Quantitative Defect–Property Correlations in Ti3C2Tx MXenes via Precursor‑Controlled Defect EngineeringsStrong metal-support interaction at Ti3+-oxygen vacancy-Pt-interfaces in  MXene-derived TiO2 for room-temperature formaldehyde oxidations,Ammara Ayuba,b,1, Ari Chaec,d,1, Waleed Ahmada,1, Sk Mujaffar Hossaine, Ji Eun Seoc,h,  Chong Min Koo,f, Heehyeon Lee,a,Jaeeun Yooni,c,d, Seung-Cheol Leee,g, Sanglim Han,j,   Taegon Ohc,d,*, Dong Wook Kwon,c,**, Youngtak Oh,b,c,***.      Chemical Engineering Journal, 536 (2026) 175705