Materials Advancements in the Energy Storage, Green Chemistry and Nanotechnology: Global Sustainable Trait Illustrated in the 3rd Issue, Volume 12 of Advanced Materials Letters, March 2021

The materials characterizations for the energy matters, nanoparticles-based research, and valuable methodology in green chemistry helpful to understand the global sustainable trait according to XVII United Nation’s Sustainable Development Goals (SDGs). Maintaining high eco-friendly grades of advanced materials is one of the ideas defined by the sustainable development strategies for green chemistry, energy research and nanotechnology.

Advanced Materials Letters (AML) is an official journal of International Association of Advanced Materials and publishes research articles free of cost in the field of advanced materials under its diamond open access publishing policy. The third issue of March 2021 of Advanced Materials Letters illustrated energy and nanomaterials perspective for creating new opportunities for the advanced materials professionals.

The objective of March 2021 issue of Advanced Materials Letters is to develop a good understanding of materials activities in the framework of sustainability of UN agenda. The present issue represents 09 outstanding articles describing the materials research for global illustration.

The first article on energy sources and supplies represents alternative technologies. Further, energy related another two articles, sixth and ninth define about latent heat storage and energy redistribution research. The three important articles (second, seventh and eight respectively) publish the nanotechnology perspective of materials, having state of art, doping and semiconductor transition aspects. Another two articles (third and fourth) described the environmental cleaning and green chemistry characteristics based on materials growth. The fifth article described the material structural, optical, and electrical properties in extensive manner. Overall, this issue will represent the eco-friendly way to produce materials and design nanomaterials to revolutionize large scale energy synthesis procedures, with focus on the sustainability of the materials world.

International Association of Advanced Materials, IAAM is engaged in the promotion of not-for-profit Diamond Open Access Publishing Practices with the aim of “Advancement of Materials to Global Excellence”.

About Cover

Development of sustainable energy materials is becoming more and more important to tackle the challenges of energy innovation and technology. It will also act like an appliance for social progress, economic growth, poverty reduction, equity, and environmental sustainability. The cover photo of the March 2021 issue of Advanced Materials Letters is inspired from the 07th point of United Nation’s Sustainable Development Goals, “Ensure access to affordable, reliable, sustainable and modern energy for all” and the agenda of the International Association of Advanced Materials for 2030 decade, "Advancement of Materials to Green and Sustainable World".

Article 1. Perspectives on Published Energy Sources and Smart Energy Supplies

The first article of the issue is published by the Zhihao Li et al, from Ningbo University, China.

This article presents a perspective of the several modern alternative energy generation technologies. Moreover, authors facilitate the case study of the application of an emerging energy blockchain (EBC) technology and the Published Energy Sources (PES). Article covers the methodical analysis related to power generation such as multi-energy complementarity, energy storage, and the smart grid power that has a smart meter and/or control within the EBC system. Article described the EBC technology variables such as renewable energies, cost effectiveness and energy transaction aspects.

Citation of the article: Adv. Mater. Lett., 2021, 12(3), 21031607. [Download Full Text in PDF]

Article 2. State of Art Review on Nanobubbles

The second article described about the delivery of gaseous drugs, which can be facilitated by novel nanotechnology-based solution in drug delivery. The current review has done special emphasis on the history of nanobubble, nomenclature, stability of nanobubble, physico-chemical properties, characterization of nanobubble, method of preparation and applications. The nanobubbles has now been explored for its antibiotic delivery, gene delivery, targeting drug delivery, anticancer drug delivery, improving cellular uptake of chemotherapy drugs into cancer cell lines. Nanobubbles (NBs) opened a new field of ultrasound imaging and used as a diagnostic method. The article explored a novel application like oxygen delivery through nanobubble which is highly beneficial in most of the diseases.

Citation of the article: Adv. Mater. Lett., 2021, 12(3), 21031608. [Download Full Text in PDF]

Article 3. Eggshell Membrane Assisted CdS Nanoparticles for Manganese Removal in Water Treatment 

The third article of this issue is published by Anurag Roy from University of Exeter, UK. This article describes that domestic food waste chicken eggshells can produce naturally abundant protein-based eggshell membranes (ESMs), which is used as a less-explored source of sulphur to synthesize hexagonal CdS nanoparticles (NPs) under 365 nm (UVA) light irradiation. The obtained NPs exhibit an average particle size of ~5 nm as obtained from the transmission electron microscopy study. The degradation results as monitored by UV-Vis spectrophotometry analysis confirms the CdS NPs exhibit excellent catalytic activity towards the reduction of potassium permanganate, toxic MnVII (violet) ion to manganese dioxide as non-toxic MnIV (brownish yellow) ion in aqueous solution (pH 7.0) at room temperature by 50 min. This study encourages the potential use of natural waste materials for wastewater treatment.

Citation of the article: Adv. Mater. Lett., 2021, 12(3), 21031609. [Download Full Text in PDF]

Article 4. Green Chemistry Synthesis of Nano-Hydroxyapatite Using Natural Stabilisers

The fourth article of the issue describes the synthesis and characterization of Nano- Hydroxyapatite (nano-HAP) powders through green chemistry route, using Natural Stabilizers (NS) as precursors. This article is published by Sreedevi Nimishakavi et al, from Vignan's Foundation for Science, Technology & Research and Defence Metallurgical Research Laboratory, India. The synthesized powders possess crystallite and particles of sizes in nano range. The corresponding wave numbers of the nano-HAP powder match with the reported functional groups. Therefore, it can be concluded that, new ways of preparing eco-friendly nano sized HAP powders using natural stabilisers is going to be the most promising move in biomaterials.

Citation of the article: Adv. Mater. Lett., 2021, 12(3), 21031610. [Download Full Text in PDF]

Article 5. Structural, Optical and Electrical Properties of inorganic Samples Synthesized Using Sol-Gel Method

The fifth article reported by the Aditya Kumar et al, from University of Allahabad and Banasthali Vidyapith, India. Single phase samples were synthesized by sol-gel route followed by calcination. The X-ray diffraction pattern of both samples showed monophasic, and their Rietveld refinement studies indicated that the samples belonged to orthorhombic crystal structure under space group Pbnm. Moreover, dopant substitution results in unit cell compression due to lower ionic radii of dopant than host. UV-Vis. spectroscopy study of samples reflected semiconducting samples. The direct optical band gap of doped sample found smaller (4.02 eV) than undoped (4.23 eV), due to formation of Neodymium 3+ ion state below conduction band. Based on these studies, the present material can be used in UV-filter, sensors, and mixed ionic and electronic conductor applications.

Citation of the article: Adv. Mater. Lett., 2021, 12(3), 21031611. [Download Full Text in PDF]

Article 6. Phase Change Materials Reinforced with Aluminium Foam for Latent Heat Storage

In the sixth article, Jaroslav Jerz et al. from Slovak Academy of Sciences and Slovak University of Technology, Slovakia discussed about latent heat storage. The structure of aluminium foam is highly porous consisting of aluminium (or its alloy) filling up the space among gas pores. Although pores formed during foaming of aluminium melt are closed, there are always microscopic cracks in the walls of solid foam, so that the porosity is predominantly open. This preference of aluminium foam allows to fill pores with a Phase Change Materials (PCMs) capable repeatedly to store and release a huge amount of latent heat of phase transition from solid to liquid state and vice versa. Lightweight self-supporting interior ceiling panels impregnated by PCM presented in this contribution, utilize their high mechanical stiffness and their ability to store large amounts of latent heat at a constant temperature.

Citation of the article: Adv. Mater. Lett., 2021, 12(3), 21031612. [Download Full Text in PDF]

Article 7. Influence of Manganese and Copper Doping on Structural and Optical Properties of Chromium Oxide Nanoparticles

The seventh article of the issue investigates the effect of the doping on nanoparticles. This article is published by Jagriti Behl and Raksha Saini from Sri Sai University, India. In this article, Mn and Cu-doped Chromium Oxide nanoparticles were prepared by the co-precipitation method followed by calcination at 400 degree celsius for 3h. SEM images showed the irregular and nearly spherical structure of the Undoped and doped Chromium Oxide nanoparticles respectively. X-ray diffraction study reveals at temperature 400 degree celsius, undoped and Cu-doped Chromium Oxide nanoparticles exist in the crystalline phase and Mn-doped nanoparticles exist in the amorphous phase. Results indicate band gap calculated by Kubelka-Munk method is higher (4.7, 4.5 and 4.32 eV) than Tauc’s method. (4.18, 4.0, 3.96 eV).

Citation of the article: Adv. Mater. Lett., 2021, 12(3), 21031613. [Download Full Text in PDF]

Article 8. Understanding of Intriguing Metal to Semiconductor Transition

In the eighth article, author described the semiconductor transition. Temperature-dependent electrical transport characteristics of un-milled and high-energy ball-milled samples (3 h (70 nm), 6 h (55 nm) and 9 h (45 mm)) of Ni0.5Zn0.5Fe2O4 spinel ferrite were explored. A well-defined metal to semiconductor transition exhibited by all the samples has been construed in view of direct and superexchange cationic interactions and delocalization to localization of charge carriers on increasing temperature. The crystallite size reduction, enhancement in strain and sudden decrease in the formation and octahedral site occupancy of Fe2+ ions on milling found responsible for the prodigious rise (~ 250 times) in normalized resistivity values for the sample comminuted for 9 h. These materials may be found suitable for thermal cutoff switching applications.

Citation of the article: Adv. Mater. Lett., 2021, 12(3), 21031614. [Download Full Text in PDF]

Article 9. Flaw Resistance and Mode - I Fracture Energy Redistribution in Bamboo - A Correlation

The ninth article discuss the, energy redistribution in bamboo. Bamboo is a unidirectional fibre-reinforced composite with radially graded and almost transversely isotropic elastic properties. This article is published by Sayyad Mannan from AISSMS’s College of Engineering, India. To observe the spatial distribution of the fracture toughness in bamboo, energy release rate is theoretically deduced from the general equations for crack-tip stress fields in anisotropic bodies. The analysis shows that the fracture toughness has graded distribution and the trend is opposite to that of axial modulus. From the results of real-time wind load simulations (reported elsewhere) on tapered bamboo-like structure it is concluded that with the help of radially graded fracture toughness bamboo converts flaws of all orientations into splitting mode.

Citation of the article: Adv. Mater. Lett., 2021, 12(3), 21031615. [Download Full Text in PDF]

Advanced Materials Letters (AML), March 2021 issue have exclusive features for advanced materials community covering more tailored aspects of energy scenario, nanotechnology utilization and environmental challenge based on sustainable green chemistry. IAAM invited research professional to share their article in the Advanced Materials Letters (AML). AML publishes articles under not-for-profit, Diamond Open Access (DOA) policy of International Association of Advanced Materials. The peer-review process of submitted articles in the Advanced Materials Letters is done by manuscript central, ScholarOne – Web of Science Group – Clarivate Analytics, USA.

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