Hierarchical ZnO porous microspheres and their gas-sensing properties
Source abstract
Abstract
Materials with hierarchical and porous architectures often take on novel functional features. Here, we fabricate successfully the Zn4(OH)6CO3·H2O (ZCHH) microspheres which consist of the nanoflakes by using a simple hydrothermal process, and demonstrate that the ZCHH precursor can be transformed utterly to ZnO porous microspheres after calcination. Further comparative studies reveal that both urea and MEA play a critical role in producing such unique porous microspherical architecture. The likely formation mechanism of the porous microspheres is proposed based on the time-dependent experiments. As a consequence of the unique hierarchical and porous architecture, the microspheres show a large specific surface area due to the remarkable amount of petals and pores on them and therefore excellent gas-sensing properties.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Gas Sensing Nanomaterials and Sensors · ZnO doping and properties · Advanced Sensor and Energy Harvesting Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (23)
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