1. Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Kampus ITS Keputih, Surabaya, Sukolilo 60111, Indonesia
2. Department of Physics, National University of Singapore, Singapore 117551, Singapore
3. Center of Excellence Applied Physics and Chemistry, Nano Center Indonesia, Jl PUSPIPTEK, South Tangerang, Banten 15314, Indonesia