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Special Issue "Green and Eco-Friendly Nanotechnology"

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Nanomaterials".

Deadline for manuscript submissions: 30 November 2019

Special Issue Editors

Guest Editor
Prof. Dr. Andrea P. Reverberi

DCCI—Department of Chemistry and Industrial Chemistry, Faculty of Sciences, University of Genova, Via Dodecaneso 31, 16146 Genova, Italy
Website | E-Mail
Interests: nanotechnology and nanoparticles chemical synthesis (bottom-up processes, top-down processes), solids disaggregation and etching (chemical etching, templated etching, and mask etching), lithography (stencil lithography, nanolithography), nano-manufacturing (patterning, nanomachining), modelling of heat and mass transfer in condensed matter
Guest Editor
Dr. Marco Salerno

MCF—Materials Characterization Facility, Italian Institute of Technology, Via Morego 30, 16163 Genova, Italy
Website | E-Mail
Interests: scanning probe microscopy, nanocomposites, nanoporous oxides of valve metals, applications of anodic porous alumina, SERS, biocompatibility of materials, nanoindentation, dental restorative materials and implants

Special Issue Information

Dear Colleagues,

The huge development of nanotechnologies has opened new issues concerning the effects of nanostructured elements or compounds on organisms and the environment. This scenario is complicated by the limited amount of detailed literature data on toxicology, bio-accumulation, and the mutagenic effects of the aforementioned materials on living species. Additionally, the synthesis of nanomaterials by chemical processes requires the use of noxious reactants that, in turn, impose compliance with stringent criteria of safety control and health safeguarding. For these reasons, the recent synthesis techniques aim to find new chemico-physical process schemes relying upon simpler, ecological, and energy-saving unit operations based on green compounds.

This Special Issue has the goal of collecting new results related to sustainable, eco-friendly, and safer products capable of minimizing the environmental impact of the global manufacturing chain regarding nanomaterials. This deals with both innovative nanomaterials, for which the fabrication techniques are more eco-friendly than for those investigated so far, as well as with innovative technological approaches to already established nanomaterials. All researchers interested in this broad area are warmly invited to present full papers, communications, and reviews.

The relevant topics include but are not limited to those listed under the Keywords listed below.

Prof. Dr. Andrea P. Reverberi
Dr. Marco Salerno
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Green nanotechnology
  • Green nanosynthesis
  • Bionanotechnology
  • Phyto nanotechnology
  • Eco-friendly processes
  • Cleaner production
  • Sustainability
  • Self-assembly and self-organization
  • Natural lithography
  • Biodegradable or aqueous-solvent-based resistance
  • Material consumption reduction
  • Bioplastics
  • Inherent safety
  • Occupation hazard

Published Papers (2 papers)

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Research

Open AccessArticle High Performance Bacteria Anchored by Nanoclay to Boost Straw Degradation
Materials 2019, 12(7), 1148; https://doi.org/10.3390/ma12071148
Received: 14 March 2019 / Revised: 4 April 2019 / Accepted: 5 April 2019 / Published: 9 April 2019
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Abstract
Generally, crop straw degrades slowly in soil, which is unfavorable for tillage and next crop growth. Thus, it is important to develop a promising technology to boost degradation of straw. Herein, a nanobiosystem has been developed by loading bacterial mixture in nanostructured attapulgite [...] Read more.
Generally, crop straw degrades slowly in soil, which is unfavorable for tillage and next crop growth. Thus, it is important to develop a promising technology to boost degradation of straw. Herein, a nanobiosystem has been developed by loading bacterial mixture in nanostructured attapulgite (ATP) and using it as a straw returning agent (SRA). Therein, ATP could effectively anchor bacteria to the surface of straw and greatly facilitate the adhesion and growth of bacteria. Consequently, this technology could effectively accelerate the degradation and transformation of straw into nutrients, including nitrogen (N), phosphorus (P), potassium (K), and organic matters (OM). Pot and field tests indicated that SRA displayed significant positive effects on the growth of the next crop. Importantly, SRA could effectively decrease greenhouse gas emissions from farmland, which is beneficial for the environment. Therefore, this work provides a facile and promising method to facilitate the degradation of straw, which might have a potential application value. Full article
(This article belongs to the Special Issue Green and Eco-Friendly Nanotechnology)
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Open AccessArticle Light-Emitting Porphyrin Derivative Obtained from a Subproduct of the Cashew Nut Shell Liquid: A Promising Material for OLED Applications
Materials 2019, 12(7), 1063; https://doi.org/10.3390/ma12071063
Received: 26 February 2019 / Revised: 19 March 2019 / Accepted: 26 March 2019 / Published: 1 April 2019
PDF Full-text (3694 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
In this work, the meso-tetra[4-(2-(3-n-pentadecylphenoxy)ethoxy]phenylporphyrin (H2P), obtained from the cashew nut shell liquid (CNSL), and its zinc (ZnP) and copper (CuP) metallic complexes, were applied as emitting layers in organic light emitting diodes (OLEDs). These compounds were characterized via optical [...] Read more.
In this work, the meso-tetra[4-(2-(3-n-pentadecylphenoxy)ethoxy]phenylporphyrin (H2P), obtained from the cashew nut shell liquid (CNSL), and its zinc (ZnP) and copper (CuP) metallic complexes, were applied as emitting layers in organic light emitting diodes (OLEDs). These compounds were characterized via optical and electrochemical analysis and the electroluminescent properties of the device have been studied. We performed a cyclic voltammetry analysis to determine the Highest Occupied Molecular Orbital (HOMO) and Lowest Unoccupied Molecular Orbital (LUMO) energy levels for the porphyrins, in order to select the proper materials to assemble the device. H2P and ZnP presented fluorescence emission band in the red region, from 601 nm to 718 nm. Moreover, we verified that the introduction of bulky substituents hinders the π–π stacking, favoring the emission in the film. In addition, the strongest emitter, ZnP, presented a threshold voltage of 4 V and the maximum irradiance of 10 μW cm−2 with a current density (J) of 15 mA cm−2 at 10 V. The CuP complex showed to be a favorable material for the design of OLEDs in the infrared. These results suggest that the porphyrins derived from a renewable source, such as CNSL, is a promising material to be used in organic optoelectronic devices such as OLEDs. Full article
(This article belongs to the Special Issue Green and Eco-Friendly Nanotechnology)
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