Ultrasound-assisted process intensification for the synthesis of nitrogen-doped ZnO photocatalyst and its application to malachite green degradation. Indian Journal of Chemical Technology (IJCT), [S. l.], v. 33, n. 2, p. 246–257, 2026. DOI: 10.56042/ijct.v33i2.21683. Disponível em: https://or.niscpr.res.in/index.php/IJCT/article/view/21683. Acesso em: 30 may. 2026.