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year 28, Issue 2 (ICOP & ICPET 2022 2022)
ICOP & ICPET _ INPC _ ICOFS 2022, 28(2): 723-726 |
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Gordi Armaki M, Moravvej-Farshi M K. The Effect of Quantum Confinement on MEG Threshold in Ga8X8 (X=P, As, Sb) Nanoclusters. ICOP & ICPET _ INPC _ ICOFS 2022; 28 (2) :723-726
URL: http://opsi.ir/article-1-2577-en.html
URL: http://opsi.ir/article-1-2577-en.html
Abstract: (466 Views)
In this work, we investigated the effect of quantum confinement on the threshold of the multiple exciton generation (MEG) in three Ga8X8 composite nanoclusters (X = P, As, Sb). The study of this effect was studied using the EOM-CCSD many-body method and the definition of the concepts of "MEG quantum probability" and "degree of quantum confinement, λ". The results show that as element X becomes heavier, the degree of quantum confinement in the structure increases, which reduces the HOMO-LUMO (EHL) gap and the threshold for MEG (ETH) in the nanocluster. Our simulations show that as the atom of the nanocluster becomes heavier, the decrease in EHL and ETH is almost linear, despite the nonlinear increase in the degree of quantum confinement.
Type of Study: Experimental |
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