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Electrons in the semiconductor recombine with electron holes releasing energy in the form of photonsThe color of the light corresponding to the energy of the photons is determined by the energy required for electrons to cross the band gap of the semiconductor. In Myanmar please dial. Welcom To Shuang Hor Website 欢迎您光临双鹤网站 Selamat Datang Ke Laman Web Shuang Hor Selamat Datang Ke Website Shuang Hor Welcome To Shuang Hor Website Shuang Hor Online Store