1. Dechao Geng, Bin Wu, Yunlong Guo, Birong Luo, Yunzhou Xue, Jianyi Chen, Gui Yu,* and Yunqi Liu,* Fractal etching of graphene, J. Am. Chem. Soc., 2013, 135, 6431−6434

2. Huajie Chen, Yunlong Guo, Zupan Mao, Gui Yu,^*Jianyao Huang, Yan Zhao, and Yunqi Liu,* Naphthalenediimide-based copolymers incorporating vinyl-linkages for high-performance ambipolar field-effect transistors and complementary-like inverters under air, Chem. Mater., 2013, 25, 3589−3596

3. Weifeng Zhang, Ji Zhang, Xiangyang Chen, Zupan Mao, Xiaodong Xie, Liping Wang,*Yi Liao,*Gui Yu,* Yunqi Liu,and Daoben Zhu, Bitrialkylsilylethynyl thienoacenes: Synthesis, molecular conformation and crystal packing, and their field-effect properties, J. Mater. Chem. C, 2013, 1, 6403-6410

4. Minliang Zhu, Hao Luo, Liping Wang,* Yunlong Guo, Weifeng Zhang, Yunqi Liu, Gui Yu,* The synthesis of 2,6-dialkylphenyldithieno[3,2-b:2¢,3¢-d]thiophene derivatives and their applications in organic field-effect transistors, Dyes and Pigments, 2013, 98, 17–24.

5. Huajie Chen, Yunlong Guo, Xiangnan Sun, Dong Gao, Yunqi Liu, and Gui Yu,* Synthesis and characterization of phenanthrocarbazole–diketopyrrolopyrrole copolymer for high-performance field-effect transistors, J. Polym. Sci A: Polym. Chem., 2013, 51, 2208–2215.

6. Birong Luo, Hongtao Liu, Lili Jiang, Lang Jiang, Dechao Geng, Bin Wu, Wenping Hu, Yunqi Liu, and Gui Yu,* Synthesis and morphology transformation of single-crystal graphene domains based on activated carbon dioxide by chemical vapor deposition, J. Mater. Chem. C, 2013, 1, 2990–2995.

7. Mingshan Zhu, Xiaodong Xie, Yunlong Guo, Penglei Chen,* Xiaowei Ou, Gui Yu,* and Minghua Liu,* Fluorographene nanosheets with broad solvent dispersibility and their applications as a modified layer in organic field-effect transistors, Phys. Chem. Chem. Phys., 2013, 15, 20992-21000

8. Shaowei Shi, Xiaodong Xie, Rui Qu, Song Chen, Liwei Wang, Meng Wang, Haiqiao Wang,* Xiaoyu Li,* and Gui Yu,* Synthesis, characterization, and field-effect transistor performance of naphtho[1,2b:5,6b¢]dithiophenebased donor–acceptor copolymers, RSC Adv., 2013, 3, 18944–18951

9. Cheng Cheng, Chunmeng Yu, Yunlong Guo,* Huajie Chen, Yu Fang, Gui Yu,* and Yunqi Liu,* A diketopyrrolopyrrole–thiazolothiazole copolymer for high performance organic field-effect transistors, Chem. Commun., 2013, 49, 1998–2000

10. Xinjun Xu, Gui Yu,^* Yongqiang Ma, Kefeng Shao, Lianming Yang, and Yunqi Liu,^* Achievement of complete electromer emission in organic light-emitting diodes, J. Lumi., 2013, 136, 208–211

11. Xiaochen Wang, Pei Jiang, Yu Chen, Hao Luo, Zhiguo Zhang, Haiqiao Wang,* Xiaoyu Li,* Gui Yu,* and Yongfang Li,* Thieno[3,2‑b]thiophene-bridged d−π−a polymer semiconductor based on benzo[1,2‑b:4,5‑b′]dithiophene and benzoxadiazole, Macromolecules, 2013, 46, 4805–4812

12. Shaowei Shi, Xiaodong Xie, Pei Jiang, Song Chen, Liwei Wang, Meng Wang, Haiqiao Wang,* Xiaoyu Li,* Gui Yu,* and Yongfang Li,* Naphtho[1,2‑b:5,6‑b′]dithiophene-based donor−acceptor copolymer semiconductors for high-mobility field-effect transistors and efficient polymer solar cells,Macromolecules, 2013, 46, 3358–3366