[1] Roman L S, Andersson M R. Photodiode performance and nanostructure of polythiophene/C60blends[J]. Advanced Materials, 1997, 15(9): 1 16421 168.

[2] Xu B, Holkcroft S. Molecular control of lunminescence from poly(32hexylthiophenes)[J]. Macromolecules, 1993, 25: 4 45724 460.

[3] Bolognesi A, Schieroni A G, Botta C, et al. High photoluminescence efficiency in substituted polythiophene aggregates [J]. Synthetic Metals, 2003, 139: 3032310.

[4] Della2Casa C, Fraleoni A, Costa2Bizzarri P, et al. New 32alkylthiophene copolymers functionalized with a NLO chromophore[J]. Synthetic Metals, 2001, 124: 4672476.

[5] Rughooputh S D D V, Hotta S, Heeger A J, et al. Chromism of soluble polythienylenes[J]. J. Polymer Science: Part B: Polymer Physics, 1987, 25: 1 07121 078.

[6] Moreira C R C B, Machado D S, Souto2Maior R M, et al. Solvatochromism on regiochemically substituted poly (hexylthiophenes)[J]. Synthetic Metals, 1997, 84: 8112812.

[7] Bertinelli F, Costa2Bizzarri P, Della2Casa C, et al. Solvent and temperature effects on the chromic behaviour of poly[32(102hydroxydecyl)22, 52thienylene] [J]. Synthetic Metals, 2001, 122: 2672273.

[8] Leclerc M, Dufresne G, Blondin P, et al. Molecular design of chromic functionalized conjugated polymers[J]. Synthetic Metals, 2001, 119: 45248.

[9] Yamamoto T, Komarudin D, Aral M, et al. Extensive studies onπ2stacking of poly(32alkylthiophene22,52diyl)s and poly ( 42alkylthiazole22, 52diyl) s by optical spectroscopy, NMR analysis, light scattering analysis, and X2ray crystallography[J]. J. Am. Chem.Soc. 1998, 120: 2 04722 058.

[10] Langeveld2Voss B M W, Beijonne D, Shuai Z G, et al. Investigation of excition2coupling in oligothiophenes by circular dichroism spectroscopy[J]. Advanced Materials, 1998, 16(10): 1 34321 347.

[11] Langeveld2Voss B M W, Janssen R A J, Christinans M P T, et al. Circular dichroism and circular polarization of photoluminescence of highly ordered poly(3,42di[(S)22methylbutoxy]thiophene)[J]. J.Am.Chem.Soc., 1996, 118: 4 90824 909.

[12] Langeveld2Voss B M W, Christinans M P T, Janssen R A J, et al. Inversion of optical activity of chiral polythiophene aggregates by a change of solvent[J]. Macromolecules, 1998, 31: 6 70226 704.

[13] Rumbles G, Samuel I D W, Magnani L, et al. Chromism and luminescence in regioregular poly(32dodecylthiophene) [J]. Synthetic Metals, 1996, 76: 47251.

[14] Pham C V, Mark H B, Zimmer H. A convenient synthesis of 32alkylthiophenes[J]. Synthetic Communications, 1986, 16(6): 6892696.

[15] Chen T A, Wu X, Rieke R D. Regiocontrolled synthesis of poly(32alkylthiophenes) mediated by rieke zinc: their characterization and solid2state properties[J]. J.Am.Chem.Soc., 1995, 117: 2332244.

[16] Mao H, Holdcroft S. Grignard synthesisπ2conjugated poly(32alkylthiophenes): Controlling molecular weights and the nature of terminal units[J]. Macromolecules, 1992, 25: 5542558.

[17] Andersson M R, Solse D, Berggren M, et al. Regioselective polymerization of 32(42Octylpheneyl)thiophene with FeCl3[J]. Macromolecules, 1994, 27: 6 50326 506.

[18] Chen S A, Tsal C C. Structure/prpperties of conjugated conductive polymers.2. 32ehter2substituted polythiophenes and poly(42methylthiophene)s[J]. Macromolecules, 1993, 26: 2 23422 239.