The Chem. Sci. journal features on its front cover of the November 2025 issue the research article “Enhancing the Statistical Probability Factor in Triplet-Triplet Annihiltaion Photon Upconversion via TIPS Functionalization” by Prof Miquel Solà in collaboration with Kasper Moth-Poulsen group. This work shows the infl uence of triisopropylsilyl functionalization on annihilators in triplet–triplet annihilation photon upconversion, specifi