39. M. Khalil, R.M. Iqbal, G.T.M. Kadja, D. Djuhana. “Recent Advances on Plasmon-enhanced Titania Nanocatalysts for Photocatalytic Degradation of Organic Dyes”. Journal of the Indonesian Chemical Society 3(3), 117-117. (2020).

38. G.T.M. Kadja, T.R. Suprianti, M.M. Ilmi, M. Khalil, R.R. Mukti. “Sequential mechanochemical and recrystallization methods for synthesizing hierarchically porous ZSM-5 zeolites”. Microporous and Mesoporous Materials 308, 110550. (2020).

37. W.P. Wicaksono, G.T.M. Kadja, D. Amalia, L. Uyun, W.P. Rini, A. Hidayat, R.L. Fahmi, D. Nasriyanti, S.G.V. Leun, H.A. Ariyanta, T. A. Ivandini. “A green synthesis of gold–palladium core–shell nanoparticles using orange peel extract through two-step reduction method and its formaldehyde colorimetric sensing performance”. Nano-Structures & Nano-Objects 24, 100535. (2020).

36. A Maghfirah, MM Ilmi, ATN Fajar, GTM Kadja. “A review on the green synthesis of hierarchically porous zeolite”. Materials Today Chemistry 17, 100348. (2020).

35. A.T.N. Fajar, F.A. Nurdin, R.R. Mukti, C.B. Rasrendra, G.T.M. Kadja. “Synergistic effect of dealumination and ceria impregnation to the catalytic properties of MOR zeolite”. Materials Today Chemistry 17, 100313. (2020).

34. F. Fahma, N. Lisdayana, Z. Abidin, D. Noviana, Y.W. Sari, R.R. Mukti,.M. Yunus, A. Kusumaatmaja, G.T.M Kadja. “Nanocellulose-based fibres derived from palm oil by-products and their in vitro biocompatibility analysis”. The Journal of The Textile Institute 111 (9), 1354-1363. (2020).

33. B. N. Makertihartha, G.T.M. Kadja, M.L. Gunawan, R.R. Mukti, Subagjo. “Exceptional Aromatic Distribution in the Conversion of Palm-Oil to Biohydrocarbon Using Zeolite-Based Catalyst”. Journal of Engineering & Technological Sciences, 52(4), 584-597. (2020).

32. M. Khalil, T.H. Rangkuti, F. Naumi, J. Gunlazuardi, T.A. Ivandini, G.T.M. Kadja, J.Y. Mulyana. “A synergy of CdSe sensitization and exposure of TiO2 (0 0 1) facet in CdSe-TiO2 nanostructures for photoreduction of bicarbonate”. Inorganic Chemistry Communications, 118, 107992. (2020).

31. E. Nurfani, W.A.P. Kesuma, A. Lailani, M.S. Anrokhi, G.T.M. Kadja, M. Rozana, W.S. Sipahutar, M. F Arif. “Tunable Schottky barrier height of ZnO films by Cu doping”. IOP Conference Series: Earth and Environmental Science, 537, 012038. (2020).