1. J. Liu, L. M. Dai*, et al., Hole and Electron Extraction Layers Based on Graphene Oxide Derivatives for High-Performance Bulk Heterojunction Solar Cells, Adv. Mater., 2012, 24, 2228.

2. J. Liu, L. M. Dai*, et al., Highly Crystalline and Low Bandgap Donor Polymers for Efficient Polymer Solar Cells, Adv. Mater., 2012, 24, 538.

3. J. Liu, L. M. Dai*, et al., Sulfated Graphene Oxide as a Hole-Extraction Layer in High-Performance Polymer Solar Cells, J. Phys. Chem. Lett., 2012, 3, 1928.

4. J. Liu, L. M. Dai*, et al., Graphene-Based Materials for Energy Application, MRS Bulletin, 2012, 37, 1265.

5. Y. H. Xue, J. Liu, L. M. Dai*, et al., Nitrogen-Doped Graphene Foams as Metal-Free Counter Electrodes in High-Performance Dye-Sensitized Solar Cells, Angew. Chem. Int. Ed., 2012, 51, 12124. (内封面)

6. J. Liu, Q. B. Pei*, et al., Conjugated Polymer as Host for High Efficiency Blue and White Electrophosphorescence, Macromolecules, 2011, 44, 2451.

7. J. Liu, Q. B. Pei*, et al., An Ambipolar Poly(meta-phenylene) Copolymer with High Triplet Energy as Host for Blue and Green Electrophosphorescence, J. Mater. Chem., 2011, 21, 9772.

8. J. Liu, Q. B. Pei*, et al., Poly(m-phenylene): Conjugated Polymer Host with High Triplet Energy for Efficient Blue Electrophosphorescence, Macromolecules, 2010, 43, 9608.

9. J. Liu, Q. B. Pei*, et al., Electrophosphorescent Polymers for High- Efficiency Light-Emitting Diodes, Curr. Org. Chem., 2010, 14, 2133.

10. J. Liu, L. X. Wang*, et al., White Electroluminescence from a Star-Shaped Like Polymer with an Orange Emissive Core and Four Blue Emissive Arms, Adv. Mater., 2008, 20, 1357.

11. J. Liu, L. X. Wang*, et al., Novel White Electroluminescent Single Polymer Derived from Fluorene and Quinacridone, Macromolecules, 2008, 41, 1162.

12. J. Liu, L. X. Wang*, et al., Highly Efficient Red Electroluminescent Polymers with Dopant/Host System and Molecular Dispersion Feature: Polyfluorene as the Host and 2,1,3-Benzothiadiazole Derivative units as the Red Dopants, J. Mater. Chem., 2008, 18, 319.

13. J. Liu, L. X. Wang*, et al., Blue Electroluminescent Polymers with Dopant/Host System and Molecular Dispersion Feature: Polyfluorene as the Deep-blue Host and 1,8-Naphthalimide Derivative Units as the Light-blue Dopants, J. Mater. Chem., 2008, 18, 1659.

14. J. Liu, L. X. Wang*, et al., Molecular Design on Highly Efficient White Electroluminescence from a Single Polymer System with Simultaneous Blue, Green and Red Emission, Adv. Mater., 2007, 19, 531.

15. J. Liu, L. X. Wang*, et al., White Electroluminescence from a Single Polymer System: Improved Performance by Means of Enhanced Efficiency and Red-Shifted Luminescence of the Blue-Light-Emitting Species, Adv. Mater., 2007, 19, 1859.

16. J. Liu, L. X. Wang*, et al., Three-Color White Electroluminescence from a Single Polymer System with Blue, Green and Red Dopant Units as Individual Emissive Species and Polyfluorene as Individual Polymer Host, Adv. Mater., 2007, 19, 4224.

17. J. Liu, L. X. Wang*, et al., White Electroluminescence from a Single-Polymer Systemwith Simultaneous Two-Color Emission: Polyfluorene as Blue Hostand 2,1,3-Benzothiadiazole Derivatives as Orange Dopants on the Side Chain, Adv. Funct. Mater., 2007, 17, 1917.

18. J. Liu, L. X. Wang*, et al., Green Light-Emitting Polyfluorenes with Improved Color Purity Incorporated with 4,7-Diphenyl-2,1,3-Benzothiadiazole Moieties, J. Mater. Chem., 2007, 17, 2832.

19. J. Liu, L. X. Wang*, et al., White Electroluminescence from a Single Polymer System with Simultaneous Two Color Emission: Polyfluorene as Blue Host and 2,1,3-Benzothiadiazole Derivative as the Orange Dopant on the Main Chain, Adv. Funct. Mater., 2006, 16, 957. (封面)

20. J. Liu, L. X. Wang*, et al., Blue Light-Emitting Polymer with Polyfluorene as the Host and Highly Fluorescent 4-Dimethylamino-1,8-Naphthalimide as the Dopant in the Side Chain,Appl. Phys. Lett., 2006, 88, 083505.

21. J. Liu, L. X. Wang*, et al., Highly Efficient Green Light Emitting Polyfluorene Incorporated with 4-Diphenylamino-1,8-Naphthalimide as Green Dopant, J. Mater. Chem., 2006, 16, 1431.

22. J. Liu, L. X. Wang*, et al., The First Single Polymer with Simultaneous Blue, Green, and Red Emission for White Electroluminescence, Adv. Mater., 2005, 17, 2974.