Abstract: Aspects of the invention provide a method of controlling the solid-state property of the solid-phase surface or controlling forming reactive region. The method can be attained by using a device for ejecting droplets and a molecule for inclusion in a SAM which can be photo-patterned in a short period of time using low energy UV radiation, that is TV radiation having a relatively long wavelength. The invention can provide monomolecular film that is formed from molecules comprising a structural component (B) which is hydrophobic and/or lipophobic, and a structural component (A) which decomposes when irradiated with UV light having a wavelength in the range 254-400 nm to cleave away a part of the molecule having the structural component (B) leaving a residual hydrophilic structural component (C).

Abstract: Aspects of the invention can provide a method of effectively observing the photodecomposition process of a monolayer in real time. The invention can provide a method of observing the decomposition process of a monolayer when the monolayer is irradiated with UV rays, where the structure of the constituent molecule of the monolayer in an ultrahigh vacuum atmosphere and an oxygen-containing atmosphere respectively can be measured by a molecular structure measuring device during the UV irradiation. The invention can also provide a method of controlling the degree of surface decomposition of the monolayer that controls the ozone concentration accompanying the UV irradiation based on observation results obtained by using the observation method. The invention can further provide a method of patterning the monolayer that employs the control method.

Abstract: Aspects of the invention provide a method of controlling the solid-state property of the solid-phase surface or controlling forming reactive region. The method can be attained by using a device for ejecting droplets and a molecule for inclusion in a SAM which can be photo-patterned in a short period of time using low energy UV radiation, that is TV radiation having a relatively long wavelength. The invention can provide monomolecular film that is formed from molecules comprising a structural component (B) which is hydrophobic and/or lipophobic, and a structural component (A) which decomposes when irradiated with UV light having a wavelength in the range 254-400 nm to cleave away a part of the molecule having the structural component (B) leaving a residual hydrophilic structural component (C).

Abstract: Aspects of the invention can provide a method of effectively observing the photodecomposition process of a monolayer in real time. The invention can provide a method of observing the decomposition process of a monolayer when the monolayer is irradiated with UV rays, where the structure of the constituent molecule of the monolayer in an ultrahigh vacuum atmosphere and an oxygen-containing atmosphere respectively can be measured by a molecular structure measuring device during the UV irradiation. The invention can also provide a method of controlling the degree of surface decomposition of the monolayer that controls the ozone concentration accompanying the UV irradiation based on observation results obtained by using the observation method. The invention can further provide a method of patterning the monolayer that employs the control method.