Journal
CATALYSIS SCIENCE & TECHNOLOGY
Volume 11, Issue 2, Pages 392-415Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cy02034f
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The utilization of photon energy via photocatalytic semiconducting materials is a highly interesting topic with significant environmental impacts. Researchers are focused on developing cost-effective and actively efficient photocatalysts to meet the needs of various applications. The exploration and understanding of a wide range of characterization techniques is crucial for materials chemists working on the development of competent photocatalysts.
Harnessing the energy of photons by photocatalytic semiconducting materials is a topic of paramount interest in the present era because of its sustainable eco-friendly impact. The harnessed energy by photocatalyst is intricately employed for a plethora of photocatalytic applications, such as pollutant remediation, energy conversion, organic transformations and many more. Hence, the global research community has focused their interest on the design and development of cost-effective and actively efficient photocatalytic semiconductors crafted to the needs of a desired photocatalytic process. In this regard, the stimulation of a broad range of characterization techniques becomes an imperative necessity to reveal various physico-chemical properties of the semiconductor photocatalyst. This review aims to summarize the sophisticated characterisation techniques that are used to analyse various organic, inorganic and hybrid type photocatalysts by qualitative and quantitative methods. In detail, this review is centred on the techniques utilised to contemplate, as well as correlate the physical structure, topography, chemical state, elemental composition, electrochemical properties and band structures of a wide range of photocatalysts. The discussion of each characterization method consists of a concise fundamental explanation, followed by proper exemplification intended to disseminate to materials chemists, predominantly individuals who are near the beginning of their careers focused on the development of competent photocatalysts.
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