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An equilibrium conformational structure of a monolayer formed by polyelectrolyte chains grafted at one end onto an impermeable planar surface and immersed in a solvent is analyzed on the basis of the asymptotic solutions of the Poisson-Boltzmann equation at arbitrary grafting and charge density including the regime of nonoverlapped grafted polyions. The cases of both salf-free and salt-added solution are considered. The effect of grafted polyion orientation due to long-range interactions under the conditions of loose grafting is analyzed. The corresponding diagrams of the states of the grafted polyelectrolyte layer in the co-ordinates grafting density-charge density and grafting density-ionic strength for the cases of both good solvent and 0-solvent are presented.

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