Insoluble Patterns of Cross-Linkable Conjugated Polymers from Blend Demixing in Spin Cast Films Export

@article{citeulike:6007514, abstract = {Insoluble patterns of cross-linkable conjugated polymers, CPs, are obtained from spin coating their blends with polystyrene, PS, following an approach first demonstrated for poly [2-methoxy-5-(2′-ethyl)hexyloxy-2,4-phenylenevinylene] (MEH-PPV) by Castro et al. ( Chem. Mater. 2006, 18, 5504 ). Taking advantage of the CP and PS tendency to phase separate, we make use of CP functionality to be cross-linked, so PS can be removed, leaving behind a solvent-resistant pattern. Columnar, spike, and porous structures can be obtained. Furthermore, we show that these patterns morphologies and dimensions can be controlled by adjusting the experimental conditions and the PS molecular weight. We present strategies to tune cross-linkable CP's films morphologies aiming for applications in organic solar cells and light-emitting devices.}, author = {Charas, Ana and Ferreira, Quirina and Farinhas, Joana and Matos, Manuel and Alcácer, Luís and Morgado, Jorge}, citeulike-article-id = {6007514}, citeulike-linkout-0 = {http://dx.doi.org/10.1021/ma901329n}, citeulike-linkout-1 = {http://pubs.acs.org/doi/abs/10.1021/ma901329n}, day = {27}, doi = {10.1021/ma901329n}, journal = {Macromolecules}, keywords = {organic\_solar\_cells, polystyrene, selective\_solubility}, month = {October}, number = {20}, pages = {7903--7912}, posted-at = {2009-10-25 15:42:12}, priority = {2}, title = {Insoluble Patterns of Cross-Linkable Conjugated Polymers from Blend Demixing in Spin Cast Films}, url = {http://dx.doi.org/10.1021/ma901329n}, volume = {42}, year = {2009} }

TY - JOUR ID - citeulike:6007514 L3 - citeulike-article-id:6007514 N2 - Insoluble patterns of cross-linkable conjugated polymers, CPs, are obtained from spin coating their blends with polystyrene, PS, following an approach first demonstrated for poly [2-methoxy-5-(2′-ethyl)hexyloxy-2,4-phenylenevinylene] (MEH-PPV) by Castro et al. ( Chem. Mater. 2006, 18, 5504 ). Taking advantage of the CP and PS tendency to phase separate, we make use of CP functionality to be cross-linked, so PS can be removed, leaving behind a solvent-resistant pattern. Columnar, spike, and porous structures can be obtained. Furthermore, we show that these patterns morphologies and dimensions can be controlled by adjusting the experimental conditions and the PS molecular weight. We present strategies to tune cross-linkable CP’s films morphologies aiming for applications in organic solar cells and light-emitting devices. IS - 20 JF - Macromolecules EP - 7912 TI - Insoluble Patterns of Cross-Linkable Conjugated Polymers from Blend Demixing in Spin Cast Films VL - 42 SP - 7903 KW - organic_solar_cells KW - polystyrene KW - selective_solubility AU - Charas, Ana AU - Ferreira, Quirina AU - Farinhas, Joana AU - Matos, Manuel AU - Alcácer, Luís AU - Morgado, Jorge PY - 2009/10/27/ UR - http://dx.doi.org/10.1021/ma901329n ER -