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    Item type:Publication,
    Piezoelectric Energy Harvesting for Low-Power Smart Electronics
    (2023-01-01)
    Sriphan, Saichon
    ;
    Charoonsuk, Thitirat
    ;
    Maluangnont, Tosapol
    ;
    Vittayakorn, Naratip
    In recent years, significant progress regarding energy harvesting has been made, owing to the need to replace conventional energy sources with alternative, green, and sustainable ones. Among them, mechanical energy harvesting is a promising strategy with outstanding characteristics of high conversion efficiency, facile fabrication process, simple structure, flexible selection of materials, and the ability to capture energy independent of season. Nowadays, the piezoelectric mechanism has gained attention from the research community as a prominent mechanical energy harvesting method. Diverse technologies in harvesting and sensing schemes have been innovatively developed alongside explorations of novel piezoelectric materials and the establishment of theoretical foundations. This article comprehensively reviews piezoelectric energy harvesting from the research background to its significance. The operation mechanisms of a piezoelectric nanogenerator (PENG) in various modes, including the theoretical principle of piezoelectricity, are discussed. Three generations of piezoelectric material development are explained, including structural designs of PENG for specific applications. Finally, highlighted applications of PENG in diverse fields such as energy harvesting and sensing, biomedical electronics, and novel intelligent sensing technologies, have been reviewed.
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    Present advancement in production of carbon nanotubes and their derivatives from industrial waste with promising applications
    (2017-01-01)
    Kerdnawee, Konrat
    ;
    Termvidchakorn, Chompoopitch
    ;
    Yaisanga, Pacharaporn
    ;
    Pakchamsai, Jirapat
    ;
    Chookiat, Cheewapon
    An increase in global consumption has led to an exponential increase in industrial production activities which inevitably results in overwhelming remain of industrial waste. Consequently it has driven increasing attentions of research and development teams in various countries to propose and investigate novel methodologies to utilize such industrial waste. Instead of using as alternative energy sources, usage of industrial waste for production of carbonaceous nanomaterials has been examined via various routes, such as catalytic pyrolysis, hydrothermal treatment and so on. Meanwhile, for sustainable and secure continuity of the carbonaceous nanomaterial production, broad spectra of promising applications have also been examined. Among those emerging applications, utilization of carbonaceous nanomaterials in pollution control and prevention has been focused worldwide. Therefore, in this review, relevant research works focusing on catalytic pyrolysis of carbonaceous industrial waste for carbonaceous nanomaterial production were comprehensively analyzed and summarized. In addition, promising applications involving with antibiotic removal, spilled oil handling and pollutant gas detection were also reviewed.