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劉俊

中國科學院長春應用化學研究所研究員

劉俊，中國科學院長春應用化學研究所研究員，博士生導師。 2007年於中國科學院長春應用化學研究所獲得理學博士學位；2007年3月至2013年1月在德國維爾茨堡大學、美國加州大學洛杉磯分校和美國凱斯西儲大學分別做洪堡學者、博士后、研究助理。主要研究方向為高分子太陽能電池材料與器件、有機光電電極界面材料、共軛高分子化學、高分子發光二極體材料與器件。近年來共以通訊/第一作者發表SCI論文36篇，其中，影響因子>10的17篇，包括Adv. Mater.10篇，Angew. Chem. Int. Ed.4篇。研究工作引起國際學術界的高度評價，總被引用1800餘次，2篇核心論文各被引用超過150次，H-index為23。11次被Nature，Nature China，Adv. Mater.，Angew. Chem. Int. Ed.等雜誌予以專題評述或重點介紹。授權美國專利1項，中國發明專利8項，申請中國發明專利5項。

目錄
1科研領域 2發表文章

科研領域

1. 含硼氮配位鍵的高分子電子受體材料
高分子太陽能電池常用電子受體材料是富勒烯衍生物PCBM，富勒烯衍生物對太陽光的吸收能力差，且生產能耗大，成本高，因此需要開發非富勒烯的電子受體材料。用高分子作為電子受體材料，不但具有太陽光吸收能力強，成本低的優點，而且可以大幅度提高形貌穩定性和機械性能。但是高分子電子受體材料的種類和數量非常少，我們提出用硼氮配位鍵（B←N）設計高分子電子受體材料。發現硼氮配位鍵可以將常見高分子電子給體材料轉變為受體材料，而且發展出基於硼氮配位鍵的新型拉電子單元，用於構建高分子電子受體材料。該工作為受體材料的設計提供學術新思想和材料新體系。
2. 溶液加工型石墨烯電極界面材料
高分子太陽能電池活性層與電極之間的界面性質對於器件性能非常重要，開發電極界面材料是實現高性能器件的有效方法。我們發展出溶液加工型石墨烯電極界面材料，包括氧化石墨烯體系和石墨烯量子點體系。利用溶液加工型石墨烯化學結構易修飾、性質易調控的特點，我們進行了系統研究，實現了溶液加工型石墨烯能級結構、導電率、成膜性等多方面性質的大幅度協同調控，提升了器件性能。
3. 單一高分子白光材料
白光高分子發光材料與器件在全色顯示、背光源、照明領域巨大的應用前景。白光是混合光，需要發光光譜有效覆蓋整個可見光區。普通有機/高分子發光材料的發光光譜半峰寬小，無法覆蓋整個可見光區，無法實現白光發射。我們在國際上提出並實現了單一高分子的三基色同時發光並得到白光，解決了白光高分子材料與器件光譜穩定性的難題，為發展單一高分子白光材料和帶動全色顯示應用拓展出新方向。

發表文章

建課題組后：
18.Z. C. Ding, X. J. Long, C. D. Dou*, J. Liu*, L. X. Wang, A Polymer Acceptor with an Optimal LUMO Energy Level for All-Polymer Solar Cells, Chem. Sci., 2016, 7, 6197.
17. S. Zhang, Z. J. Zhang, J. Liu*, L. X. Wang, Fullerene Adducts Bearing Cyano Moiety for Both High Dielectric Constant and Good Active Layer Morphology of Organic Photovoltaics, Adv. Funct. Mater., 2016, 26, 6107.
16. X. X. Chen, Z. J. Zhang, Z. C. Ding, J. Liu*, L. X. Wang*, Diketopyrrolopyrrole-Based Conjugated Polymers Bearing Branched Oligo(Ethylene Glycol) Side Chains, Angew. Chem. Int. Ed., 2016, 128, 10532. （封面）
15. X. J. Long, Z. C. Ding, C. D. Dou*, Z. Y. Xie, J. Liu*, L. X. Wang, Polymer Acceptor Based on Double B←N Bridged Bipyridine (BNBP) Unit for High-Efficiency All-Polymer Solar Cells. Adv. Mater., 2016, 28, 6504.
14. L. Zhang, Z. S. Miao, Z. Hao, J. Liu*, Exfoliating and Dispersing Few-Layered Graphene in Low-Boiling-Point Organic Solvents Towards Solution-Processed Opto-Electronic Device Application, Chem. Asian J., 2016, 11, 1441.
13. R. Y. Zhao, C. D. Dou*, Z. Y. Xie, J. Liu*, L. X. Wang, Polymer Acceptor Based on B←N Units with Enhanced Electron Mobility for Efficient All-Polymer Solar Cells, Angew. Chem. Int. Ed., 2016, 55, 5313.
12. B. Meng, Z. Y. Xie, J. Liu*, L. X. Wang*, A Bromo-Functionalized Conjugated Polymer as Cross-linkable Anode Interlayer of Polymer Solar Cells, Chem. Asian J., 2016, 11, 1218.
11. C. D. Dou, X. J. Long, Z. C. Ding, Z. Y. Xie, J. Liu* L. X. Wang, An Electron-Deficient Building Block Based on the B←N Unit: An Electron Acceptor for All-Polymer Solar Cells, Angew. Chem. Int. Ed., 2016, 55, 1436.
10. B. Meng, Z. Y. Wang, W. Ma*, Z. Y. Xie, J. Liu*, L. X. Wang, A Cross-linkable Donor Polymer as the Underlying Layer to Tune the Active Layer Morphology of Polymer Solar Cells, Adv. Funct. Mater., 2016, 26, 226.
9. Z. J. Zhang, Z. C. Ding, C. D. Dou*, J. Liu*, L. X. Wang, Development of a Donor Polymer using a B←N Unit for Suitable LUMO/HOMO Energy Levels and Improved Photovoltaic Performance, Polym. Chem., 2015, 6, 8029.
8. B. Meng, H. Y. Song, X. X. Chen, Z. Y. Xie, J. Liu*, L. X. Wang*，Replacing Alkyl with Oligo(ethylene glycol) as Side Chains of Conjugated Polymers for Close pi-pi Stacking, Macromolecules，2015, 48, 4357.
7. Z. C. Ding, Z. Hao, B. Meng, Z. Y. Xie, J. Liu*, L. M. Dai*, Few-Layered Graphene Quantum Dots as Efficient Hole-Extraction Layer for High-Performance Polymer Solar Cells, Nano Energy, 2015, 15, 186.
6. C. D. Dou, Z. C. Ding, Z. J. Zhang, Z. Y. Xie, J. Liu*, L. X. Wang, Developing Conjugated Polymer with High Electron Affinity via Replacing a C-C Unit by a B←N Unit, Angew. Chem. Int. Ed., 2015, 54, 3648. (內封面)
5. B. Meng, Y. Y. Fu, Z. Y. Xie, J. Liu*, L. X. Wang*, Phosphonated Conjugated Polymers for Polymer Solar Cells with Non-Halogenated Solvent Process, Polym. Chem., 2015, 26, 805.
4. B. Meng, Y. Y. Fu, Z. Y. Xie, J. Liu*, L. X. Wang*, Phosphonate-Functionalized Donor Polymer as an Underlying Interlayer to Improve Active Layer Morphology in Polymer Solar Cells, Macromolecules, 2014, 47, 6246.
3. L. Zhang, Z. J. Zhang, C. Z. He, L. M. Dai, J. Liu*, L. X. Wang, Rationally Designed Surfactants for Few-Layered Graphene Exfoliation: Ionic Groups Attached to Electron-Deficient pi-Conjugated Unit through Alkyl Spacers, ACS Nano, 2014, 8, 6663.
2. J. Liu, G. Kim, Y. H. Xue, J. Y. Kim, J.-B. Baek, M. Durstock, L. M. Dai*, Graphene Oxide Nanoribbon as Hole Extraction Layer to Enhance Efficiency and Stability of Polymer Solar Cells, Adv. Mater., 2014, 26, 786.
1. J. Liu*, M. Durstock, L. M. Dai*, Graphene Oxide Derivatives as Hole- and Electron-Extraction Layers for High-Performance Polymer Solar Cells, Energy Environ. Sci., 2014, 7, 1297.
建課題組前：
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 Materials for Energy-Related 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. (內封面)
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., 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(meta-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 Unit as 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.

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