Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Sarah L. Howell"'
Autor:
Deep Jariwala, Vinod K. Sangwan, Mark C. Hersam, Sarah L. Howell, Lincoln J. Lauhon, Kan Sheng Chen, Riccardo Turrisi, Tobin J. Marks, Junmo Kang, Stephen A. Filippone
Publikováno v:
Nano Letters. 16:497-503
The recent emergence of a wide variety of two-dimensional (2D) materials has created new opportunities for device concepts and applications. In particular, the availability of semiconducting transition metal dichalcogenides, in addition to semi-metal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6fd3e046a26e4d783ee1f2948c935a1f
https://doi.org/10.1021/acs.nanolett.5b04141
https://doi.org/10.1021/acs.nanolett.5b04141
Publikováno v:
Chemistry - A European Journal. 14:11573-11583
The ligands 11-cyanodipyrido[3,2-a:2',3'-c]phenazine and 2-(11-dipyrido[3,2-a:2',3'-c]phenazine)-5-phenyl-1,3,4-oxadiazole have been coordinated to Re(I), Cu(I), Ru(II) and Ir(III) metal centres. Single-crystal X-ray analyses were performed on fac-ch
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e7079f3934ebfbcd9a28bc794dd6b09d
https://doi.org/10.1002/chem.200801369
https://doi.org/10.1002/chem.200801369
Autor:
Keith C. Gordon, Sarah L. Howell
Publikováno v:
Journal of Raman Spectroscopy. 39:813-826
Cu(I) complexes of the type [Cu(L)(PPh3)2]+, where L is the bidentate ligand 4,7-diphenyl-1, 10-phenanthroline (dip) and 3,4,7,8-tetramethyl-1,10-phenanthroline (tem) and their perdeuterated analogues, have been synthesised and the transient resonanc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7e1cf0e2ae7364dc55613b54e738244
https://doi.org/10.1002/jrs.1920
https://doi.org/10.1002/jrs.1920
Publikováno v:
Chemistry - A European Journal. 13:4665-4674
The synthesis is described for a series of five molecular dyads comprising pyrene-based terminals covalently linked through a 1,3-disubstituted phenylene spacer. The extent of through-space communication between the pyrene units is modulated by steri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c96d23d18bf5f888bf9d5f07129a945e
https://doi.org/10.1002/chem.200601498
https://doi.org/10.1002/chem.200601498
Autor:
Sarah L, Howell, Deep, Jariwala, Chung-Chiang, Wu, Kan-Sheng, Chen, Vinod K, Sangwan, Junmo, Kang, Tobin J, Marks, Mark C, Hersam, Lincoln J, Lauhon
Publikováno v:
Nano letters. 15(4)
The thickness-dependent band structure of MoS2 implies that discontinuities in energy bands exist at the interface of monolayer (1L) and multilayer (ML) thin films. The characteristics of such heterojunctions are analyzed here using current versus vo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::9ff3abebe79c52957bf73f8face36190
https://pubmed.ncbi.nlm.nih.gov/25807012
https://pubmed.ncbi.nlm.nih.gov/25807012
Autor:
Deep Jariwala, Vinod K. Sangwan, Kan Sheng Chen, Junmo Kang, Sarah L. Howell, Chung Chiang Wu, Mark C. Hersam, Lincoln J. Lauhon, Tobin J. Marks
The thickness-dependent band structure of MoS2 implies that discontinuities in energy bands exist at the interface of monolayer (1L) and multilayer (ML) thin films. The characteristics of such heterojunctions are analyzed here using current versus vo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::478c0809d56139a0758d93427abb9501
Autor:
Sarah L. Howell, Pavel Matousek, Marina K. Kuimova, Keith C. Gordon, Michael W. George, Xue-Zhong Sun, Anthony W. Parker, Michael Towrie
Publikováno v:
Photochemical & Photobiological Sciences. 5:82-87
Mono- and binuclear complexes of (Re(CO)3Cl) with dipyrido[2,3-a:3',2'-c]-6,7-dimethylphenazine (ppbMe2) were synthesised and their photophysical properties probed using picosecond time-resolved infrared spectroscopy (TRIR). Excitation of these compl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30874e138af977c96fd752be7e6448e8
https://doi.org/10.1039/b508335d
https://doi.org/10.1039/b508335d
Publikováno v:
The Journal of Physical Chemistry A. 109:8826-8833
The structural changes that occur when [Cu(pqx)(PPh(3))(2)](+) (pqx is 2-(2'-pyridyl)quinoxaline) undergoes excitation through a metal-to-ligand charge-transfer (MLCT) transition are investigated using resonance Raman excitation profiles coupled with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19af07687edb669a266ebeb1626a02e3
https://doi.org/10.1021/jp052954n
https://doi.org/10.1021/jp052954n
Autor:
Allan G. Blackman, John J. McGarvey, Keith C. Gordon, Sarah L. Howell, Natasha J. Lundin, Penny J. Walsh
Publikováno v:
Inorganic Chemistry. 44:3551-3560
The ligands 11-bromodipyrido[3,2-a:2',3'-c]phenazine and ethyl dipyrido[3,2-a:2',3'-c]phenazine-11-carboxylate have been prepared and coordinated to ruthenium(II), rhenium(I), and copper(I) metal centers. The electronic effects of substitution of dip
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7667372c7ee6d909ab8de7e041c2dea
https://doi.org/10.1021/ic050179k
https://doi.org/10.1021/ic050179k
Autor:
Amar H. Flood, Matthew I. J. Polson, Keith C. Gordon, Allan G. Blackman, Sarah L. Howell, Anthony K. Burrell
Publikováno v:
Polyhedron. 23:1427-1439
An improved method for the synthesis of the polypyridyl ligand [2,3-a:3′,2′-c]dipyridophenazine (ppb) is reported. In addition, the syntheses of the new ppb-based ligands L (L=[2,3-a:3′,2′-c]dipyridophenazine, [2,3-a:3′,2′-c]dipyrido-6,7-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc3fd5c4acda4637059b9da598672203
https://doi.org/10.1016/j.poly.2004.02.012
https://doi.org/10.1016/j.poly.2004.02.012