Volume 13 (2022)
Volume 12 (2021)
Volume 11 (2020)
Volume 10 (2019)
Volume 9 (2018)
Volume 8 (2017)
Volume 7 (2016)
Volume 6 (2015)
Volume 5 (2014)
Volume 4 (2013)
Volume 3 ( 2012)
Volume 2 (2011)
Volume 1 (2010)
Carbon Materials and Technology
CO2 Permeation through Nanoporous graphene: a theoretical study

Zacharias Fthenakis; Antonios Fountoulakis; Ioannis Petsalakis; Nektarios Lathiotakis

Volume 13, Issue 3 , July 2022

http://dx.doi.org/10.5185/amlett.2022.031700

Abstract
  This work is part of a systematic study on the energy barriers for the permeation of several molecules, like He, H2, CO, CO2, H2O, NH3, CH4 etc, through nanoporous single layer graphene, having pores with different shape, size, and type. In the present work, we focus on the permeation of CO2 through ...  Read More

Nanomaterials & Nanotechnology
Improved graphene-base heterojunction transistor with different collector semiconductors for high-frequency applications

Carsten Strobel; Carlos Chavarin; Sebastian Leszczynski; Karola Richter; Martin Knaut; Johanna Reif; Sandra Voelkel; Matthias Albert; Christian Wenger; Johann Wolfgang Bartha; Thomas Mikolajick

Volume 13, Issue 1 , January 2022, , Pages 2201-1688

http://dx.doi.org/10.5185/amlett.2022.011688

Abstract
  A new kind of transistor device with a graphene monolayer embedded between two n-type silicon layers is fabricated and characterized. The device is called graphene-base heterojunction transistor (GBHT). The base-voltage controls the current of the device flowing from the emitter via graphene to the collector. ...  Read More

Computational Materials and Modelling
From Zero to Infinity: Customized Atomistic Calculations for Crystalline Solids —Applications to Graphene and Diamond

Aristides D. Zdetsis; Shanawer Niaz

Volume 12, Issue 9 , September 2021, , Pages 1-1

http://dx.doi.org/10.5185/amlett.2021.091659

Abstract
  We demonstrate that a suitable atomistic method with judicially selected nanoclusters/ nanocrystals (in real space) supplemented with general symmetry and dimensionality arguments, can give surprisingly good results for macroscopic properties of the infinite crystalline solid, such as bandgaps, cohesive ...  Read More

From Zero to Infinity: Customized Atomistic Calculations for Crystalline Solids —Applications to Graphene and Diamond


Graphene in Russia: The Main Centers, Research Areas, Results

Grachev Vladimir; Gubin Sergey

Volume 10, Issue 12 , December 2019, , Pages 855-859

http://dx.doi.org/10.5185/amlett.2019.2272

Abstract
  Russian graphene research centers are presented, in which the most significant results were obtained. The cities, scientific groups, their leaders, main research areas are listed: methods of synthesis and diagnostics of graphene and graphene-like structures, theoretical methods in the application to ...  Read More

Graphene in Russia: The Main Centers, Research Areas, Results


Nano-Graphene and Its Derivatives for Fabrication of Flexible Electronic Devices: A Quick Review

Wee Siang Koh; Kiat Moon Lee; Pey Yi Toh; Swee Pin Yeap

Volume 10, Issue 10 , October 2019, , Pages 676-681

http://dx.doi.org/10.5185/amlett.2019.0050

Abstract
  Along with technology development, the demand for flexible, foldable, and portable electronic devices has grew over the past few years. Successful fabrication of this flexible electronic devices relying on the internal electronic components which are also flexible and lightweight. In this regard, researchers ...  Read More

Nano-Graphene and Its Derivatives for Fabrication of Flexible Electronic Devices: A Quick Review


Magnetic Properties of Intercalated Gr/Ni (111) System

Sergey M. Dunaevsky; Evgeniy K. Mikhailenko; Igor I. Pronin

Volume 10, Issue 9 , September 2019, , Pages 633-636

http://dx.doi.org/10.5185/amlett.2019.0021

Abstract
  Intercalation of graphene (Gr) with transition metals is perspective for creating magnetic tunnel junctions and structures of the type graphene/ferromagnetic metal/substrate with perpendicular magnetic anisotropy (PMA). The paper presents the results of first-principle calculations of the magnetic properties ...  Read More

Magnetic Properties of Intercalated Gr/Ni (111) System


Various surfactants for 0 – 3 dimensional nanocarbons: Separation, exfoliation and solubilization

Naoki Komatsu

Volume 10, Issue 8 , August 2019, , Pages 520-523

http://dx.doi.org/10.5185/amlett.2019.2278

Abstract
  Nanocarbons are carbon allotropes with nanometer scale and comprised mainly of 0 – 3 dimensional (0D – 3D) forms; fullerenes (0D), carbon nanotubes (1D), graphene (2D), and nanodiamond (3D). In our group, various surfactants with appropriate size and shape have been developed for the nanocarbons. ...  Read More

Various surfactants for 0 – 3 dimensional nanocarbons: Separation, exfoliation and solubilization


Innovative Graphene-PDMS sensors for aerospace applications 

Filomena Piscitelli; Gennaro Rollo; Fabio Scherillo; Marino Lavorgna

Volume 10, Issue 8 , August 2019, , Pages 533-538

http://dx.doi.org/10.5185/amlett.2019.9903

Abstract
  For aerospace morphing and deployable applications, the use of PDMS-based sensors is crucial because they are characterized by easy application on large surfaces, light design, very large deformations, and durability in harsh environmental conditions. In this contest, the goal of the present work is ...  Read More

Innovative Graphene-PDMS sensors for aerospace applications 


Chemical Reactivity and Electronical Properties of Graphene and Reduced Graphene Oxide on Different Substrates

E. Celasco

Volume 10, Issue 8 , August 2019, , Pages 545-549

http://dx.doi.org/10.5185/amlett.2019.2204

Abstract
  The chemical reactivity and the electronical properties variation of graphene (G) supported on Ni(111) and of the reduced Graphene Oxide (rGO) will be described thanks to the framework of University of Genoa and Polytechnic of Turin. We will present the main results obtained on the reactivity, towards ...  Read More

Chemical Reactivity and Electronical Properties of Graphene and Reduced Graphene Oxide on Different Substrates


Synthesis of 9-Aminoacridine and its Application as an Anode Material for Aqueous Rechargeable Lithium–ion Batteries

Madhushree M. Ravikumar; Vijeth R. Shetty; Suresh G. Shivappa

Volume 10, Issue 8 , August 2019, , Pages 586-594

http://dx.doi.org/10.5185/amlett.2019.9909

Abstract
  Two organic compounds namely Acridine (ACD) and 9-aminoacridine (ACD-NH2) have been investigated as electrode materials for an aqueous rechargeable lithium-ion battery (ARLIB) applications. The electrochemical investigations reveal that the active species act as anodes in ARLIB systems. In this regard, ...  Read More

Synthesis of 9-Aminoacridine and its Application as an Anode Material for Aqueous Rechargeable Lithium–ion Batteries


Functionalization of Graphene and Reduced Graphene Oxide in Different Matrices

E. Celasco; M. Sangermano

Volume 10, Issue 7 , July 2019, , Pages 460-464

http://dx.doi.org/10.5185/amlett.2019.2201

Abstract
  Graphene (G) presents a huge variety of intriguing properties, as extraordinary electronic transport characteristics. G, thanks to its low chemical reactivity, can also be used as an active support for catalytic nanoparticles. Some possible graphene application could be: its employment in active material ...  Read More

Functionalization of Graphene and Reduced Graphene Oxide in Different Matrices


Graphene and doped graphene: A comparative DFT study

Jyoti Tyagi; Lekha Sharma; Rita Kakkar

Volume 10, Issue 7 , July 2019, , Pages 484-490

http://dx.doi.org/10.5185/amlett.2019.2168

Abstract
  Two different models, ovalene (C32H14) and circumcoronene (C54H18) and their respective doped models (C31XH14, C53XH18 where X = B, Al, N, P, Fe, Ni and Pt) have been considered for DFT calculations at the GGA-PBE/DNP level. The two models are compared on the basis of various calculated structural parameters ...  Read More

Graphene and doped graphene: A comparative DFT study


Increasing the efficiency of graphene-based Schottky-barrier devices

Shuo-En Wu; Ya-Ping Hsieh

Volume 10, Issue 2 , February 2019, , Pages 132-135

http://dx.doi.org/10.5185/amlett.2019.2183

Abstract
  Graphene’s high carrier mobility and ambipolar nature has the potential to improve electronic devices. The absence of a band-gap necessitates heterostructure devices. Schottky-barrier devices consisting of an interface between graphene and a semiconductor represent the simplest heterostructure. ...  Read More

Increasing the efficiency of graphene-based Schottky-barrier devices


Removal of dyes from wastewater by nanomaterials : A review

Wenqian Ruan; Jiwei Hu; Jimei Qi; Yu Hou; Chao Zhou; Xionghui Wei

Volume 10, Issue 1 , January 2019, , Pages 9-20

http://dx.doi.org/10.5185/amlett.2019.2148

Abstract
  Dyes are widely used to colour products in textile, leather tanning, cosmetics, pigment and many other industries. Effluents discharged from these industries cause potential hazards to environment and human health. Hence, the removal of dyes from water/wastewater has gained a huge attention in recent ...  Read More

Removal of dyes from wastewater by nanomaterials : A review


Three-dimensional Bi2WO6/graphene aerogel electrode for high-performance supercapacitor

Xun Xu; Fangwang Ming; Jinqing Hong; Zhoucheng Wang

Volume 9, Issue 3 , March 2018, , Pages 188-191

http://dx.doi.org/10.5185/amlett.2018.1719

Abstract
  Graphene-based aerogels with porous structure and three-dimensional (3D) network have attracted plentiful interests recently because they could exhibit as an excellent matrix for various kinds of nanoparticles, thus providing a potential prospect in a variety of applications. In this report, 3D composite ...  Read More

Three-dimensional Bi2WO6/graphene aerogel electrode for high-performance supercapacitor


Graphene-metal oxide nanocomposites for supercapacitors: A perspective review

Vardhaman V. Khedekar; Shaikh Mohammed Zaeem; Santanu Das

Volume 9, Issue 1 , January 2018, , Pages 2-19

http://dx.doi.org/10.5185/amlett.2018.1932

Abstract
  Graphene-Metal oxide nanocomposites have been extensively investigated due to their potential applications in the fields of energy devices, including, solar cells, fuel cells, batteries, sensors, electro-catalysis, and photo-catalysis. Among them, several researches have been performed on supercapacitors, ...  Read More

Graphene-metal oxide nanocomposites for supercapacitors: A perspective review


Graphenated ceramic nanofibers for highly sensitive simultaneous detection of dopamine, uric acid and ascorbic acid

Masoud Taleb; Irina Hussainova; Roman Ivanov; Iwona Jasiuk

Volume 8, Issue 12 , December 2017, , Pages 1178-1183

http://dx.doi.org/10.5185/amlett.2017.1557

Abstract
  The present study reports the simultaneous determination of ascorbic acid (AA), dopamine (DA) and uric acid (UA) in 0.1 M phosphate buffer solution (pH = 7.0) using a novel electrode material prepared from oxide ceramic nanofibers by applying a single step chemical vapor deposition method. Electron-transfer ...  Read More

Synthesis of WO3@graphene composite for fructose degradation

Zhenya Jiang; Yao Wang; Lifeng Yan

Volume 8, Issue 12 , December 2017, , Pages 1184-1187

http://dx.doi.org/10.5185/amlett.2017.1660

Abstract
  WO3@Graphene (WO3@GR) nanocomposite has been synthesized by using a simple sonochemical method, and the phosphotungstic acid was used as the source of the WO3 nanoparticles. The new catalyst was analyzed by means of FT-IR, XRD, TEM, and SEM-EDX. FT-IR spectrum of the new material reveals that sulfonic ...  Read More

A high energy 3V lithium-ion capacitor synthesized via electrostatic spray deposition

Richa Agrawal; Chunhui Chen; Samantha Dages; Chunlei Wang

Volume 8, Issue 7 , July 2017, , Pages 783-790

http://dx.doi.org/10.5185/amlett.2017.7098

Abstract
  Reduced graphene oxide-carbon nanotube (rGO-CNT) and anatase TiO2-Li4Ti5O12 (ATO-LTO) composite electrodes were synthesized via electrostatic spray deposition (ESD) and analyzed as cathode and anode vs. lithium, respectively.  The rGO-CNT and ATO-LTO electrodes were able to deliver discharge ...  Read More

Progress in the graphene research since 2010

Ashutosh Tiwari

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

http://dx.doi.org/10.5185/amlett.2017.3001

Abstract
  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

Review of environmental life cycle assessment studies of graphene production

Rickard Arvidsson

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

http://dx.doi.org/10.5185/amlett.2017.1413

Abstract
  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

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

http://dx.doi.org/10.5185/amlett.2017.7042

Abstract
  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

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

http://dx.doi.org/10.5185/amlett.2017.7038

Abstract
  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

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

http://dx.doi.org/10.5185/amlett.2017.1428

Abstract
  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

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

http://dx.doi.org/10.5185/amlett.2017.1491

Abstract
  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