A series of luminescent cyclometalated N^C^N [N^C^N = 1,3-bis(N-alkylbenzimidazol-2'-yl)benzene]platinum(II) alkynyl and carbazolyl complexes has been prepared. The structure one platinum(II) complex characterized by X-ray crystallography. corresponding electrochemical photophysical properties have explored analyzed. displayed rich luminescence in degassed dichloromethane solution, with their emission profiles dependent on the coordinated ligands. Their energies are correlated to electronic...

A new class of bipolar alkynylgold(III) complexes containing triphenylamine and benzimidazole moieties has been synthesized, characterized, applied as phosphorescent dopants in the fabrication solution-processable organic light-emitting devices (OLEDs). The incorporation methyl groups central phenyl unit found to rigidify molecule reduce nonradiative decay, yielding a high photoluminescence quantum yield up 75% spin-coated thin films. In addition, realization highly efficient OLEDs with an...

A new class of luminescent dendritic carbazole-containing alkynylplatinum(II) complexes has been synthesized, characterized, and applied as phosphorescent dopants in the fabrication solution-processable organic light-emitting devices (OLEDs). These exhibit high photoluminescence quantum yields up to 80% spin-coated thin films. In addition, incorporation carbazole dendrons into platinum(II) center can significantly suppress intermolecular interactions solid-state films, giving rise emission...

A new class of highly luminescent bipolar alkynylplatinum(II) complexes has been synthesized, characterized, and applied as phosphorescent dopants in the fabrication solution-processable organic light-emitting devices (OLEDs). Through incorporation a delicate balance electron-donating carbazole moieties electron-accepting phenylbenzimidazole or oxadiazole into platinum(II) core, have demonstrated to exhibit charge transport character with high photoluminescence quantum yields up 0.75 thin...

Abstract A new class of cyclometalated tetradentate alkynylgold(III) complexes has been successfully synthesized by post‐synthetic modification. Through the judicious design and choice pincer ligands, cyclization could be achieved to produce robust structurally rigid gold(III) C^N^C^C with high photoluminescence quantum yields up 0.49 in solution 0.78 doped thin films at room temperature, least an order magnitude higher than those related uncyclized tridentate analogues. High‐performance...

A new class of highly luminescent bis(alkynyl)gold(<sc>iii</sc>) N⁁C complexes has been utilized as emissive materials in OLEDs and exhibits mechanochromic behaviors.

Abstract A novel isoquinoline‐containing C^N^C ligand and its phosphorescent triphenylamine‐based alkynylgold(III) dendrimers have been synthesized. These serve as dopants in the fabrication of efficient solution‐processable organic light‐emitting devices (OLEDs). The photophysical, electrochemical, electroluminescence properties were studied. saturated red emission with CIE coordinates (0.64, 0.36) a high EQE value 3.62 % achieved. Unlike other red‐light‐emitting iridium(III) dendrimers,...

A new class of tridentate ligand-containing cyclometalated gold(III) complexes featuring dendritic alkynyl ligands with carbazole moieties as dendrons and peripheral groups has been synthesized up to the third generation. High-performance solution-processable organic light-emitting devices (OLEDs) maximum current efficiency 23.7 cd A–1 external quantum 6.9% have realized by a simple spin-coating technique. With incorporation bulky form higher generation dendrimers, undesirable excimeric...

A new class of fused heterocyclic tridentate ligand-containing alkynylgold(III) complexes with tunable emission color has been successfully designed and synthesized. Structural modification the σ-donating alkynyl ligands, including substituted fluorene, carbazole, triphenylamine, enables a large spectral shift about 110 nm (ca. 3310 cm-1 ) that covers green to red region be realized same in solid-state thin films. Interestingly, energy excimeric can controlled by rational design ligands....

The rational design of a new class photoresponsive tris(8-hydroxyquinolinato)aluminum(III) (Alq3) complexes has been developed. By incorporating the photochromic dithienylethene units with different peripheral heterocycles into Alq3 framework, properties as well photoswitching efficiency can be readily modulated, through effective photocyclization Al(III) complex. Such intrinsic behavior leads to unprecedented enhancement in electron-transporting demonstrated by as-fabricated electron-only...

A series of air-stable spiro-fused ladder-type boron(III) compounds has been designed, synthesized, and the electrochemistry photophysical behavior have characterized. By simply varying substituents on pyridine ring extending π-conjugation spiro framework, emission color these can be easily fine-tuned spanning visible spectrum from blue to red. All exhibit a broad structureless band across entire region, assigned as an intramolecular charge-transfer transition originating thiophene framework...

Abstract A new class of cyclometalated tetradentate alkynylgold(III) complexes has been successfully synthesized by post‐synthetic modification. Through the judicious design and choice pincer ligands, cyclization could be achieved to produce robust structurally rigid gold(III) C^N^C^C with high photoluminescence quantum yields up 0.49 in solution 0.78 doped thin films at room temperature, least an order magnitude higher than those related uncyclized tridentate analogues. High‐performance...

Abstract A new class of fused heterocyclic tridentate ligand‐containing alkynylgold(III) complexes with tunable emission color has been successfully designed and synthesized. Structural modification the σ‐donating alkynyl ligands, including substituted fluorene, carbazole, triphenylamine, enables a large spectral shift about 110 nm (ca. 3310 cm −1 ) that covers green to red region be realized same in solid‐state thin films. Interestingly, energy excimeric can controlled by rational design...