**Acknowledgements**

This research is supported by the Direktorat Riset dan Pengabdian Masyarakat (DRPM) under Kementerian Riset, Teknologi dan Perguruan Tinggi Republik Indonesia (Indonesian Ministry of Research, Technology and Higher Education/ Ristekdikti) through Pekerti Scheme Funding (Skim Penelitian Kerjasama Antar Perguruan Tinggi) in 2016. The authors are grateful to Chemistry Department of Institut Teknologi Sepuluh Nopember (ITS), Instrumentation and Analytical Science Laboratory of ITS and also Material Chemistry and Energy Laboratory of ITS for cooperation.
