Zhao, WeitianDisalvo, Francis J.2015-04-132015-04-132015-04-13201510.1039/c4cc09564bhttps://infoscience.epfl.ch/handle/20.500.14299/113278WOS:000351056200032We report a facile synthesis of single-phase, nanocrystalline macroporous chromium nitride and chromium titanium nitride with an inverse opal morphology. The material is characterized using XRD, SEM, HR-TEM/STEM, TGA and XPS. Interconversion of macroporous CrN to Cr2O3 and back to CrN while retaining the inverse opal morphology is also demonstrated.text::journal::journal article::research article