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A fine gravitational theory is essentially expected to deal with the problemof spacetime singularities. Loop quantum gravity as one branch of quantumgravity is potential to explore the nature of black holes. Recently, accordingto the quantum Oppenheimer-Snyder model in loop quantum cosmology, a novel loopquantum corrected black hole in de Sitter spacetime has been discovered. Here,we focus on examining the strong cosmic censorship(SCC) based on such a quantummodified black hole by considering a massless neutral scalar fieldperturbation. As a result, we find that the SCC is destroyed as the black holeapproaches to the near-extremal limit. Notably, the critical value of the blackhole mass ratio for such a violation increases with the increase of thecosmological constant. It was implied the cosmological constant plays animportant role in moderating the violation of the SCC.

Strong cosmic censorship for a black hole in loop quantum gravity