Abstract: A light-sensing device comprises a substrate, multiple first working light-sensing elements, multiple second working light-sensing elements, multiple third working light-sensing elements, multiple first reference light-sensing elements, multiple second reference light-sensing elements, multiple third reference light-sensing elements, a first processing element, and a second processing element. The substrate has a first working area, a second working area, a third working area, a first reference area, a second reference area, and a third reference area. The multiple first working light-sensing elements, the multiple second working light-sensing elements, and the multiple third working light-sensing elements are respectively disposed in the first working area, the second working area, and the third working area.

Abstract: A gas sensor includes a first electrode, a gas detecting layer disposed on the first electrode, and an electric-conduction enhanced electrode unit being electrically connected to the first electrode and the gas detecting layer. The electric-conduction enhanced electrode unit includes an electric-conduction enhancing layer and a second electrode electrically connected to the electric-conduction enhancing layer. The electric-conduction enhancing layer is electrically connected to the gas detecting layer and is made of an electrically conductive organic material.

Abstract: A gas sensor includes a first electrode, a gas detecting layer disposed on the first electrode, and an electric-conduction enhanced electrode unit being electrically connected to the first electrode and the gas detecting layer. The electric-conduction enhanced electrode unit includes an electric-conduction enhancing layer and a second electrode electrically connected to the electric-conduction enhancing layer. The electric-conduction enhancing layer is electrically connected to the gas detecting layer and is made of an electrically conductive organic material.

Abstract: A sensing element includes a conductive substrate, a zinc oxide seed layer, a plurality of zinc oxide nanorods, a film with an electrical double layer, and an organic sensing layer. The zinc oxide seed layer is located on the conductive substrate. The zinc oxide nanorods extend from the zinc oxide seed layer. The film with the electrical double layer covers the zinc oxide nanorods. The organic sensing layer is located on the film with the electrical double layer.

Abstract: A gas sensor includes a first electrode, a gas detecting layer disposed on the first electrode, and an electric-conduction enhanced electrode unit being electrically connected to the first electrode and the gas detecting layer. The electric-conduction enhanced electrode unit includes an electric-conduction enhancing layer and a second electrode electrically connected to the electric-conduction enhancing layer. The electric-conduction enhancing layer is electrically connected to the gas detecting layer and is made of an electrically conductive organic material.

Abstract: A sensing element includes a conductive substrate, a zinc oxide seed layer, a plurality of zinc oxide nanorods, a film with an electrical double layer, and an organic sensing layer. The zinc oxide seed layer is located on the conductive substrate. The zinc oxide nanorods extend from the zinc oxide seed layer. The film with the electrical double layer covers the zinc oxide nanorods. The organic sensing layer is located on the film with the electrical double layer.