“…Amongst the nanomaterials, macroporous or mesoporous nanomaterials especially MCM-41 have been widely used as an ideal support for immobilization of various catalysts and other applications. 29,30 MCM-41 has also been used in other elds such as drug delivery, 31,32 extraction, 33 adsorption, 34,35 sensors, 36,37 supports for catalysts, [38][39][40] and energy. 41 This is because MCM-41 has unique properties, e.g.…”