Light emitting hybrid semiconductors based on IB-VII binary compounds
An IB-VII, semiconductor technology, applied in the direction of semiconductor devices, copper organic compounds, silver organic compounds, etc., can solve problems such as impact
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Embodiment 11D-C
[0058] Embodiment 1.1D-CuI (pyridine)
[0059] A single crystal of 1D-Cul(py) was grown by adding a solution of CuI (0.190 g; 1 mmol) in saturated potassium iodide solution (2 ml) to a solution of pyridine (0.079 g; 1 mmol) in acetone (2 ml). Acetonitrile (2ml) was used as an intermediate layer between the above two solutions to aid crystal growth. The mixture was left in solution overnight at room temperature to give colorless crystals.
[0060] The crystal structure of 1D-CuI(py) organized in the "ladder" shape of 1DCu 2 I 2 Bring ( image 3 ). All Cu(I) atoms in the ribbon form three bonds to I, and all I atoms bridge to three copper metal centers. Cu 2 I 2 The bands have the same atomic ratios, valence states and coordination types as their rock-salt (α-CuI) parent structures. Each pyridine molecule binds to a copper atom via its N atom to achieve a fourth coordination of Cu(I), resulting in a stable and preferred tetrahedral geometry.
[0061] A comparison betwee...
Embodiment 21
[0062] Embodiment 2.1D-CuI (2,6-dimethylpyrazine)
[0063] To a solution of 2,6-dimethylpyrazine (0.108 g; 1 mmol) in acetone (2 ml) was added a solution of CuI (0.190 g; 1 mmol) in saturated potassium iodide solution (2 ml). Acetonitrile (2ml) was used as an intermediate layer between the above two solutions to aid crystal growth. The mixture was left at room temperature overnight and the resulting yellow crystals were collected after filtration.
[0064] 1D-CuI(2,6-(CH 3 ) 2 -pz) has a crystal structure very similar to 1D-CuI(py), except that the pyridine molecule is replaced by 2,6-dimethylpyrazine. Cu 2 I 2 The Cu-I distance in the band varies from 2.6320(7) to Each 2,6-dimethylpyrazine is bonded to a copper atom via one of the two N atoms, leaving the second nitrogen atom uncoordinated ( Figure 4 ).
[0065] 1D-CuI(2,6-(CH 3 ) 2-pz) The comparison between the experimental and simulated X-ray diffraction patterns confirms the phase purity and high crystallini...
Embodiment 31
[0066] Embodiment 3.1D-CuI (5-bromopyrimidine)
[0067] Single crystals of 1D-CuI(5-Br-pm) were obtained from the solution diffusion method. To a solution of 5-bromopyrimidine (0.159 g; 1 mmol) in acetone (2 ml) was added a solution of CuI (0.190 g; 1 mmol) in saturated potassium iodide solution (2 ml). 2ml of acetonitrile was used as an intermediate layer between the above two solutions to aid crystal growth. The mixture was left at room temperature overnight, and the resulting colorless crystals of 1D-CuI(5-Br-pm) were collected after filtration.
[0068] Single-crystal X-ray structure analysis of 1D-CuI(5-Br-pm) reveals that the structure is derived from one-dimensional Cu 2 I 2 Ladder structure construction. The asymmetric unit contains a crystallographically distinct tetrahedral Cu + cation, a unique I - anion and a 5-bromopyrimidine ligand ( Figure 5 ). In Cu 2 I 2 All Cu(I) atoms in the duplex coordinate threefold to μ 3 -I - , and all μ 3 -I - also bridg...
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