Ultra-sensitive, flexible and transparent gas detection film based on well-ordered flat polypyrrole on single-layered graphene Taeseung Yoon, a† Jaemoon Jun, b† Dong Yeon Kim, c Saeed Pourasad, a Tae Joo Shin, d Seong Uk Yu, a Wonjoo Na, b Jyongsik Jang,* b and Kwang S. Kim* a a. Center for Superfunctional Materials, Department of Chemistry, c. Department of Chemical Engineering, d. UNIST Central Research Facilities (UCRF) and School of Natural Science, Ulsan National Institute of Science and Technology (UNIST), 50 UNIST-gil, Ulsan 44919, Republic of Korea b. School of Chemical and Biological Engineering, College of Engineering, Seoul National University, 599 Gwanangno, Gwanakgu, Seoul 151-742, Republic of Korea E-mail: kimks@unist.ac.kr (K.S.K.) or jsjang@plaza.snu.ac.kr (J.Jang) Supplementary video Movie S1. MD simulations representing formation steps of the flat conformation for 10C- PPy@SLG. Movie S2. MD simulations representing formation steps of the tilted conformation for 70C- PPy@SLG. 1 Electronic Supplementary Material (ESI) for Journal of Materials Chemistry A. This journal is © The Royal Society of Chemistry 2018