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Nanomaterials, Volume 7, Issue 6

June 2017 - 33 articles

Cover Story: The combination of piezoelectric and polymer materials is an effective way to make the piezoelectric nanogenerator (PENG) possess both the polymer’s optimal flexibility and the ferroelectric material’s high piezoelectric coefficient. The volume ratio of ferroelectric material in the composite is an important factor that determines the PENG’s output performance. However, a systematic theoretical study about this phenomenon is lacking in the literature. In this paper, we studied the output voltage of the BaTiO3/polydimethylsiloxane (PDMS) composite PENG with different volume ratios of evenly distributed BaTiO3 cubes, and found the optimal volume ratio (46%) of the BaTiO3 cubes. At this ratio, the PENG can output the highest voltage, resulting in a trade-off between the surface charge and capacitance of the composite PENG. These results are of practical importance to optimize PENG’s performance. View the paper
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Articles (33)

  • Article
  • Open Access
66 Citations
9,108 Views
12 Pages

The Development of Non-Enzymatic Glucose Biosensors Based on Electrochemically Prepared Polypyrrole–Chitosan–Titanium Dioxide Nanocomposite Films

  • Ali M. A. Abdul Amir AL-Mokaram,
  • Rosiyah Yahya,
  • Mahnaz M. Abdi and
  • Habibun Nabi Muhammad Ekramul Mahmud

The performance of a modified electrode of nanocomposite films consisting of polypyrrole–chitosan–titanium dioxide (Ppy-CS-TiO2) has been explored for the developing a non-enzymatic glucose biosensors. The synergy effect of TiO2 nanoparticles (NPs) a...

  • Communication
  • Open Access
37 Citations
7,203 Views
9 Pages

Dye-sensitized solar cells (DSSCs) are highly promising since they can potentially solve global energy issues. The development of new photosensitizers is the key to fully realizing perspectives proposed to DSSCs. Being cheap and nontoxic, carbon quan...

  • Review
  • Open Access
180 Citations
12,777 Views
31 Pages

Nanofluid Types, Their Synthesis, Properties and Incorporation in Direct Solar Thermal Collectors: A Review

  • Wisut Chamsa-ard,
  • Sridevi Brundavanam,
  • Chun Che Fung,
  • Derek Fawcett and
  • Gerrard Poinern

The global demand for energy is increasing and the detrimental consequences of rising greenhouse gas emissions, global warming and environmental degradation present major challenges. Solar energy offers a clean and viable renewable energy source with...

  • Article
  • Open Access
5 Citations
5,375 Views
8 Pages

Formation of Conductive DNA-Based Nanowires via Conjugation of dsDNA with Cationic Peptide

  • Zeinab Esmail Nazari,
  • Julio Gomez Herrero,
  • Peter Fojan and
  • Leonid Gurevich

A novel conductive DNA-based nanomaterial, DNA-peptide wire, composed of a DNA core and a peripheral peptide layer, is presented. The electrical conductivity of the wire is found to be at least three orders in magnitude higher than that of native dou...

  • Review
  • Open Access
230 Citations
15,119 Views
25 Pages

A Review of the Structure, Preparation, and Application of NLCs, PNPs, and PLNs

  • Qianwen Li,
  • Tiange Cai,
  • Yinghong Huang,
  • Xi Xia,
  • Susan P. C. Cole and
  • Yu Cai

Nanostructured lipid carriers (NLCs) are modified solid lipid nanoparticles (SLNs) that retain the characteristics of the SLN, improve drug stability and loading capacity, and prevent drug leakage. Polymer nanoparticles (PNPs) are an important compon...

  • Article
  • Open Access
52 Citations
9,269 Views
14 Pages

Curcuma mangga-Mediated Synthesis of Gold Nanoparticles: Characterization, Stability, Cytotoxicity, and Blood Compatibility

  • Yiing Yee Foo,
  • Vengadesh Periasamy,
  • Lik Voon Kiew,
  • G. Gnana Kumar and
  • Sri Nurestri Abd Malek

The utilization of toxic chemicals as reducing and stabilizing agents in the preparation of gold nanoparticles (AuNPs) has increased in vivo toxicity and thus limited its application in clinical settings. Herein, we propose an alternative method of p...

  • Article
  • Open Access
53 Citations
6,378 Views
9 Pages

Silver Nanoparticles in Orthopedic Applications: New Insights on Their Effects on Osteogenic Cells

  • Sara Castiglioni,
  • Alessandra Cazzaniga,
  • Laura Locatelli and
  • Jeanette A. M. Maier

Infections of orthopedic implants are associated with high morbidity. The emergence of antibiotic resistant strains and the tendency of microbes to form biofilms on orthopedic devices prompt the individuation of novel antimicrobial agents. Silver nan...

  • Article
  • Open Access
64 Citations
11,228 Views
10 Pages

Simple Technique of Exfoliation and Dispersion of Multilayer Graphene from Natural Graphite by Ozone-Assisted Sonication

  • Zaw Lin,
  • Paneer Selvam Karthik,
  • Masaki Hada,
  • Takeshi Nishikawa and
  • Yasuhiko Hayashi

Owing to its unique properties, graphene has attracted tremendous attention in many research fields. There is a great space to develop graphene synthesis techniques by an efficient and environmentally friendly approach. In this paper, we report a fac...

  • Article
  • Open Access
10 Citations
8,384 Views
13 Pages

Electrolytic Manganese Dioxide Coatings on High Aspect Ratio Micro-Pillar Arrays for 3D Thin Film Lithium Ion Batteries

  • Yafa Zargouni,
  • Stella Deheryan,
  • Alex Radisic,
  • Khaled Alouani and
  • Philippe M. Vereecken

In this work, we present the electrochemical deposition of manganese dioxide (MnO2) thin films on carbon-coated TiN/Si micro-pillars. The carbon buffer layer, grown by plasma enhanced chemical vapor deposition (PECVD), is used as a protective coating...

  • Review
  • Open Access
16 Citations
8,466 Views
29 Pages

Trigger-Responsive Gene Transporters for Anticancer Therapy

  • Santhosh Kalash Rajendrakumar,
  • Saji Uthaman,
  • Chong Su Cho and
  • In-Kyu Park

In the current era of gene delivery, trigger-responsive nanoparticles for the delivery of exogenous nucleic acids, such as plasmid DNA (pDNA), mRNA, siRNAs, and miRNAs, to cancer cells have attracted considerable interest. The cationic gene transport...

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Nanomaterials - ISSN 2079-4991