2D violet phosphorene with highly anisotropic mobility and its vdW Heterojunction design for device application

2021 ◽  
Author(s):  
Yuehua Xu ◽  
Qianqian Long ◽  
Dongze Li ◽  
Pengfei Li
Keyword(s):  
Crystal Structure ◽  
Black Phosphorus ◽  
Thermally Stable ◽  
Device Application ◽  
Anisotropic Mobility

Recently, the crystal structure of violet phosphorus and its monolayer violet phosphorene (VP) have been reconfirmed experimentally, which are verified to be better thermally stable than its allotropy black phosphorus....

scholarly journals Role of halogen substituents in a series of polymorphic 2,5-diamino-3,6-dicyanopyrazine derivatives with highly flexible groups

2017 ◽  
Vol 232 (5) ◽  
pp. 395-405 ◽  
Author(s):  
Yoko Akune ◽  
Risa Hirosawa ◽  
Atsushi Koseki ◽  
Shinya Matsumoto
Keyword(s):  
Crystal Structure ◽  
Crystal Structures ◽  
Electrostatic Interactions ◽  
Crystal Structure Analysis ◽  
Stable Form ◽  
Thermally Stable ◽  
Close Packed Structure ◽  
Packed Structure ◽  
Stable Forms ◽  
Metastable Forms

AbstractThe crystal structures of the ortho-X-benzyl derivatives, where X=F, Cl, Br, I, and Me, of 2,5-bis(N,N-dibenzylamino)-3,6-dicyanopyrazine dyes (C34H24N6X4) were analysed to evaluate the effect of a systematic series of structures on the occurrence of polymorphism. Detailed crystal structure analysis indicated that the thermally stable forms of the polymorphic derivatives (Cl and Br derivatives) were close-packed, whereas those of the non-polymorphic derivatives (F and I derivatives) were stabilised by an intermolecular interaction involving the ortho-substituents. In the thermally metastable forms of the polymorphic derivative, halogen-halogen and halogen-nitrogen interactions contributed to the stabilisation of these crystals in the same way as the thermally stable form of the non-polymorphic derivatives. This indicated that the ease of polymorph occurrence would require an appropriate balance between the crystal energy of the close-packed structure and that of the crystal structure generated mainly by the electrostatic interactions involving the halogens in these halogenated pyrazine derivatives. In addition, the similar tendency of the occurrence of polymorphs in these halogenated pyrazine derivatives was found in 19 sets of halogenated compounds having known crystal structures of F, Cl, Br and I derivatives including at least one polymorphic derivative in the crystal structure database.

scholarly journals Crystal Structure of a Thermally Stable Rhodopsin Mutant

2007 ◽  
Vol 372 (5) ◽  
pp. 1179-1188 ◽  
Author(s):  
Jörg Standfuss ◽  
Guifu Xie ◽  
Patricia C. Edwards ◽  
Manfred Burghammer ◽  
Daniel D. Oprian ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Thermally Stable

scholarly journals Black Phosphorus Quantum Dots Induced High‐Quality Perovskite Film for Efficient and Thermally Stable Planar Perovskite Solar Cells

Solar RRL ◽  
2019 ◽  
Vol 3 (8) ◽  
pp. 1900132 ◽  
Author(s):  
Weitao Yang ◽  
Jiehuan Chen ◽  
Xiaomei Lian ◽  
Jun Li ◽  
Fenfa Yao ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Black Phosphorus ◽  
Thermally Stable ◽  
High Quality ◽  
Black Phosphorus Quantum Dots

NOTIZEN: GaTeCl − Eine Tetraederschichtstruktur mit Ga−Te-Verknüpfung vom Typ des schwarzen Phosphors / GaTeCl − a Tetrahedral Layer Structure with Ga-Te Linking of the Black Phosphorus Type

1981 ◽  
Vol 36 (12) ◽  
pp. 1658-1659 ◽  
Author(s):  
Axel Wilms ◽  
Rüdiger Kniep
Keyword(s):  
Crystal Structure ◽  
Layer Structure ◽  
Black Phosphorus ◽  
Two Dimensional ◽  
Cl Atoms ◽  
Tetrahedral Layer

The crystal structure of GaTeCl contains layers consisting of GaTe3Cl tetrahedra which share common Te-vertices with six neighbouring equivalent tetrahedra; Cl-atoms are in terminal positions. The two-dimensional Ga-Te-framework is of an arrangement, which is also present in the structure of black phosphorus.

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