1. Towards airflow sensors with energy harvesting and wireless transmitting properties

Tomasz Blaszczyk; John Aa. Sørensen; Per Lynggaard; Kristian Larsen

Volume 9, Issue 5 , May 2018, Pages 311-319

  The rapidly growing demand for even more detailed low-cost measurements of weather and environmental conditions, including wind flow, asks for self-sustained energy solutions that eliminate the need for external recharge or replacement of batteries.  Today’s wind measurement market is ...  Read More

2. Investigation of new antifrictional/frictional nanocomposites based on PTFE matrix filled with Fe-doped carbon nanoparticles

Elguja Kutelia; David Gventsadze; Olga Tsurtsumia; Leri Rukhadze; Nikoloz Jalabadze; Tengiz Kukava; Teimuraz Dzigrashvili

Volume 9, Issue 5 , May 2018, Pages 320-325

  The present work is dealing with the study of a nano-compositional material which was obtained on the basis of PTFE with 2.5÷10wt% of core-shell type Fe-doped carbon nano-tubes and carbon nano-particles as fillers. The PTFE samples without the fillers were prepared too. Weight wear, friction coefficient ...  Read More

3. Preparation of polymer nano-photocatalysts by using triton X-100 to improve performance of photocatalytic hydrogen generation

Yanyu Zhang; Palas Baran Pati; Haining Tian

Volume 9, Issue 5 , May 2018, Pages 326-330

  Organic semiconducting polymer nano-particles, as nano-photocatalysts for light driven proton reduction, have been prepared by using Triton X-100 as surfactant. The nano-photocatalysts prepared by Triton X-100 showed well dispersibility in water and no precipitation observed after photocatalysis. The ...  Read More

4. Phosphorus/reduced graphene oxide nanocomposite for high-performance anode of sodium-ion batteries 

Meng Li; Su Dou; Na Feng; Xiong Pu; Weiguo Hu

Volume 9, Issue 5 , May 2018, Pages 331-335

  The red phosphorus is considered as a promising anode material for sodium-ion batteries (SIBs) due to its high theoretical capacity of 2596 mAh/g. However, red phosphorus suffers from some limitations, such as low electronic conductivity, and huge volume expansion in the process of discharging. Herein, ...  Read More

5. Recent advances in lithium-air batteries 

Chunwen Sun

Volume 9, Issue 5 , May 2018, Pages 336-344

  Lithium (Li)-ion batteries will play a key role in the electrification of transport, including electric vehicles (EVs) and plug-in hybrid electric vehicles (PHEVs). However, the present energy storage of Li-ion batteries cannot meet the requirements of transportation in terms of driving range and safety. ...  Read More

6. Fabrication and magnetic properties of Sol-Gel derived NiZn ferrite thin films for microwave applications

Shauna Robbennolt; Stephen S. Sasaki; Tylisia Wallace; Marquise Bartholomew; Sarah H. Tolbert

Volume 9, Issue 5 , May 2018, Pages 345-352

  We present a new solution-phase, sol-gel based spin-coating method to fabricating high quality, nickel zinc ferrite (NZFO) thin films. The effect of annealing temperature on the microstructure, static magnetic properties and X-band FMR linewidth and resonance field was investigated. Furthermore, the ...  Read More

7. Symmetrical and unsymmetrical squaraine sensitizers for dye-sensitized solar cells: present day advances and future challenges

Sultan A. Al-horaibi; S.T. Gaikwad; Anjali S. Rajbhoj

Volume 9, Issue 5 , May 2018, Pages 353-362

  The requirement for energy is ever increasing in the past few years due to the need for the innovation of clean energy and eco-friendly technologies. Symmetric and asymmetric squaraine dyes have received increasing attention and great potential for use as squaraine sensitizers for application in dye-sensitized ...  Read More

8. Effect of electrode material on piezoelectric output of PVDF sensor with electrospun nanofiber web

Hu Jiyong; Gu Yuanyuan; Zhang Hele; Zhu Yinda; Yang Xudong

Volume 9, Issue 5 , May 2018, Pages 363-368

  The electrospun PVDF (Polyvinylidene Fluoride) nanofiber web is commonly agreed on a kind of new sensitive materials for the sensor testing the dynamic pressure and energy harvesting, and has the characteristics of fast response and high sensitivity of pressure. As a result of the nanofiber web, it must ...  Read More

9. A sensitive electrochemical aptasensor based on single wall carbon nanotube modified screen printed electrode for detection of Escherichia coli O157:H7

M.R. Housaindokht; E. Sheikhzadeh; P. Pordeli; Z. Rouhbakhsh Zaeri; F. Janati-Fard; M. Nosrati M. Mashreghi; A. Nakhaeipour; A. A. Esmaeili; S. Solimani

Volume 9, Issue 5 , May 2018, Pages 369-374

  Escherichia coli O157:H7 (E.coli O157:H7), is an extremely infectious and potentially fatal water and food-borne pathogen, responsible for numerous hospitalisations and deaths all over the world. Herein we reported the development of simple and label-free electrochemical aptasensor based on single wall ...  Read More

10. Isothermal aging characteristics of rare earth magnesium hexaaluminate based advanced thermal barrier coatings

Premanshu Jana; Santanu Mandal;Koushik Biswas; Ponnarassery S Jayan

Volume 9, Issue 5 , May 2018, Pages 375-382

  The isothermal aging characteristics of rare earth magnesium hexaaluminate (REMHA) based thermal barrier coatings (TBC) such as lanthanum magnesium hexaaluminates (LMHA), Neodymium doped LMHA (LNMHA) and LNMHA-Yttrium aluminium garnet (YAG) composite were evaluated at 1400 °C and compared with standard ...  Read More

11. Synthesis of fluorescent water-soluble oligo (oxazoline-ethylenimine) block copolymers

Rita F. Pires; Joana Frutuoso; Ana Sofia Cortes; Ana Aguiar-Ricardo; Vasco D. B. Bonifácio

Volume 9, Issue 5 , May 2018, Pages 383-386

  The synthesis of new block copolymers of oligo-2-oxazoline and linear oligo(ethylenimine), performed using a green protocol, is described. The synthesis follow a new strategy that allow a precise control the oligo(ethylenimine) backbone. The block copolymers are water-soluble and show an intrinsic blue ...  Read More

12. Electromagnetic shielding capability of magnesium based materials: A review 

Rachit Pandey; Manoj Gupta

Volume 9, Issue 5 , May 2018, Pages 387-391

  The rapid progress in the expanse of electromagnetic devices among the broad scale of industrial, military, commercial and consumer sector has led to a surge in electromagnetic interference which has now become the fourth most prevalent category of pollution. Thus, there is a dire need of developing ...  Read More