Fig. 5From: Facile Preparation of Carbon Nanotube-Cu2O Nanocomposites as New Catalyst Materials for Reduction of P-NitrophenolCatalytic reduction of 4-NP via present synthesized CNT-Cu2O nanocomposites. a CNT-Cu-30-1. b CNT-Cu-60-1. c CNT-Cu-30-6. d The photos of 4-NP solution before and after the catalytic processBack to article page