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Recent experimental progresses have made it possible to simulate spin 1/2Hubbard model on triangular lattice in moir\'e materials formed by transitionmetal dichalcogenide (TMD) heterobilayer or homobilayer. In twisted TMDhomobilayer, a vertical electric field can induce a valley contrasting flux inthe hopping term. In this paper we study possible superconductors from a t-Jmodel with valley contrasting flux $\Phi$ using the slave boson mean fieldtheory. We obtain a phase diagram with doping $x$ and $\Phi$. A finite $\Phi$breaks spin rotation symmetry and the pairing symmetry is a superposition ofspin singlet $d-id$ and spin triplet $p+ip$. There are two topological phasetransitions when tuning $\Phi$ from $0$ to $\pi$, with three Dirac nodes at onetransition and one single Dirac node at the other transition. We also discussthe effects of van Hove singularity and a three-site correlated hopping term onthe pairing strength. Lastly, we demonstrate that a small anisotropy termbreaking the $C_3$ rotation can lead to a time reversal invariant nodalsuperconductor connected to the $d_{x^2-y^2}$ superconductor on square lattice.

Chiral and nodal superconductors in t-J model with valley contrasting flux on triangular moir\'e lattice