jonction positif/négatif
/ˈpɒzɪtˌɪv ˈslaʃ ˈnɛɡətˌɪv ˈdʒʌŋkʃən/
n
English: positive/negative junction · 正负结
Sens：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.