1. Dechao Geng, Huaping Wang, Yu Wan, Zhiping Xu, Birong Luo, Jie Xu,and Gui Yu,^* Direct top-down fabrication of large-area graphene arrays by in-situ etching method, Adv. Mater., 2015, 27, 4195–4199. 

2. Dechao Geng, Huaping Wang, Gui Yu,* Graphene single crystals: size and morphology engineering, Adv. Mater., 2015, 27, 2821–2837.

3. Ji Zhang, Kai Zhang, Weifeng Zhang, Zupan Mao, Man Shing Wong,* and Gui Yu,* Novel dialkoxy-substituted benzodithienothiophenes for high-performance organic field-effect transistors, J. Mater. Chem. C, 2015, 3, 10892–10897.             

4. Zupan Mao, Weifeng Zhang, Jianyao Huang, Keli Shi, Dong Gao, Zhihui Chen, and Gui Yu,* High-Performance Polymer field-effect transistors fabricated with low-bandgap dpp-based semiconducting materials, Polym. Chem., 2015, 6, 6457–6464.

5. Jie Xu, Weifeng Zhang, Dechao Geng, Yuan Liu, Huaping Wang, Nujiang Tang,* and Gui Yu,* Magnetic properties of a bottom-up synthesis analogous graphene with n-doped zigzag edges, Adv. Electron. Mater., 2015, 1, DOI: 10.1002/aelm.201500084.

6.  Weilong Zhou,  Huajie Chen, Junjie Lv, Youchun Chen, Weifeng Zhang*, Gui Yu*, and Fenghong Li*, Improving the efficiency of polymer solar cells based on furan-flanked diketopyrrolopyrrole copolymer via solvent additive and methanol treatment, Nanoscale, 2015, 7, 15945–15952. 

7. Shaowei Shi, Keli Shi, Gui Yu,* Xiaoyu Li,* Haiqiao Wang,* Naphtho[1,2b;5,6b¢]difuran-based donor–acceptor polymers for high performance organic field-effect transistors, RSC Adv.,2015, 5, 70319–70322

8. Minghui Hao, Xiaodong Li, Keli Shi, Dongjun Xie, Xuan Zeng, Junfeng Fang,* Gui Yu,* and Chuluo Yang,* Highly efficient photovoltaics and field-effect transistors based on copolymers of mono-fluorinated benzothiadiazole and quarterthiophene: Synthesis and effect of the molecular weight on device performance, Polym. Chem., 2015, 6, 6050–6057.

9. Zhaoguang Li, Ji Zhang, Kai Zhang, Weifeng Zhang, Lei Guo, Jianyao Huang, Gui Yu,* and Man Shing Wong,* Naphtho[2,1-b:3:4-b']bisthieno[3,2-b][1]benzothiophene-Based Semiconductors for Organic Field-Effect Transistors,J. Mater. Chem. C, 2015, 3, 8024‒8029

10. Liping Wang,* Limin Wang, Jianyao Huang, and Gui Yu,* Synthesis and characterization of dibenzo[a,d]cyclohepten-5-one derivatives for light-emitting diodes, Chin. J. Chem., 2015, 33, 948–954.

11. Chao Li, Naihang Zheng, Huajie Chen,* Jianyao Huang, Zupan Mao, Liping Zheng, Chao Weng, Songting Tan, and Gui Yu,* Synthesis, characterization, and field-effect transistors properties of tetrathienoanthracene-based copolymers using a two-dimensional π-conjugation extension strategy: a potential building block for high-mobility polymer semiconductors, Polym. Chem., 2015, 6, 5393–5404.

12. Liping Wang,* Xiaodong Xie, Shaowei Shi, Keli Shi, Zupan Mao, Weifeng Zhang, Haiqiao Wang,* and Gui Yu,* Synthesis, characterization, and field-effect properties of (E)-2-(2-(thiophen-2-yl)vinyl)thiophen-based donoracceptor copolymers, Polymer, 2015, 68, 302–307

13. B. Wang, J. Zhang, K. Shi, H. L. Tam, W. Zhang, L. Guo, F. Pan, G. Yu,* F. Zhu,* and M. S. Wong,* Heteroatom substituted naphthodithiophene-benzothiadiazole copolymers and their effects on photovoltaic and charge mobility properties, Polym. Chem., 2015, 6, 4479–4486.

14. Chao Li, Zupan Mao, Huajie Chen,* Liping Zheng, Jianyao Huang, Bin Zhao, Songting Tan, and Gui Yu,* Synthesis, characterization, and field-effect transistors properties of novel copolymers incorporating non-planar biindeno[2,1-b]thiophenylidene building-blocks, Macromolecules, 2015, 48, 2444‒2453

15. Xuejun Zhan, Ji Zhang, Sheng Tang, Yuxuan Lin, Min Zhao, Jie Yang, Haoli Zhang,* Qian Peng, Gui Yu,* and Zhen Li,* Pyrene fused perylene diimides: synthesis, characterization and applications in organic fieldeffect transistors and optical limiting with high performance, Chem. Commun., 2015, 51, 7156‒7159.

16. Bin-Bin Cui, Zupan Mao, Yuxia Chen, Yu-Wu Zhong,* Gui Yu,* Chuanlang Zhan,* and    Jiannian Yao,* Tuning of resistive memory switching in electropolymerized metallopolymeric films, Chem. Sci., 2015, 6, 1308 –1315

17. Yafei Wang, Jianhua Chen, Yuanhui Zhen, Haigang Jiang, Gui Yu,* Yu Liu, Etienne Baranoff,* Hua Tan, and Weiguo Zhu,* Synthesis and properties of novel near-infrared dye based on BODIPY and diketopyrrolopyrrole units, Mater. Lett., 2015, 139, 130‒133.