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    A facile detection of ethanol by the Be/Mg/Ca-enhanced fullerenes: Insights from density functional theory
    (Elsevier, 2023) Toiserkani, F.; Mirzaei, M.; Alcan, V.; Harismah, K.; Salem-Bekhit, M. M.
    This work was done due to a need of developing a facile detection platform of ethanol (EtOH) type of alcohol for various reasons from the police uses up to the medical and industrial uses. To this aim, a representative model of fullerene (FULL) was doped by each of the beryllium (Be), magnesium (Mg), and calcium (Ca) alkali-earth atoms to produce MFULL counterparts including BeFULL, MgFULL, and CaFULL to be examined towards the adsorption of EtOH substance. Accordingly, the models were stabilized and their structural features were evaluated in addition to the evaluation of electronic based frontier molecular orbital features. The results showed possibility of formation of EtOH@FULL and EtOH@MFULL complexes by a priority of formation of the doped models, in which the formation of EtOH@BeFULL complex was found at the highest level of suitability regarding the energy terms and integration details. Subsequently, the electronic features indicated measurable variation of molecular orbital levels to approach a point of detection of adsorbed EtOH by the assistance of fullerenes. Meaningful results were found by performing density functional theory (DFT) calculations for showing the stability of EtOH@MFULL complexes besides evaluating measurable electronic features. Accordingly, the idea of developing a facile detection of EtOH by the Be/Mg/Ca-enhanced fullerenes was affirmed.
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    Öğe
    Sensing the formaldehyde pollutant by an enhanced BNC18 fullerene: DFT outlook
    (Elsevier, 2023) Da'i, M.; Mirzaei, M.; Toiserkani, F.; Mohealdeen, S. M.; Yasin, Y.; Salem-Bekhit, M. M.; Akhavan-Sigari, R.
    An enhanced boron nitrogen decorated carbon fullerene with the formula BNC18 (BNC) was investigated for sensing the formaldehyde (FMA) pollutant. Density functional theory (DFT) calculations were performed to optimize the pure C fullerene and the BNC one to prepare a comparative study of facile detection of FMA substance through the formation of FMA@C and FMA@BNC complexes. The details of complexes were re recognized by the additional quantum theory of atoms in molecule (QTAIM) analyses, in which the formations of both of FMA@C and FMA@BNC were confirmed. However, the BN-decoration enhancement provided a better interacting surface for the BNC fullerene towards the FMA substance in comparison with the pure C fullerene. Moreover, the electronic molecular orbitals features indicated a significant sensing function for the BNC model by improving the semiconductivity for recognizing the adsorbed substance. In this regard, the BNC fullerene was found suitable for successfully approaching two terms of recovery time and conductance rate for sensing the FMA pollutant.