2D MnTe/rGO Hybrid Structure for Moisture Energy Harvesting.

The development and widespread use of wind, solar, geothermal, and other renewable energy sources have increased the supply of clean, green electricity while reducing environmental strain. Extracting renewable energy from continuously available humid air is a potential pathway for a sustainable future. Here, we explore the use of two-dimensional (2D) manganese telluride (MnTe) hybrid structures with reduced graphene oxide (rGO), for absorbing moisture and atmospheric humidity.

Strain and Charge Doping Modulated Optical Emission Signatures of Polycrystalline WSe.

Two-dimensional (2D) semiconductors with direct bandgap in the visible and near-IR spectral range, such as transition metal dichalcogenide (TMD) films, are promising candidates for optoelectronic devices and in light harvesting applications. Large area growth of 2D TMDs through techniques such as chemical vapor deposition (CVD), while offering industrial scalability, suffers major drawbacks due to polycrystalline nature of the grown films. Here, the optical emission signatures of polycrystalline WSe monolayers grown on sapphire substrates using CVD are investigated to identify the intrinsic and extrinsic factors contributing to the photoluminescence (PL) in these films.

Defect Engineered Few Layered MoS for Human-Machine Interface.

Ultrasensitive flexible devices have huge applications in many areas, like healthcare monitoring, human-machine interaction, and wearable technology. However, improving the sensitivity of these devices is still challenging. In the current study, a flexible non-contact sensing system is designed with a human-machine interface using defect-engineered, few-layered Molybdenum disulfide (MoS).

Valley-Polarized Topological Phases with In-Plane Magnetization.

The coexistence of valley polarization and topology has considerably facilitated the applications of 2D materials toward valleytronics device technology. However, isolated and distinct valleys are required to observe the valley-related quantum phenomenon. Herein, we report a new mechanism to generate in-plane magnetization direction-dependent isolated valley carriers by preserving or breaking the mirror symmetry in a 2D system.

Comparison of Four Severity Assessment Scoring Systems in Critically Ill Patients for Predicting Patient Outcomes: A Prospective Observational Study From a Single Tertiary Center in Central India.

Background and aim A variety of scoring systems are employed in intensive care units (ICUs) with the objective of predicting patient morbidity and mortality. The present study aimed to compare four different severity assessment scoring systems, namely, Acute Physiology and Chronic Health Evaluation II (APACHE II), Rapid Emergency Medicine Score (REMS), Sequential Organ Failure Assessment (SOFA), and Simplified Acute Physiologic Score II (SAPS II) to predict prognosis of all patients admitted to a mixed medical ICU of a tertiary care teaching hospital in central India. Methods The prospective observational study included 1136 patients aged 18 years or more, admitted to the mixed medical ICU.

Probing Interlayer Interactions and Commensurate-Incommensurate Transition in Twisted Bilayer Graphene through Raman Spectroscopy.

Twisted 2D layered materials have garnered much attention recently as a class of 2D materials whose interlayer interactions and electronic properties are dictated by the relative rotation/twist angle between the adjacent layers. In this work, we explore a prototype of such a twisted 2D system, artificially stacked twisted bilayer graphene (TBLG), where we probe, using Raman spectroscopy, the changes in the interlayer interactions and electron-phonon scattering pathways as the twist angle is varied from 0° to 30°. The long-range Moiré potential of the superlattice gives rise to additional intravalley and intervalley scattering of the electrons in TBLG, which has been investigated through their Raman signatures.