Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Ahlem GUESMI"'
Autor:
Sandra Walha, Noureddine Mhadhbi, Basem F. Ali, Abdellah Kaiba, Ahlem Guesmi, Wesam Abd El-Fattah, Naoufel Ben Hamadi, Mark M. Turnbull, Ferdinando Costantino, Houcine Naïli
Publikováno v:
Chemical Physics Impact, Vol 8, Iss , Pp 100597- (2024)
The organic-inorganic compound (C5H14N2)[CoCl4]⸳0.5H2O, I, was characterized by various physicochemical techniques. The X-ray diffraction analysis revealed that the compound crystallizes in the centrosymmetric space group C2/c of the monoclinic sys
Externí odkaz:
https://doaj.org/article/4692f8120f824668bc6c887a97433bb4
Autor:
Manel Ben Salah, Lotfi Saadaoui, Taoufik Soltani, Naoufel Ben Hamadi, Ahlem Guesmi, Ulrich Maschke
Publikováno v:
Molecules, Vol 29, Iss 14, p 3422 (2024)
Liquid crystals with high dielectric anisotropy, low operational thresholds, and significant birefringence (Δn) represent a key focus in soft matter research. This work introduces a novel series of hydrogen-bonded liquid crystals (HBLCs) derived fro
Externí odkaz:
https://doaj.org/article/b626733de26b49f5b106f59f8861bbed
Autor:
Imen Sayer, Rawia Msalmi, Edoardo Mosconi, Ahlem Guesmi, Ammar Houas, Naoufel Ben Hamadi, Houcine Naïli
Publikováno v:
Crystals, Vol 14, Iss 5, p 459 (2024)
The present paper deals with a new two-in-one zero-dimensional (0D) organic–inorganic hybrid compound namely (C6H10N2)4[CdBr6][CdBr4]2. This molecular crystal structure contains isolated CdBr4 tetrahedra and CdBr6 octahedra. The optical characteriz
Externí odkaz:
https://doaj.org/article/ecea7bcf4d2b44ee9b5e041b4bf12bd9
Autor:
Thouraya Salah, Noureddine Mhadhbi, Ali Ben Ahmed, Besma Hamdi, Najeh Krayem, Mohamed Loukil, Ahlem Guesmi, Lotfi Khezami, Ammar Houas, Naoufel Ben Hamadi, Houcine Naïli, Ferdinando Costantino
Publikováno v:
Crystals, Vol 13, Iss 5, p 746 (2023)
Single crystals of a new organic–inorganic hybrid compound (C3H7N6)2[ZnCl4]·H2O was synthesized and characterized by X-ray diffraction at room temperature, FT-IR and FT-Raman spectroscopies, optical absorption and photoluminescence behavior. The t
Externí odkaz:
https://doaj.org/article/ad71785c601d4c8cbb00b6fefd5bf7de
Publikováno v:
Crystals, Vol 13, Iss 3, p 425 (2023)
Photovoltaic research activities are related to material innovation that can be obtained at a comparatively low cost. Semiconductor p-type multi-crystalline Czochralskyc (CZ)-grown silicon wafers were used in this study. The effects of front surface
Externí odkaz:
https://doaj.org/article/4e2718df29b04cc380a8ccbb91635590
Autor:
Naoufel Ben Hamadi, Ahlem Guesmi
Publikováno v:
Molecules, Vol 27, Iss 8, p 2470 (2022)
The synthesis of new insecticidal gem-dimethyspiro-cyclopropanes derived from pyrrolidine-2,3-dione have been described, and their biological effect against different insect species has been evaluated. The presented results demonstrate the excellent
Externí odkaz:
https://doaj.org/article/10e5ecb5cbc54d878f44145f94b9a433
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 35, Iss 1, Pp 45-52 (2016)
Cycloaddition of the diazoalkanes to electron-deficient olefins (in situ) affords polysubstituted cyclopropanes in high yields (up to 85%). Deprotection of the ketal protecting group provided water-soluble cyclopropane-bearing carbohydrate in good yi
Externí odkaz:
https://doaj.org/article/3a0b6bbfcd0845ab976b09114f6b6f7f
Autor:
Ahlem Guesmi, Naoufel Ben Hamadi
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 35, Iss 1, Pp 39-44 (2016)
A three-component reaction of O-tosyl carbohydrate derivatives with sodium azide and terminal alkynes can be catalyzed by copper nanoparticles under ambient conditions. A series of 1,4-disubstituted-1,2,3-triazoles were obtained regioselectively by t
Externí odkaz:
https://doaj.org/article/5c7534e6c8444e4587a048183acae9fa
Autor:
Khalid Althumayri, Ahlem Guesmi, Wesam Abd El-Fattah, Lotfi Khezami, Taoufik Soltani, Naoufel Ben Hamadi, Ahmed Shahat
Publikováno v:
ACS Omega. 8:14144-14159
Autor:
Khalid Althumayri, Ahlem Guesmi, Wesam Abd El-Fattah, Ammar Houas, Naoufel Ben Hamadi, Ahmed Shahat
Publikováno v:
ACS Omega. 8:6762-6777