Recent advancements in the field of Nanomaterials and Nanotechnology

Ashutosh Tiwari

Volume 8, Issue 4 , April 2017, Pages 322-323

http://dx.doi.org/10.5185/amlett.2017/4001

Abstract
  In 1959 a renowned physicist Richard Feynman in his talk “There's Plenty of Room at the Bottom” discussed about nanotechnology in which he described the possibility of synthesis via direct manipulation of atoms. The term "nano-technology" was first used by Norio Taniguchi in ...  Read More

Deflection behavior of focused-ion-beam deposited carbon nanocantilever and overhung structures

Prashant K Sarswat; Madhusudan Jagannathan

Volume 8, Issue 4 , April 2017, Pages 324-330

http://dx.doi.org/10.5185/amlett.2017.6889

Abstract
  Elastic properties of nanostructures are crucial for the adequate design and long term use of nano/micro-electro-mechanical system (NEMS/MEMS) as well as their utility in nanoindentation. Carbon nanostructures were fabricated by focused ion beam (FIB) assisted deposition and milling using Naphthalene ...  Read More

Stoichiometric dependent optical limiting in PLD SiOx thin films

Partha P. Dey; Alika Khare

Volume 8, Issue 4 , April 2017, Pages 331-335

http://dx.doi.org/10.5185/amlett.2017.6931

Abstract
  In this letter, optical limiting property of the insufficiently oxidized silicon oxide (SiOx) thin films is reported. Films were deposited by Pulsed Laser Deposition technique using Q-switched Nd: YAG laser (532 nm) onto fused silica substrate at a substrate temperature of 400 °C by varying the O2 ...  Read More

Polymer-nanoparticle coatings on macroporous silicon matrix

Liudmyla A. Karachevtseva; Mykola T. Kartel; Oleg O. Lytvynenko; Volodymyr F. Onyshchenko; Kostyantyn A. Parshyn; Olena J. Stronska

Volume 8, Issue 4 , April 2017, Pages 336-341

http://dx.doi.org/10.5185/amlett.2017.1412

Abstract
  We synthesized light-emitting coatings of CdS nanocrystals in polyethyleneimine and polyethyleneimine with multiwall carbon nanotubes on macroporous silicon. The photoluminescence of CdS nanocrystals in polyethyleneimine on oxidized macroporous Si is more intense in comparison with substrates c-Si, macroporous ...  Read More

La-doped CH3NH3BaI3: A promising transparent conductor

Jiban Kangsabanik; Aftab Alam

Volume 8, Issue 4 , April 2017, Pages 342-345

http://dx.doi.org/10.5185/amlett.2017.1416

Abstract
  Hybrid perovskites (CH3NH3PbI3) is one of the most promising novel materials for solar harvesting. Toxicity of lead (Pb), however, has always remained a concern. We investigated the electronic structure of complete replacement of Pb by alkaline earths (Ca, Sr, Ba) and found them to be wide band gap (Eg) ...  Read More

Industrial grade LaCe1.85Pr0.03Nd0.06Ox/Na2CO3 nanocomposite for novel low-temperature semiconductor-ionic membrane fuel cell

Yanyan Liu; Wei Zhang; Baoyuan Wang; Muhammad Afzal; Chen Xia; Bin Zhu

Volume 8, Issue 4 , April 2017, Pages 346-351

http://dx.doi.org/10.5185/amlett.2017.7052

Abstract
  Doped ceria electrolytes have attracted intensive attentions owing to their high ionic conductivity, low activation energy, good catalytic activity and feasibility for intermediate or even low temperature operations. This work reports an interesting industrial grade rare earth LaCe1.85Pr0.03Nd0.06-oxide ...  Read More

Synthesis, characterization and bio-evaluation of core-shell QDs with ZnSe, CdS and CdSe combinations

Sreenu Bhanoth; Anuraj Kshirsagar; Pawan K Khanna; Aakriti Tyagi; Ankita Leekha; Vijay Kumar; Anita Verma

Volume 8, Issue 4 , April 2017, Pages 352-361

http://dx.doi.org/10.5185/amlett.2017.6495

Abstract
  Present article describes one-pot, two-stage, in-situ controlled atmosphere method for synthesis of core-shell quantum dots (QDs) comprising of ZnSe, CdS and CdSe combinations e.g. CdS/CdSe, ZnSe/CdS and ZnSe/CdSe. The present method emphasizes on creating an effective surface passivation of core as ...  Read More

Preparation of partially acetylated chitin nanofiber/polyethylene composite film

Keisho Iimori; Ryo Endo; Kazuya Yamamoto; Jun-ichi Kadokawa

Volume 8, Issue 4 , April 2017, Pages 362-367

http://dx.doi.org/10.5185/amlett.2017.1451

Abstract
  Chitin is widely distributed in nature and an important renewable resource. However, it has been difficult to provide a wide variety of material applications from chitin, due to poor solubility and processability. In this study, we performed surface modification of self-assembled chitin nanofibers (CNFs) ...  Read More

Cytotoxicity studies of II-VI semiconductor quantum dots on various cancer cell lines

Sreenu Bhanoth; Aakriti Tyagi; Anita K. Verma; Pawan K. Khanna

Volume 8, Issue 4 , April 2017, Pages 368-376

http://dx.doi.org/10.5185/amlett.2017.6456

Abstract
  Enhanced understanding of diseases at the molecular level has made a paradigm shift towards identifying new biological indicators especially in nanomaterials. It is important to make Quantum Dots (QDs) more than just passive bio-probes/labels for biological imaging and cellular studies as they offers ...  Read More

Porous hydroxyapatite scaffolds fabricated from nano-sized powder via honeycomb extrusion

Mohammed Elbadawi; James Meredith; Mosalagae Mosalagae; Ian M. Reaney

Volume 8, Issue 4 , April 2017, Pages 377-385

http://dx.doi.org/10.5185/amlett.2017.7063

Abstract
  In this study, we have developed hydroxyapatite (HA) scaffolds for synthetic bone graft from nano-sized HA particles using ceramic extrusion. We also demonstrate that these HA scaffolds show enhanced compressive strength (29.4 MPa), whilst possessing large pore sizes (> 600 µm) that are suitable ...  Read More

Determination of optimum cation to anion (Cd:S) ratio for the synthesis of mono sized CdS quantum dots through optical properties

Jai Kumar B; Sumanth Kumar D; Mahesh H. M

Volume 8, Issue 4 , April 2017, Pages 386-392

http://dx.doi.org/10.5185/amlett.2017.6918

Abstract
  The CdS quantum dots (QDs) were synthesized using double injection aqueous method and systematic studies were carried to determine optimum cation to anion (Cd:S) ratio to obtain mono sized CdS QDs. An efficient and convenient method is designed by utilizing the optical properties (absorbance and transmission ...  Read More

High visible-light photocatalytic performance of natural hematite ore composited with ZnO nanomaterials

Xin X. Yu; Fang Z. Dong; Bao Dong; Liang Liu; Yan Wu

Volume 8, Issue 4 , April 2017, Pages 393-397

http://dx.doi.org/10.5185/amlett.2017.7079

Abstract
  Natural hematite ore is used as a novel material for visible photocatalyst. The hematite was composited with needle-shaped ZnO via a hydrothermal approach. This hematite-based system exhibits excellent photodegradation for rhodamine (RhB) within 30 min when the hematite is hybridized with wurtzite -structured ...  Read More

Sustainability of aligned ZnO nanorods under dynamic shock-waves

M. Devika; N. Koteeswara Reddy; V. Jayaram; K. P. J. Reddy

Volume 8, Issue 4 , April 2017, Pages 398-403

http://dx.doi.org/10.5185/amlett.2017.6890

Abstract
  In this article the sustainability of ZnO nanostructures under dynamic shock waves has been investigated. ZnO nanorods were synthesized on stainless steel (SS) substrates and exposed to shock waves in an inert atmosphere. The impact of shock waves on physical properties of ZnO nanostructures was analyzed. ...  Read More

Synthesis of copper nanoparticles stabilized with cetylpyridinium chloride micelles

Nadejda N. Begletsova; Oksana A. Shinkarenko; Ekaterina I. Selifonova; Olga Yu. Tsvetkova; Andrey M. Zakharevich; Rimma K. Chernova; Aleksey A. Kletsov; Evgeny G. Glukhovskoy

Volume 8, Issue 4 , April 2017, Pages 404-409

http://dx.doi.org/10.5185/amlett.2017.1423

Abstract
  In this paper a methodology of chemical synthesis of copper nanoparticles stabilized with surfactant cetylpyridinium chloride (CPC) micelles has been developed. By varying of the volume of a reduction agent hydrazine hydrate (HH) and value of pH of the reactionary environment the optimum conditions for ...  Read More

Microstructural and tribological studies of Al2O3/ZrO2 nano multilayer thin films prepared by pulsed laser deposition

Balakrishnan G; Elangovan T; Shin-Sung Yoo; Dae-Eun- Kim; Kuppusami P; Venkatesh Babu R; Sastikumar D; Jung il Song

Volume 8, Issue 4 , April 2017, Pages 410-417

http://dx.doi.org/10.5185/amlett.2017.6434

Abstract
  Nanostructured single layer aluminium oxide (Al2O3), single layer zirconium oxide (ZrO2) and the (Al2O3/ZrO2) nano multilayer films were deposited on Si (100) substrates at an optimized oxygen pressure of 3×10 -2 mbar at room temperature by pulsed laser deposition. The Al2O3 layer was kept constant ...  Read More

Effect of static charges on mechanical-to-electrical energy conversion of electrospun PVDF nanofiber mats

Hao Shao; Jian Fang; Hongxia Wang; Tong Lin

Volume 8, Issue 4 , April 2017, Pages 418-422

http://dx.doi.org/10.5185/amlett.2017.1461

Abstract
  Polyvinylidene fluoride (PVDF) nanofiber mats prepared using electrospinning technique have been used for making mechanical-to-electrical energy conversion devices. However, the effect of residual charges on this energy conversion process has never been seriously considered yet. In this study, by removing ...  Read More

Transient reflection spectra in topological nanocrystals of Bi2Se3, Bi2Te3, Bi2Te2Se

Faizan Ahmad; Rashmi Singh; Rachana Kumar; Mukesh Jewariya; Chandra Shekhar; Naresh Kumar; Pramod Kumar

Volume 8, Issue 4 , April 2017, Pages 423-427

http://dx.doi.org/10.5185/amlett.2017.6898

Abstract
  The wavelength and time delay dependent reflection spectra of nano crystals Bi2Se3, Bi­2Te3 and Bi­2Te2Se were studied for ultrafast dynamics, using pump and probe spectroscopy. We observed only one transient peak for Bi2Se3 below 600nm, which decreases linearly with time delay. Three transient ...  Read More

Mixed lipid/polymer nanostructures: From advanced materials to drug delivery systems

Natassa Pippa; Athanasios Skandalis; Costas Demetzos; Marcin Libera; Andrzej Marcinkowski; Barbara Trzebicka

Volume 8, Issue 4 , April 2017, Pages 428-434

http://dx.doi.org/10.5185/amlett.2017.1414

Abstract
  The aim of this investigation was to study the alterations of the physicochemical characteristics of L-α-phosphatidylcholine, hydrogenated (Soy) (HSPC) and dipalmitoyl phosphatidyl choline (DPPC) liposomes, caused by the incorporation of a poly (oligoethylene glycol acrylate)-b-poly(lauryl acrylate) ...  Read More

Synthesis and characterization of low temperature superparamagnetic cobalt ferrite nanoparticles

Kamlesh V. Chandekar; K. Mohan Kant

Volume 8, Issue 4 , April 2017, Pages 435-443

http://dx.doi.org/10.5185/amlett.2017.6900

Abstract
  Cobalt ferrite (CoFe2O4) nanoparticles were synthesized by co-precipitation route at 80 °C. X-ray diffraction pattern (XRD) confirmed cubic inverse spinel structure of CoFe2O4 nanoparticles. The average crystallite size of CoFe2O4 nanoparticles estimated by X-ray line profile fitting was 12±2 ...  Read More

Titanium dioxide (TiO2) and silver/titanium dioxide (Ag/TiO2) thin films with self-cleaning properties

Ana Flávia R. Silva; Nelcy D. S. Mohallem; Marcelo M. Viana

Volume 8, Issue 4 , April 2017, Pages 444-448

http://dx.doi.org/10.5185/amlett.2017.7093

Abstract
  In this work, TiO2 and Ag/TiO2 thin films were synthesized on glass by combination of sol-gel method and dip-coating deposition technique. Thermal treatment in temperatures ranging from 100 °C to 500 °C was used to evaluate changes in structure, morphology and texture of these materials. Adherent ...  Read More

Optical properties of TiO2@C nanocomposites: Synthesized by green synthesis technique

Srikanta Karmakar; Subrata Biswas; Pathik Kumbhakar; Tapan Ganguly

Volume 8, Issue 4 , April 2017, Pages 449-457

http://dx.doi.org/10.5185/amlett.2017.1421

Abstract
  In this work, we have reported an eco-friendly and cost-effective technique of synthesis of TiO2@Carbon nanocomposites (TCNs) material by a facile solvothermal treatment of banana (Musa balbisiana) bract extract. Yellow-green photoluminescence (PL) feature and efficient catalytic activities of green ...  Read More

Effect of charge transfer band on luminescence properties of Yb doped Y2O3 nanoparticles

Pratik Deshmukh; S. Satapathy; Anju Ahlawat; Khemchand Sahoo; P. K. Gupta

Volume 8, Issue 4 , April 2017, Pages 458-464

http://dx.doi.org/10.5185/amlett.2017.6560

Abstract
  The photoluminescence properties of Yb doped Y2O3 nanoparticles were investigated in visible region to resolve the origin of dissimilar fluorescence peaks at different excited wavelengths and to explore possible use of Yb: Y2O3 for white light emission, excited by available near UV LED. The peak observed ...  Read More

Ionic conductivity enhancement studies of composite polymer electrolyte based on poly (vinyl alcohol)-lithium perchlorate-titanium oxide

Chin-Shen. Lim; K. H. Teoh; H. M. Ng; Chiam-Wen Liew; S. Ramesh

Volume 8, Issue 4 , April 2017, Pages 465-471

http://dx.doi.org/10.5185/amlett.2017.1410

Abstract
  In this study, poly (vinyl alcohol) (PVA), lithium perchlorate (LiClO4) and nano-sized titanium oxide (TiO2) were employed as host polymer, dopant salt and inorganic filler respectively. The influence of the inorganic filler on ionic conductivity, structural and morphological properties of the polymer ...  Read More

Streptavidin conjugated ZnO nanoparticles for early detection of HIV infection

L. A. Avinash Chunduri; Aditya Kurdekar; Bulagonda Eswarappa Pradeep; Mohan Kumar Haleyurgirisetty; Venkataramaniah K; Indira K. Hewlett

Volume 8, Issue 4 , April 2017, Pages 472-480

http://dx.doi.org/10.5185/amlett.2017.6579

Abstract
  Streptavidin labelled fluorescent ZnO nanoparticles have been surface engineered to develop a fluorescent ZnO nanoparticle linked immunoassay (FZLIA) for the sensitive detection of HIV infection. ZnO nanoparticles were synthesized by a single step chemical precipitation method. Cysteine was used to graft ...  Read More

Transport properties of blended cement based on dredged sediment and shells

Hassan Ez-zaki; Abdeljebbar Diouri; Siham Kamali-Bernard

Volume 8, Issue 4 , April 2017, Pages 481-485

http://dx.doi.org/10.5185/amlett.2017.1434

Abstract
  This paper reports an experimental study carried out to investigate the influence of dredged sediments and shell powders on the transport properties of mortar. Blend based on the combination of marine by-products was used to replace a part of Portland cement, after thermal treatment. Cylindrical mortars ...  Read More

Electronic excitation induced modifications of nanostructured Ni-Ti shape memory alloy thin films

V. Kumar; R. Singhal; R. Vishnoi; M. Gupta; P. Sharma; M. K. Banerjee; K. Asokan; H. Sharma; A. Gupta; D. Kanjilal

Volume 8, Issue 4 , April 2017, Pages 486-492

http://dx.doi.org/10.5185/amlett.2017.6211

Abstract
  In the present work, the effects of 120 MeV Au ion irradiation at different fluences ranging from 1×10 12 to 3×10 13 ions/cm 2 on structural and electrical properties of thin films of Nickel-titanium (Ni-Ti) shape memory alloys (SMAs) grown on Si substrate using DC magnetron co-sputtering ...  Read More

Twining ZnO nanoparticles to nanorods with control growth and size-shape dependent interactions with cancer cells: Role of physical properties and cell inhibition

Vijay Bhooshan Kumar; Pradip Paik

Volume 8, Issue 4 , April 2017, Pages 493-499

http://dx.doi.org/10.5185/amlett.2017.6474

Abstract
  In this work, we reported the control size and shape dependent cellular interactions of ZnO nanoparticles ranging from tiny nanodisks to nanorods, with carcinoma cells. These particles were synthesized through the wet chemical synthesis approach. Size and shape of the ZnO nanoparticles were tuned by ...  Read More

Single- and multi-layered porous titanium via metal injection moulding

Mohammed Menhal Shbeh; Russell Goodall

Volume 8, Issue 4 , April 2017, Pages 500-505

http://dx.doi.org/10.5185/amlett.2017.7052

Abstract
  Titanium foams are advanced materials with macroporous structure that have a great potential in a variety of areas such as biomedical and functional applications. They are characterized by their reduced density and stiffness, with high permeability and excellent biocompatibility. One production technique ...  Read More

Low viscosity, stable TiO2 nano-fluid for oxidative photo-degradation of methylene blue

Ujjwal K Bhagat; Anuraj S. Kshirsagar; Ashish Gautam; Pawan K Khanna

Volume 8, Issue 4 , April 2017, Pages 506-517

http://dx.doi.org/10.5185/amlett.2017.6960

Abstract
  The present article highlights a simple and effective method for preparation of nano-fluid (NF) by employing long carbon chain fatty acid, PVP and ethylene glycol stabilized anatase phase TiO2. The so-prepared nano-fluid (0.5 wt. %) was employed for advanced oxidative photo-degradation of MB with different ...  Read More

Nanostructured carbon materials for hydrogen energetics

Peteris Lesnicenoks; Liga Grinberga; Laimonis Jekabsons; Andris Antuzevičš; Astrida Berzina; Maris Knite; Gatis Taurins; Šarūnas Varnagiris; Janis Kleperis ​

Volume 8, Issue 4 , April 2017, Pages 518-523

http://dx.doi.org/10.5185/amlett.2017.7088

Abstract
  Hydrogen storage is one of the main problems, to catalyse wide hydrogen use in transportation, technology and energetics. Composites involving nanostructured carbon species could be the solution for hydrogen storage problem because of their promising surface/volume relation. Not only catalysis and gas ...  Read More

Synthesis of Cu doped ZnO nanorods for photosensitive UV detection application

S. N. Sarangi; V. Siva; B. K. Padhi; P. K. Sahoo

Volume 8, Issue 4 , April 2017, Pages 524-530

http://dx.doi.org/10.5185/amlett.2017.7022

Abstract
  We report the fabrication and characterization of photosensitive heterostructure device using pure and Cu doped ZnO nanorods on n-Si substrate using a low cost hydrothermal technique. Special techniques like Rutherford backscattering spectroscopy and Proton Induced X-ray emission (PIXE) were used to ...  Read More

Electrochemical nanobiosensor for real-time detection of gap junction-mediated intercellular communication activity

Halina V. Grushevskaya; Nina G. Krylova; Igor V. Lipnevich; Taisija I. Orekhovskaja; Boris G. Shulitski

Volume 8, Issue 4 , April 2017, Pages 531-541

http://dx.doi.org/10.5185/amlett.2017.7092

Abstract
  A capacitive nanobiosensor which consists of multiwalled carbon nanotubes (MWCNTs) covered by conducting oligomer of thiophene-pyrrole derivatives was constructed and fabricated to detect the gap junction-mediated communication between living cells in a monolayer. The sensor operates on screening and ...  Read More

ZnO sol-gel oxide coatings as materials for UV optical filters

Karolina Moszak; Anna Szczurek; Bartosz Babiarczuk; Beata Borak; Justyna Krzak

Volume 8, Issue 4 , April 2017, Pages 542-545

http://dx.doi.org/10.5185/amlett.2017.7108

Abstract
  Ultraviolet light influences materials structure causing the decomposition and degradation of organic compounds. One of the ideas to reduce the harmful effects of light is to protect materials by sol-gel coatings. ZnO sol-gel thin films on a glass substrate were obtained as optical filters. The filter ...  Read More

Gamma irradiation synthesis and in vitro drug release studies of ZnO/PVA hydrogel nanocomposites

Swaroop Kumaraswamy; Gangadhar Babaladimath; Vishalakshi Badalamoole; Somashekarappa H Mallaiah

Volume 8, Issue 4 , April 2017, Pages 546-552

http://dx.doi.org/10.5185/amlett.2017.6819

Abstract
  In the present work, the synthesis of ZnO/PVA hydrogel nanocomposites was carried out using the gamma irradiation technique. The ZnO nanoparticles were synthesized using co-precipitation method and dispersed in the PVA solution. To prepare the ZnO/PVA hydrogel nanocomposites, the mixture was exposed ...  Read More

Influence of anodization parameters on topographic and morphological properties of TiO2 nanotube arrays: A reconstruction from SEM measurements

A. Dussan; Heiddy P. Quiroz

Volume 8, Issue 4 , April 2017, Pages 553-556

http://dx.doi.org/10.5185/amlett.2017.7109

Abstract
  In this work, we fabricated samples of titanium dioxide nanotube arrays via electrochemical anodization by using titanium foils as anode and cathode. A solution of water, ethyleneglycol, and ammonium fluoride (NH4F) at room temperature was used for the samples synthesis process. Different times and anodizing ...  Read More

Synthesis and photoluminescence study on europium ion activated titania nanoparticle

Thoudam Nando Singhi; Thongam Gomti Devi; Shougaijam Dorendrajit Singh

Volume 8, Issue 4 , April 2017, Pages 557-564

http://dx.doi.org/10.5185/amlett.2017.1432

Abstract
  Eu 3+ doped TiO2 (0.2-1at. %) is synthesized successfully by non-aqueous sol-gel technique at low temperature. They are characterized structurally and optically with the used of X-ray diffraction (XRD), UV-visible spectrophotometer, Photoluminescence (PL), microscopy (SEM) and Transmission electron microscopy ...  Read More

Influence of oxygen ions irradiation on the optical properties of photoanodes for dye sensitized solar cell

Amrik Singh; Devendra Mohan; Dharmavir S. Ahlawat; Sandeep Chopra

Volume 8, Issue 4 , April 2017, Pages 565-571

http://dx.doi.org/10.5185/amlett.2017.6518

Abstract
  Indium Tin Oxide (ITO) coated glass acts as a substrate for photoanode of Dye Sensitized Solar Cells (DSSCs). The ITO substrate was irradiated by oxygen ion with different fluence (1x10 11 and 1x10 12 ions/cm 2 ) at 100 MeV energy. The TiO2 films were also subjected with same ion irradiation at 100 MeV ...  Read More

Electrochemcial sensing of anti-diabetic drug using hierarchically deposited PB nanocubes on carbon nanospheres layered on transparent glass electrode

Jagriti Narang; Chaitali Singhal; Vibhor Kaushal; C. S. Pundir

Volume 8, Issue 4 , April 2017, Pages 572-576

http://dx.doi.org/10.5185/amlett.2017.7041

Abstract
  Prussian Blue nanocubes / carbon nanospheres (PB-CNS) heterostructure composed of perfectly cube and spherical composite on indium tin oxide (ITO) surface were developed for in vitro sensing of anti-diabetic drug i.e. Sitagliptin (STA). Detailed morphological, electrochemical, structural and optical ...  Read More