Wasseem AkbarErum Gull NazMasood Ayoub Kaloo
sigma donor and pi acceptor- the sigma bond is formed as in examples before, but there is donation of electronsfrom metal to empty pi-anibonding orbital
Abstract Two donor-π-acceptor (D-π-A) dyes are synthesized for application in dye- sensitized solar cells (DSSC). These D-π-A sensitizers use triphenylamine as donor, oligothiophene as both donor and π-bridge, and benzothiadiazole (BTDA)/cyan
MOLECULAR CRYSTALS AND LIQUID CRYSTALS. vol. 107, no. 1,2, 1984, MONTREUX CH pages 133 - 149; R.M.Metzger et al.: " Crystal and molecular structure and properties of picolyltricyanoquinododimethan,the zwitterionicdonor-pi-acceptor adduct between.. "...
Re: pi-donor,sigma-donor, pi acceptor « Reply #20 on: October 20, 2014, 10:20:32 AM » Quote Because the back donation goes into pi-antibonding orbitals. And for them to exist, you need pi bond. That's not true. the symmetry of an orbital concerning ligand-symmetry has nothin...
【大学】Pi don..如图,图中写的Ligand的成键轨道和金属成键就是pi donor,反键轨道和金属成键就是pi acceptor,然而,怎么去判断ligand中哪种轨道与金属形成配位键呢- -……
A donor-π-acceptor (D-π-A) dyad 1 has been successfully synthesized by linking phenanthrenequinone as an electron donor unit and anthraquinone as an electron acceptor unit through a phenyl ring. Dyad 1 exhibits the intramolecular charge transfer and acts as a key phenomenon for the detection ...
SolvatochromismSolvatochromic linear and non-linear optical propertiesTD-DFTTo study the effect of additional hydroxy-imidazole unit on the solvatochromic linear, and non-linear optical properties, three donor-pi-acceptor NLOphoric triphenylamine-imidazole based compounds were synthesized, and characterized. ...
We used multiple spectroscopies such as photoinduced absorption (PIA), magneto photoinduced absorption, and doping induced absorption for studying native defects in π-conjugated donor–acceptor copolymer chains of benzodithio-phene fluorinated benzotriazole. The PIA spectrum contains characteristic photoinduced...
PROBLEM TO BE SOLVED: To provide a new donor-π-acceptor compound whose molecular design and synthesis are easy, which is easily and strongly adsorbed to a metal oxide, and which is excellent in photoelectric conversion efficiency, a fluorescent dye compound, and a fluorescent dye compound for ...