Bao

Volume 8, Issue 3 , March 2017, Pages 206-211

  A unique hierarchically nanostructured composite of Si nanoparticles (Si NPs) embedded in a three-dimensional (3D) carbon nanotube (CNT)/graphene sheet (GS) matrix (Si@CNT/GS) is fabricated by freeze-drying and thermal reduction. In this novel nanostructured composite, since the intertwined elastic CNTs ...  Read More

5. Lamellar structures from graphene nanoparticles produced by anode oxidation

Mykola Kartel; Yuriy Sementsov; Galyna Dovbeshko; Liudmyla Karachevtseva; Stanislav Makhno; Tatiana Aleksyeyeva; Yulia Grebel

Volume 8, Issue 3 , March 2017, Pages 212-216

  An effective cheap method for graphene nanoparticles (GNP) production with controlled size distribution was developed based on anodic oxidation of condensed exfoliated graphite. As it is shown, under certain condition the GNP could be self-organized into a 3-dimensional structure that could be important ...  Read More

6. Temperature dependence green reduction of graphene oxide by urea

Pankaj Chamoli; Malay K. Das; Kamal K. Kar

Volume 8, Issue 3 , March 2017, Pages 217-222

  In the present study, temperature dependence reduction of graphene oxide into graphene nanosheets has been demonstrated using green reducing agent, urea. As synthesized graphene nanosheets have been characterized by Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR), UV-visible spectroscopy(UV-Vis), ...  Read More

7. Nitrogen-doped graphene flakes/dots /Fe3N as oxygen reduction reaction electrocatalyst

Rui Yan; Huinian Zhang; Congwei Wang; Yongzhi Liu; Quangui Guo; Junzhong Wang

Volume 8, Issue 3 , March 2017, Pages 223-228

  Nitrogen-doped graphene flakes/dots/Fe3N hybrids were synthesized by electrochemical charging/discharging of graphite in ionic liquid/water followed by thermal annealing at the presence of FeCl3. Rich edges of graphene dots and porous graphene flakes from electrochemical etching probably supply heteroatom-doping ...  Read More

8. Graphene bentonite supported ZnFe2O4 as superparamagnetic photocatalyst for antibiotic degradation 

Pardeep Singh; Sourav Gautam; Pooja Shandilya; Bhanu Priya; Virender P. Singh; Pankaj Raizada

Volume 8, Issue 3 , March 2017, Pages 229-238

  The supported photocatalysis is emerging as an effective technology to overcome of inherent drawbacks of bare magnetic photocatalysts. Herein, ZnFe2O4 was immobilized over graphene sand composite (GSC) and bentonite (BT) to report ZnFe2O4/GSC and ZnFe2O4/BT photocatalyst. The size of ZnFe2O4/GSC and ...  Read More

9. Facile synthesis of few layer graphene from bituminous coal and its application towards electrochemical sensing of caffeine

E. Senthil Kumar; V. Sivasankar; R. Sureshbabu; S. Raghu; R. A. Kalaivani

Volume 8, Issue 3 , March 2017, Pages 239-245

  A simple, cost-effective, sensitive and highly selective method for the detection of caffeine has been developed at graphene modified carbon paste electrodes (GME). We synthesis of graphene oxide (GO) derived from bituminous coal by improved modified Hummers method. The synthesized graphene were characterized ...  Read More

10. Spectroscopic investigation of charge and energy transfer in P3HT/GO nanocomposite for solar cell applications

Fokotsa V. Molefe; Mohammed Khenfouch; Mokhotjwa S. Dhlamini; Bakang M. Mothudi

Volume 8, Issue 3 , March 2017, Pages 246-250

  As the world demand for energy continue to increase, it is vital to improve renewable energy technologies that will replace conventional fossil fuels. Carbonaceous graphene oxide (GO) is a promising nanomaterial, easy to prepare and scale up to commensurate with industrial requirements. The nanocomposite ...  Read More

11. Catalytic reduction of 4-nitrophenol by  gamma radiation assisted synthesized Au-rGO nanocomposite 

K. Hareesh; R. P. Joshi; V. N. Bhoraskar; S. D. Dhole

Volume 8, Issue 3 , March 2017, Pages 251-255

  Gold-reduced graphene oxide (AG) nanocomposites were synthesized by one-step gamma radiation assisted method. UV-Visible spectroscopic results showed the disappearance of 230 nm peak and appearance of a peak around 269 nm in AG nanocomposite confirming the reduction of GO, and also a peak around 534 ...  Read More

12. Electronic and aromatic properties of graphene and nanographenes of various kinds: insights and results 

Aristides D. Zdetsis; Eleftherios N. Economou

Volume 8, Issue 3 , March 2017, Pages 256-261

  Using suitable Density Functional Theory (DFT) methods and models of various sizes and symmetries, we have obtained the aromaticity pattern of infinite graphene, which is an intrinsically collective effect, by a process of “spatial” evolution. Using a similar process backwards we obtain the ...  Read More

13. The freeze-thaw technique for exfoliation of graphite: A novel approach for bulk production of scroll-free graphene oxide sheets

Vishal S. Makadia; Lalit M. Manocha; Satish Manocha; Hasmukh L. Gajera

Volume 8, Issue 3 , March 2017, Pages 262-264

  A freeze-thaw technique is put forth as a novel approach to exfoliating graphene oxide sheets (GO-sheets) in aqueous media.  This method does not use shear force or high-temperature treatment at any stage. Avoiding these factors prevents scrolling and promotes defect-free synthesis of the graphitic ...  Read More

14. Engineering of electronic transmission in novel graphene super lattice by the means of dirac gap and fermi velocity

Mehdi Sattari-Esfahlan; Saeid Shojaei

Volume 8, Issue 3 , March 2017, Pages 265-268

  The transmission spectrum and conductance of a graphenesuperlattice (GSL) have been studied theoretically by using the adopted transfer matrix method. Heterostructured substrate and series of grounded metallic planes placed over graphene sheet are used to induce periodically modulated Dirac gap and Fermi ...  Read More

15. Supercritical CO2 aided polyindole-graphene nanocomposites for high power density electrode

Harish Mudila; Sweta Rana; Mohammad G. H. Zaidi

Volume 8, Issue 3 , March 2017, Pages 269-275

  A series of Polyindole/Graphene nanocomposites (PGNCs) as electrochemical energy storage materials were fabricated at varying concentration (%, w/w) of graphene raging 3.0–9.0 in Polyindole (PIN) matrix in Supercritical CO2. The electrochemical behavior of PGNC prepared at different proportion ...  Read More

16. The effect of graphene layers on the growth of vanadium oxide nanostructures: Structural, morphological and optical investigations and mechanisms revelation

Issam Derkaoui; Mohammed Khenfouch; Ibrahim Elmokri; Bakang M. Mothudi; Mokhotjwa S. Dhlamini; Sabata J. Moloi. Anouar Jorio; Izeddine Zorkani; Malik Maaza

Volume 8, Issue 3 , March 2017, Pages 276-282

  Most recently, Vanadium oxide nanoparticles/reduced Graphene oxide (VO-NPs/rGO) nanocomposite have attracted extensive attention due to their potential applications in energy-related areas. Hence, understanding the interactions on behalf the effect of graphene layers on the modification of VO-NPs properties ...  Read More

17. Spin transport in graphene monolayer antiferromagnetic calculated using the Kubo formalism

L. S. Lima

Volume 8, Issue 3 , March 2017, Pages 283-287

  We have employed the Dirac's massless quasi-particles together with the Kubo's formalism of the linear response to study the spin transport properties by electrons in the graphene monolayer. We have calculated the electric conductivity and verified the behavior of the AC and DC currents of this ...  Read More

18. High- quality factor poly (vinylidenefluoride) based novel nanocomposites filled with graphene nanoplatelets and vanadium pentoxide for high-Q capacitor applications

Kumar Digvijay Satapathy; Kalim Deshmukh; M. Basheer Ahamed; Kishor Kumar Sadasivuni; Deepalekshmi Ponnamma; S. K. Khadheer Pasha; Mariam Al-Ali AlMaadeed; Jamil Ahmad

Volume 8, Issue 3 , March 2017, Pages 288-294

  Herein, we report the synthesis of poly (vinylidene fluoride) (PVDF) based novel nanocomposites reinforced with graphene nanoplatelets (GNP) and vanadium pentoxide (V2O5) as nanofillers. The PVDF/V2O5/GNP nanocomposite films were characterized using Fourier transform infrared spectroscopy (FTIR), X-ray ...  Read More

19. Lanthanum doped–TiO2 decorated on graphene oxide nanocomposite: A photocatalyst for enhanced degradation of acid blue 40 under simulated solar light 

Samuel O.B. Oppong; William W. Anku; Sudheesh K. Shukla; Poomani P. Govender

Volume 8, Issue 3 , March 2017, Pages 295-302

  La-TiO2-GO nanocomposites were successfully synthesised via sol-gel method. Structures, morphologies and photocatalytic activities of the as-synthesized nanocomposites were determined using X-ray diffraction (XRD), transmission electron microscopy (TEM), Raman spectroscopy (RS) and scanning electron ...  Read More

20. Synergetic enhanced day-light driven photocatalytic reduction of heavy metal Cr(VI) by graphene supported ZnO nanocubes

P. V. Ramana; A. Viswadevarayulu; K. Kumar; S. Adinarayana Reddy

Volume 8, Issue 3 , March 2017, Pages 303-308

  The potential of a novel photocatalyst graphene-ZnO (G-ZnO) obtained from graphene oxide and zinc acetate dihydrate was investigated for the reduction of heavy metal Cr(VI) ions from water. In which ZnO nanocubic crystals were finely doped on the graphene sheets, was well done by facile wet chemical/reflux ...  Read More

21. Flexible cefalexin-immobilized graphene oxide film for antibacterial and drug delivery

Xun Xu; Fangwang Ming; Jinqing Hong; Zhoucheng Wang

Volume 8, Issue 3 , March 2017, Pages 309-314

  The flexible and freestanding graphene oxide (GO) film was fabricated for drug delivery and antibacterial. The film was synthesized by covalently attaching cefalexin onto graphene oxide sheets and then made by filtration of the colloidal suspension. SEM and optical images show that the Cefalexin-grafted ...  Read More

22. Effect of the precursor graphite on the structure and morphology of graphite oxide and reduced graphene oxide

Demudu B. Dommisa; Raj K. Dash*

Volume 8, Issue 3 , March 2017, Pages 315-321

  In this work the effect of the precursor graphite on the structure and morphology of the graphene oxide and reduced graphene oxide are investigated by considering three different sizes source graphite such as 2-15, <45 and 170-840μm respectively. All the three graphite were oxidized by Modified ...  Read More