Direct chemical vapor deposition synthesis of large area single-layer brominated graphene

Maria Hasan; Wang Meiou; Liu Yulian; Sami Ullah; Huy Q. Ta; Liang Zhao; Rafael G. Mendes; Zahida P. Malik; Nasir M. Ahmad; Zhongfan Liu; Mark H. Rümmeli

doi:10.1039/C9RA01152H

Direct chemical vapor deposition synthesis of large area single-layer brominated graphene†

Maria Hasan,^ag Wang Meiou,^bc Liu Yulian,^bc Sami Ullah,^bc Huy Q. Ta,^bc Liang Zhao,^bc Rafael G. Mendes,^e Zahida P. Malik,^g Nasir M. Ahmad,^h Zhongfan Liu

^a and Mark H. Rümmeli

*^bcdef

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* Corresponding authors

^a College of Chemistry & Molecular Engineering, Peking University, Beijing 100871, P. R. China

^b College of Energy, Soochow Institute for Energy and Materials Innovations, Soochow University, Suzhou 215006, China

^c Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province, Soochow University, Suzhou, China

^d Institute of Environmental Technology, VŠB-Technical University of Ostrava, 17. Listopadu 15, Ostrava, Czech Republic

^e IFW Dresden, 20 Helmholtz Strasse, Dresden 01069, Germany
E-mail: m.ruemmeli@ifw-dresden.de

^f Centre of Polymer and Carbon Materials, Polish Academy of Sciences, M. Curie-Sklodowskiej 34, Zabrze 41-819, Poland

^g School of Natural Sciences, National University of Sciences and Technology, Islamabad 44000, Pakistan

^h School of Chemical and Material Engineering, National University of Sciences and Technology, Islamabad 44000, Pakistan

Abstract

Graphene and its derivatives such as functionalized graphene are considered to hold significant promise in numerous applications. Within that context, halogen functionalization is exciting for radical and nucleophilic substitution reactions as well as for the grafting of organic moieties. Historically, the successful covalent doping of sp² carbon with halogens, such as bromine, was demonstrated with carbon nanotubes. However, the direct synthesis of brominated graphene has thus far remained elusive. In this study we show how large area brominated graphene with C–Br bonds can be achieved directly (i.e. a single step) using hydrogen rich low pressure chemical vapor deposition. The direct synthesis of brominated graphene could lead to practical developments.

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Direct chemical vapor deposition synthesis of large area single-layer brominated graphene†

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