  The Newman-Penrose formalism is used to derive the Teukolsky master equations
controlling massless scalar, neutrino, electromagnetic, gravitino, and
gravitational field perturbations of the Kerr-de Sitter spacetime. Then the
quantum entropy of a non-extreme Kerr-de Sitter black hole due to arbitrary
spin fields is calculated by the improved thin-layer brick wall model. It is
shown that the subleading order contribution to the entropy is dependent on the
square of the spins of particles and that of the specific angular momentum of
black holes as well as the cosmological constant. The logarithmic correction of
the spins of particles to the entropy relies on the rotation of the black hole
and the effect of the cosmological constant.
