TECHNOLOGY FOCUS - POLYMERS - Preferred Parameters: The supercooled liquid region ranges from about 5 degrees C to about 200 degrees C; or the supercooled liquid region ranges from about 20 degrees C to about 100 degrees C. The supercooled liquid region is between a glass transition temperature and a crystallization temperature of the metallic glass, and in the supercooled liquid region, the metallic glass shows a liquid-like behavior. The glass transition temperature of the metallic glass is about 100 degrees C or more; or the crystallization temperature of the metallic glass is about 800 degrees C or less. Preferred Composition: The conductive powder, the metallic glass, and the organic vehicle are included in an amount of about 30 to about 99 wt.%, about 0.1 to about 20 wt.%, and a balance amount, respectively, based on a total weight of the conductive paste. Preferred Components: The metallic glass is Cu50Zr50, Cu30Ag30Zr30Ti10, Ti50Ni15Cu32Sn3, Ti45Ni15Cu25Sn3Be7Zr5, Ni60Nb30Ta10, Ni61Zr20Nb7Al4Ta8, Ni57.5Zr35Al7.5, Mn55Al25Ni20, La55Al25Ni10Cu10, Mg65Cu7.5Ni7.5Ag5Zn5Gd10, Mg65CU15Ag10Y6Gd4, Fe77Nb6B17, Fe67Mo13B17Y3, Ca65Mg15Zn20, or Ca66.4Al33.6. The organic vehicle comprises an organic compound comprising at least one selected from a (meth)acrylate; a cellulose; a phenol; an alcohol; a tetrafluoroethylene; or its combination, and optionally further includes an additive such as a surfactant, a thickener, or a stabilizer, or its combination. Organic vehicle includes a solvent comprising at least one selected from terpineol, butylcarbitol, butylcarbitol acetate, pentanediol, dipentyne, limonene, ethyleneglycol alkylether, diethyleneglycol alkylether, ethyleneglycol alkylether acetate diethyleneglycol alkylether acetate, diethyleneglycol dialkylether acetate, triethyleneglycol alkylether acetate, triethylene glycol alkylether, propyleneglycol alkylether, propyleneglycol phenylether, dipropyleneglycol alkylether, tripropyleneglycol alkylether, propyleneglycol alkylether acetate, dipropyleneglycol alkylether acetate, tripropyleneglycol alkyl ether acetate, dimethylphthalic acid, diethylphthalic acid, dibutylphthalic acid, or desalted water. The supercooled liquid region is between a glass transition temperature and crystallization temperature of the metallic glass, and in the supercooled liquid region, the metallic glass shows a liquid-like behavior and in the supercooled liquid region, the conductive powder is diffuses into at least one of the metallic glass and the semiconductor layer. The electrode comprises a buffer layer positioned at a region which is adjacent to the semiconductor layer, and an electrode portion which is positioned at a region except the buffer layer and comprises conductive material. The buffer layer comprises a crystallized metallic glass and a crystallized conductive powder, each of which is derived from the conductive paste.