TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Method: In the method, formation of the carbon nanotube thin film comprises: mixing the particulate materials and carbon nanotubes to form a mixed composition, and forming a mixed-composition thin film on the transparent substrate, using the mixed composition; or arranging the particulate materials on the transparent substrate to form a thin film of the particulate materials, and injecting a carbon nanotube composition into the thin film of the particulate materials. The method of forming the carbon nanotube thin film further comprises at least one step of forming the mixed-composition film on the transparent substrate, after the formation of the mixed-composition thin film. In the method, removal of the particulate materials: is carried out by heat treatment, organic solvent treatment, acid solution treatment, or plasma treatment; and comprises etching the particulate materials from the carbon nanotube thin film. In the method formation of the carbon nanotube thin film is carried out by spin coating, spray coating, filtration, bar coating, or convective arrangement, where the convective arrangement includes positioning a mixed composition of particulate materials and carbon nanotubes between a first substrate and a second substrate, faced opposite to each other at a given distance, and horizontally moving the first substrate. Preferred Components: The particulate materials are inorganic or organic colloidal particles. In the method the mixing ratio of the particulate material and carbon nanotube in the mixed composition is 1:5-1:30 (wt/wt.). The carbon nanotube thin film further comprises: a dispersant, where the dispersant is a conductive dispersant; and nanoparticles, where the nanoparticles are metal nanoparticles. The particulate material has: a particle size of 50 nm to 10 mu m; or a different particle size. The net-shaped carbon nanotube thin film comprises a network of interconnected carbon nanotubes surrounding spaces previously occupied by the particulate materials.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The transparent substrate is a transparent inorganic substrate comprising glass or quartz substrates, or a flexible transparent substrate made of a material comprising polyethylene terephthalate, polyethylene naphthalate, polyethylene sulfone, polycarbonate, polystyrene, polypropylene, polyester, polyimide, polyetheretherketone, polyetherimide, acrylic resins, olefin-maleimide copolymers or norbornene-based resins. EXAMPLE - Water soluble polythiophene (20 mg) as a conductive dispersant was dissolved in water (20 ml) and then single walled carbon nanotubes (20 mg) was added to the solution. The mixture was dispersed in a sonication bath for 10 hours, and centrifuged at 10000 rpm for 10 minutes to prepare a carbon nanotube composition. Then silica nanoparticle dispersion (1 wt.%), was mixed with the obtained carbon nanotube composition (0.05 wt.%) to form a mixed composition. Then, two transparent polyethylene terephthalate polyester films each having a thickness of 0.17 mm were treated with oxygen plasma for 10 minutes to form substrates. The two substrates were then positioned to face opposite each other at a fixed distance of 0.1 mm, and the mixed composition at a rate of 0.8 mm/minute was injected between two substrates. Then, a mixed-composition thin film was formed by blowing hot air to slowly evaporate a solvent while moving one substrate horizontally to induce formation of a meniscus at one end of the substrate on which particles and carbon nanotubes were arranged, and to induce simultaneous movement and arrangement of particles and carbon nanotubes along the meniscus. The obtained mixed-composition thin film on the substrate was then soaked in aqueous hydrofluoric acid (2.5 wt.%) for 1 minute to remove silica nanoparticles present on the thin film, to obtain the transparent carbon nanotube electrode on which the net-shaped carbon nanotube thin film was formed.