Synthesis and fine tuning the emission properties of new amphiphilic conjugated polymers

... xxii List of Schemes Scheme 2-1 Synthesis of polymers 201a-c 78 Scheme 3-1 Synthesis of polymers 301 and 302 99 Scheme 3-2 Synthesis of polymer 303 100 Scheme 4-1 Synthesis of polymers 401 and 402 ... Absorption maxima of non-hydroxyl-containing 172 conjugated polymers TG curves of 301-403 178 xi Summary SYNTHESIS AND FINE- TUNING THE EMISSION P...

Ngày tải lên: 16/09/2015, 17:11

... 60 ps and 450 ps, respectively, and from surface states with lifetime of 9–10 ns The contribution of surface states to the PL is considerably reduced after inorganic passivation of the CdSe core ... light of these results we can associate the transitions |1i and |2i to carrier recombination from ± 1U and ± 1L states and the transition |3i to a surface...

Ngày tải lên: 22/06/2014, 18:20

... investigated the relationship of different structural factors of procyanidins, such as the mean degree of polymerization and percentage of galloylation, with their antiproliferative potential and their ... potent antioxidant and chemopreventive agent [21,22] These and other results suggest that the galloylation of catechins and the presence of gallocatechi...

Ngày tải lên: 07/03/2014, 05:20

... extended conformation Remarkably, ibuprofen, a nonsteroidal anti-inflammatory agent [12], and warfarin, an anticoagulant drug [12], are considered as stereotypical ligands for Sudlow’s site II and Sudlow’s ... HSA inhibits ibuprofen and warfarin association to the warfarin primary cleft (i.e Sudlow’s site I), corresponding to the ibuprofen secondary site [1,3,11] Then, i...

Ngày tải lên: 31/03/2014, 23:20

... obvious that besides the size and shape of nanomaterials, the electronic properties can be further Page of 11 adjusted by applying the mechanical deformation Since BNNTs have some material properties ... increase under the larger strain However, the BO of the B-N bond parallel to the axial becomes smaller at larger strains The increase and decrease in the BO...

Ngày tải lên: 21/06/2014, 05:20

... layer porous carbon paper which consists of a macroporous layer of carbon fiber paper (SGL, Germany) and a microporous layer of carbon black powder and a hydrophobic agent The carbon black powder ... enhances an intimate electronic contact between the CNTs and the macroporous carbon paper The graphitized carbon paper was prepared by deposition of a mixture of carbo...

Ngày tải lên: 22/06/2014, 18:20

... consisted of the a-Fe2O3 Fig The I–V characteristics of (a) the ITO /a-Fe2O3 film /a-Fe2O3 NW/ CAFM-tip structure and (b) the ITO /a-Fe2O3 film /CAFM-tip structure Fig The CAFM images of (a) morphology and ... 108 NWs/cm2 123 332 Fig (a) TEM image of an a-Fe2O3 NW, (b) HR-TEM image of the a-Fe2O3 nanowire, and the SAED pattern of the a-Fe2O3 NW (inset) for sample C,...

Ngày tải lên: 20/03/2014, 13:08

... that the emission area in this high field region not changed, and the stability of field emission is high The slopes and intercedes of these plots in the high field region are the same, showing the ... AlQ3 Conclusions In conclusion, the field emission properties for Ag-TCNQ nanostructured array were dependent on the structure and morphology determined by th...

Ngày tải lên: 21/06/2014, 17:20

... consisted of the a-Fe2O3 Fig The I–V characteristics of (a) the ITO /a-Fe2O3 film /a-Fe2O3 NW/ CAFM-tip structure and (b) the ITO /a-Fe2O3 film /CAFM-tip structure Fig The CAFM images of (a) morphology and ... 108 NWs/cm2 123 332 Fig (a) TEM image of an a-Fe2O3 NW, (b) HR-TEM image of the a-Fe2O3 nanowire, and the SAED pattern of the a-Fe2O3 NW (inset) for sample C,...

Ngày tải lên: 22/06/2014, 01:20

... field electron emission is one of the most important and promising applications of nanoscale tubes or wires with sharp tip arrays For field electron emission devices, the desired tip diameter of ... diameter of 40 nm The phonon quantum confinement effects of the SiNW arrays were confirmed through the downshifting, broadening and asymmetry of the first-order Raman peak...

Ngày tải lên: 16/03/2014, 15:19

... of phosphorylation rate seen at the concentration x of H4biopterin vo is the rate in the absence of H4biopterin and vmin is the rate at very high concentrations of H4biopterin The observed Hill ... H4biopterin, the oxidized cofactor H2biopterin and the catecholamine inhibitor dopamine From Fig 3A it is seen that on preincubation with saturating concentratio...

Ngày tải lên: 17/03/2014, 09:20

... signal The intensity of this signal strongly varied from preparation to preparation A decrease in specific activity was always accompanied by an increase in signal intensity, suggesting that the ... characterization of the Fe-only nitrogenase isolated from R capsulatus, which included a detailed comparison with the Mo- containing nitrogenase from the same or...

Ngày tải lên: 18/03/2014, 01:20

... linkage on the severe restriction of the space available for the passage of nascent proteins through the tunnel by the swung conformation of L22; on the conservation of the L22 double-hook; and on the ... functional relevance Analysis of the properties of this region illuminated a unified mechanism for the formation of the peptide bond, the...

Ngày tải lên: 23/03/2014, 17:22

... invariance across the self- report and the parent- report versions Both versions displayed convergent and discriminant validity and known-groups validity Neither the parent- report version nor the self- report ... compare the internal consistency of item responses, factorial validity and invariance and the convergent and known-groups validity of the chi...

Ngày tải lên: 18/06/2014, 19:20