The current trend for smart, self-sustainable, and multifunctional technology demands the development of energy harvesters based on widely available environmentally friendly materials. In this context, ZnSnO

The degradation of organic pollutants in wastewaters assisted by oxide semiconductor nanostructures has been the focus many research groups over last decades, along with synthesis these nanomaterials simple, eco-friendly, fast, and cost-effective processes. In this work, porous zinc (ZnO) were successfully synthesized via a microwave hydrothermal process. A layered hydroxide carbonate (LZHC) precursor was obtained after 15 min submitted to different calcination temperatures convert it into...

The impact of a parylene top-coating layer on the illumination and bias stress instabilities indium-gallium-zinc oxide thin-film transistors (TFTs) is presented discussed. coating substantially reduces threshold voltage shift caused by continuous application gate light exposure. operational stability improves 75%, induced instability reduced 35%. quantified fitting with stretched exponential model. Storage time as long 7 months does not cause any measurable degradation electrical...

Poly(p-xylylene) derivatives, widely known as Parylenes, have been considerably adopted by the scientific community for several applications, ranging from simple passive coatings to active device components. Here, we explore thermal, structural, and electrical properties of Parylene C, further present a variety electronic devices featuring this polymer: transistors, capacitors, digital microfluidic (DMF) devices. We evaluate transistors produced with C dielectric, substrate, encapsulation...

Water pollutants are currently a major concern, demanding for simple processes water treatment, photocatalysis being one of the most efficient and promising processes. Metal oxide materials widely studied this application, due to their wide band gaps, with nanostructures particularly interesting because high surface-to-volume ratio. In context, zinc-tin (ZTO) quite appealing owing multiplicity structures morphologies possible achieve low-cost solution-based synthesis lack critical elements...

The development of flexible electronics has increased the demand for wearable pressure sensors that can be used to monitor various biomedical signals. In this context, based on zinc oxide (ZnO) have great potential since, besides biocompatibility and biodegradability metal oxide, it also piezoelectric properties. common feature these is alignment ZnO nanostructures in strain direction. This achieved through a three-stage procedure: deposition nanoparticle layer (seed layer) followed by its...

Abstract This study investigates the impact of particle size distribution (PSD) in Scalmalloy® powder feedstocks on geometrical accuracy, microstructure, defect formation, and mechanical properties test artifacts fabricated via Laser-Based Powder Bed Fusion Metals (PBF-LB/M). Two were analyzed: Powder-1, with a mean 29.30–29.72 μm narrower, more uniform PSD, Powder-2, 40.80–41.53 broader, heterogeneous PSD. Powder-2 produced improved accuracy surface finish but exhibited cracking both...

This paper presents a study concerning the role of channel length scaling on IGZO TFT technology benchmark parameters, which are fabricated at temperatures not exceeding 180 °C. The parameters under investigation unity current-gain cutoff frequency, intrinsic voltage-gain, and on-resistance bottom-gate TFTs. As varies from 160 to 3 μm, measured frequency increases 163 kHz 111.5 MHz, is superior value compared other competing low-temperature thin-film technologies, such as organic On hand,...

Semiconductor nanowires are mostly processed by complex, expensive, and high temperature methods. In this work, with the intent of developing zinc tin oxide (ZTO NWs) low-cost low-complexity processes, we show a detailed study on influence chemical parameters in hydrothermal synthesis ZTO nanostructures at temperatures only 200 °C. Two different precursors, ratio between concentration surfactant agent mineralizer were studied. The type crystallinity found to be highly dependent used...

This paper focuses on the analysis of InGaZnO thin-film transistors (TFTs) and circuits under influence different temperatures bias stress, shedding light into their robustness when used in real-world applications. For temperature-dependent measurements, a temperature range 15 to 85 °C was considered. In case both gate drain were applied for 60 min. Though isolated show variation current as high 56% 172% during voltage employed able counteract it. Inverters two-TFT mirrors following simple...

ZnSnO3 semiconductor nanostructures have several applications as photocatalysis, gas sensors, and energy harvesting. However, due to its multicomponent nature, the synthesis is far more complex than binary counter parts. The complexity increases even when aiming for low-cost low-temperature processes in hydrothermal methods. Knowing detail influence of all parameters involved these imperative, order properly control achieve desired final product. Thus, this paper presents a study physical...

This paper reports on-chip rail-to-rail timing signals generation thin-film circuits for the first time. These circuits, based on a-IGZO transistors (TFTs) with a simple staggered bottom gate structure, allow row and column selection of sensor matrix embedded in flexible radiation sensing system. They include clock generator (ring oscillator), selector (shift register) row-selector (a frequency divider shift register). are realised logic gates level-shifting ability that can perform...

The growing use of wearable devices has been stimulating research efforts in the development energy harvesters as more portable and practical sources alternatives. field piezoelectric nanogenerators (PENGs) triboelectric (TENGs), especially employing zinc oxide (ZnO) nanowires (NWs), greatly flourished recent years. Despite its modest coefficient, ZnO is very attractive due to sustainable raw materials facility obtain distinct morphologies, which increases multifunctionality. integration...

A novel immobilized Ca0.6Ho0.4MnO3 photocatalyst has been developed with high photocatalytic activity for Rhodamine 6G (Rh6G) photodegradation under visible light irradiation. The nanocrystalline films were successfully deposited by RF-magnetron sputtering on unheated quartz glass substrates using powder as target and its functionalities have explored. visible-light-responsive of was evaluated the Rh6G aqueous solutions reusability fresh dye samples studied, showing an efficient reuse,...

Co-sputtering of SiO2 and high-κ Ta2O5 was used to make multicomponent gate dielectric stacks for In-Ga-Zn-O thin-film transistors (IGZO TFTs) under an overall low thermal budget (T = 150 °C). Characterization the layers TFTs working characteristics (employing them) performed in terms static performance, reliability, stability understand role incorporation material stack. It is shown that inherent disadvantages material, such as poorer interface properties poor insulation, can be...

The contamination of water resources by pollutants resulting from human activities represents a major concern nowadays. One promising alternative to solve this problem is the photocatalytic process, which has demonstrated very and efficient results. Oxide nanostructures are interesting alternatives for these applications since they present wide band gaps high surface areas. Among oxide nanostructures, zinc tin (ZTO) presents itself as an eco-friendly its composition includes abundant...

In this article, characterization of fully patterned zinc-tin oxide (ZTO)-based memristive devices with feature sizes as small 25 µm2 is presented. The are via lift-off a platinum bottom contact and gold-titanium top contact. An on/off ratio more than two orders magnitude obtained without the need for electroforming processes. Set operation current controlled process, whereas reset voltage dependent. temperature dependency electrical characteristics reveals bulk-dominated conduction...

Zinc-tin oxide (ZTO) nanostructures appear as one of the most promising material systems for a new generation nanodevices. In this work, microwave-assisted hydrothermal synthesis to produce different shapes Zn2SnO4 (nanoparticles, octahedrons and nanoplates) is presented. Reproducible homogeneous results were obtained with advantage reducing up 20 h time when compared using conventional oven. Furthermore, photocatalytic activity in degradation rhodamine B under UV light was studied....