Solar-light responsive efficient H2 evolution using a novel ternary hierarchical SrTiO3/CdS/carbon nanospheres photocatalytic system
Source abstract
Abstract
Carbon nanospheres (CNS) have tremendous potential in photocatalysis due to their unique opto-electronic properties that facilitated effective electron transfer and high visible-light harvesting nature. The present work deals with the design and synthesis of novel ternary hierarchical SrTiO3/CdS/carbon nanospheres photocatalytic system and evaluated its photocatalytic performance for H2 production under sunlight illumination. The ternary photocatalytic system formation is explained using surface imaging (FE-SEM and TEM) and surface chemical analysis (XPS). At optimized conditions, the ternary SrTiO3/CdS/carbon nanospheres’ photocatalytic system has exhibited excellent H2 production of 3085 μmol h−1 gcat−1 when compared to single and binary photocatalytic systems. The incorporation of carbon nanospheres takes part as an electron nabber and carrier to improve the electron transfer of the SrTiO3/CdS photocatalytic system in the hierarchical ternary photocatalytic system. The high H2 production of the ternary SrTiO3/CdS/carbon nanospheres’ photocatalytic system is demonstrated by photocurrent and lifetime PL studies. Furthermore, a suitable mechanism is also proposed.
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OpenAlex topics: Advanced Photocatalysis Techniques · Copper-based nanomaterials and applications · Gas Sensing Nanomaterials and Sensors
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References (61)
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