A Versatile Synthesis Approach and Interface Characterization of t‑ZnO@Metal Hydroxide/Oxide Heterostructures
Barnika Chakraborty, Tim Tjardts, Berit Zeller-Plumhoff, Ulrich Schürmann, Anton Davydok, Dietmar Christian Florian Wieland, Haoyi Qiu, Alexander Reißmann, Nahomy Meling-Lizarde, Rajat Nagpal, Thomas Strunskus, Leonard Siebert, Rainer Adelung
TL;DR
This paper introduces a new method to create t-ZnO@metal hydroxide/oxide structures and studies their properties for use in sensors and electronics.
Contribution
A versatile wet chemical synthesis method for t-ZnO@metal hydroxide/oxide heterostructures is developed and characterized.
Findings
t-ZnO cores were uniformly coated with metal hydroxides, forming distinct core–shell architectures.
Interface characterization revealed structural and chemical properties of the hybrid microstructures.
t-ZnO structures show potential as templates for synthesizing various metal oxides and hydroxides.
Abstract
Functional ceramics play a key role in technology, particularly in piezoelectric sensors and actuators, ferroelectric power generation, and durable semiconductors used in sensors and memristors. In this study, we report a versatile wet chemical synthesis approach, converting the surface of functional tetrapodal zinc oxide (t-ZnO) to common metal hydroxides. We performed structural, morphological, and interface characterization and explored the subsequent application of various t-ZnO@metal hydroxide/oxide core–shell structures. The t-ZnO core was initially uniformly coated with different metal hydroxides, forming distinct platelets in a core–shell architecture. Interface studies were conducted to investigate the chemical, structural, and morphological properties of these hybrid microstructures using 2D scanning nano X-ray diffraction (XRD), scanning electron microscopy (SEM),…
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Taxonomy
TopicsZnO doping and properties · Advanced Sensor and Energy Harvesting Materials · Magnesium Oxide Properties and Applications