Progress and Perspectives of Photodetectors Based on 2D Materials

Wenkai Zhu; Faguang Yan; Quanshan Lv; Ce Hu; Kaiyou Wang

Volume 12, Issue 4 , April 2021, Pages 1-3

http://dx.doi.org/10.5185/amlett.2021.041616

Abstract
  Photodetectors based on two-dimensional (2D) materials and their heterostructures have been attracting immense research interests due to their excellent device performances, such as ultrahigh photoresponsivity, ultrafast and broadband photodetection, polarized sensitivity, flexibility, and Complementary ...  Read More

Synthesis and Characterization of Platinum and Platinum based Alloy Nanoparticles Anchored on Various Carbon Materials for Methanol Oxidation in a DMFC – A Short Review

Richa Baronia; Jyoti Goel; Sunil K. Singhal

Volume 12, Issue 4 , April 2021, Pages 1-22

http://dx.doi.org/10.5185/amlett.2021.041617

Abstract
  In the fabrication of direct methanol fuel cells (DMFCs) having high performance the essential conditions are (i) the design and construction of a suitable anode electrocatalyst comprising of Pt or a Pt based alloy nanoparticles methanol oxidation reaction (MOR) efficiently and effectively (ii) nature ...  Read More

Influence of Processing Induced Morphology on the Performance of PP Injected Intricate Pieces Modified with MWCNT as a Painting Aide

Alejandra Costantino; Leandro Ramajo; Julio Viana; Caren Rosales; Antonio Pontes; Valeria Pettarin

Volume 12, Issue 4 , April 2021, Pages 1-10

http://dx.doi.org/10.5185/amlett.2021.041618

Abstract
  Carbon nanotubes are currently added to polymers to avoid extra-stages in the electrostatic painting process. However, the attained particle network after processing a final part could affect the mechanical properties and thermal stability of nanocomposites. It is then important to evaluate not only ...  Read More

Inhibitive Effect on the Rate of Hydrolysis of Tetracaine by the Surfactant-Coated Magnetic Nanoparticles (Fe3O4)

Mohd Shaban Ansari; Kashif Raees; M. Z. A. Rafiquee

Volume 12, Issue 4 , April 2021, Pages 1-7

http://dx.doi.org/10.5185/amlett.2021.041619

Abstract
  The influence of the magnetic nanoparticles Fe3O4 and surfactant coated nanoparticles on the rate of alkaline hydrolysis of tetracaine were investigated spectrophotometrically. The Fe3O4 nanoparticles were synthesized by co-precipitation method. These synthesized nanoparticles were characterized by physical ...  Read More

Multi-Energy System Based on Ocean Thermal Energy Conversion

Zhihao Li; Jiapeng Su; Hui Yu; Anjun J. Jin; Jin Wang

Volume 12, Issue 4 , April 2021, Pages 1-7

http://dx.doi.org/10.5185/amlett.2021.041620

Abstract
  The ocean thermal energy is abundant. The global total is about 40 billion kW. The ocean thermal energy conversion (OTEC) is clean and renewable, the power generation is stable, and the energy storage has high capacity. Active exploitation of ocean thermal energy resources is of great significance to ...  Read More

Synthesis of Nitrogen-doped KTaTeO6 with Enhanced Visible Light Photocatalytic Degradation of Methylene Blue

Mannepalli Sudheera; Perala Venkataswamy; Gundeboina Ravi; Kadari Ramaswamy; Nalluri Chitti Babu; Muga Vithal

Volume 12, Issue 4 , April 2021, Pages 1-10

http://dx.doi.org/10.5185/amlett.2021.041621

Abstract
  Anion doping is one of the efficient ways to tailor the bandgap of photocatalysts for the treatment of polluted water. The present work describes the improved photocatalytic activity of defect pyrochlore, KTaTeO6 (KTTO), upon nitrogen doping, towards the degradation of methylene blue under visible light ...  Read More

Structural Evolution and Enhanced Energy Density, Ferroelectric Property Investigation in Gd Substituted NBT – BT Lead Free Ferroelectric Ceramics

K.S.K.R. Chandra Sekhar; M.L.V. Mahesh; Y. Rama Krishna; K. Chandra Mouli; R. Ramchandra Kiran; Patri Tirupathi

Volume 12, Issue 4 , April 2021, Pages 1-6

http://dx.doi.org/10.5185/amlett.2021.041622

Abstract
  Gd substituted 0.94(Na0.5Bi0.5-xGdxTiO3) – 0.06 BaTiO3 (x = 0.00, 0.01, 0.02 and 0.03) lead free ferroelectric ceramics were synthesized by a conventional solid-state synthesis. Room temperature XRD reveals the formation of perovskite structure without secondary impurity peaks. Rietveld refinement ...  Read More

Designing of 10 Wt. % Graphite Particulate Hot Forged AA7075 Composites and its Loss Factor Analysis

N.B. Dhokey; A.G. Jadhav; S.S. Nimbalkar; V. Nimbalkar

Volume 12, Issue 4 , April 2021, Pages 1-7

http://dx.doi.org/10.5185/amlett.2021.041623

Abstract
  The composite material is an emerging opportunity for improving the loss factor. In the present context, AA7075 was fabricated in induction furnace using elemental addition such as Zn, Mg and Cu and ex-situ reinforcement of 10wt. % graphite particulates with three types of composites viz 3 to 10 μm ...  Read More

Positron Annihilation Spectroscopy of Basaltic Rocks from Plio-Qaternary Volcanics, Sana’a-Amran Volcanic Field, Yemen

K. R. Mahmoud; Mohamed Th. S. Heikal

Volume 12, Issue 4 , April 2021, Pages 1-5

http://dx.doi.org/10.5185/amlett.2021.041624

Abstract
  We focus a new application of positron annihilation lifetime spectroscopy and Doppler broadening techniques at the annihilation sites have been applied on some basaltic rocks from inactive volcano related to Sana’a-Amrana volcanic Field (SAVF). A brief geologic set up and the main petrographic ...  Read More