junta positivo/negativo
/ˈpɒzɪtˌɪv ˈslaʃ ˈnɛɡətˌɪv ˈdʒʌŋkʃən/
n
English: positive/negative junction · 正负结
Significado：Contact area in which electrons are exchanged between two layers to create an electric current; radiation moves the charges between these regions to create voltage.