Intelligent Flexible Pressure Sensors with Improved Sensing Range and Sensitivity Based on 3D-Graphene Patterning Induced by UV Laser.

Intelligent flexible sensors are an integral component of the next generation of consumer electronics. However, developing a flexible pressure sensing system that possesses both high sensitivity and a sensing range remains a key challenge in practical applications. Herein, a machine learning-assisted 3D laser-induced graphene (3D-LIG)/polydimethylsiloxane composite flexible pressure sensing system based on ultraviolet (UV) laser integrated fabrication was proposed.

Multifunctional Actuator Based on Graphene/PDMS Composite Materials with Shape Programmable Configuration and High Photothermal Conversion Capability.

Photoresponsive smart actuators based on carbon materials are attracting increasing attention. However, the low content of carbon materials currently limits the development of carbon material actuators. In this work, we designed and prepared a multifunctional bilayer composite actuator with controllable structures and high photothermal conversion efficiency.

First-Principles Investigation of Graphene and FeO Catalytic Activity for Decomposition of Ammonium Perchlorate.

The employment of catalysts is an effective way to improve ammonium perchlorate (AP) decomposition performance during the combustion of composite solid propellants. Understanding the micromechanism of catalysts at the atomic level, which is hard to be observed by experiments, can help attain more excellent decomposition properties of AP. In this study, first-principles simulations based on density functional theory were used to explore the effect of the graphene catalyst and iron oxide (FeO) catalyst on AP decomposition.

Graphene Oxide/FeO Nanocomposite as an Efficient Catalyst for Thermal Decomposition of Ammonium Perchlorate via the Vacuum-Freeze-Drying Method.

The combination of graphene oxide (GO) and iron oxide (FeO) may induce property enforcement and application extension. Herein, GO/FeO nanocomposites were synthesized via the vacuum-freeze-drying method and used for the thermal decomposition of ammonium perchlorate (AP). A series of characterization techniques were applied to elucidate the as-obtained nanomaterial's physicochemical properties.

Site-Selective Atomic Layer Precision Thinning of MoS via Laser-Assisted Anisotropic Chemical Etching.

Various exotic optoelectronic properties of two-dimensional (2D) transition metal dichalcogenides (TMDCs) strongly depend on their number of layers, and typically manifest in ultrathin few-layer or monolayer formats. Thus, precise manipulation of thickness and shape is essential to fully access their potential in optoelectronic applications. Here, we demonstrate site-selective atomic layer precision thinning of exfoliated MoS flake by laser.

The rational designed graphene oxide-FeO composites with low cytotoxicity.

Novel two-dimensional materials with a layered structure are of special interest for a variety of promising applications. In current research, the nanostructured graphene oxide-FeO composite (GO-FeO) was firstly obtained via a carefully elaborated approach of vacuum freeze-drying. The scanning electron microscopy (SEM) and transmission electron microscope (TEM) images revealed that α-FeO nanoparticles loaded well on the surfaces of graphene.