13,260
次編輯
變更
無編輯摘要
===运动===
半导体内的载流子有3种运动：载流子的扩散运动，载流子的热运动和载流子的漂移运动。<ref>[[[颜鲁薪主编,光伏发电技术及应用,西北工业大学出版社,2015.04,第22页]]]</ref> 漂移电流主要决定于多数载流子浓度和电场的大小；扩散电流主要决定于载流子的浓度梯度，而与浓度本身的大小无关。对于多数载流子而言，由于[[电中性]]的要求，在半导体中很难形成明显的浓度梯度，所以扩散电流往往可以忽略。多数载流子电流主要以漂移电流为主。
{| class="https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E5%A4%9A%E6%95%B0%E8%BD%BD%E6%B5%81%E5%AD%90&step_word=&hs=0&pn=15&spn=0&di=7146857200093233153&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=2560358428%2C3435693621&os=482696057%2C2430076881&simid=2560358428%2C3435693621&adpicid=0&lpn=0&ln=478&fr=&fmq=1667235954546_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined©right=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=https%3A%2F%2Fgimg2.baidu.com%2Fimage_search%2Fsrc%3Dhttp%3A%2F%2Fbkimg.cdn.bcebos.com%2Fpic%2Fa1ec08fa513d2697c25aac5753fbb2fb4316d82b%26refer%3Dhttp%3A%2F%2Fbkimg.cdn.bcebos.com%26app%3D2002%26size%3Df9999%2C10000%26q%3Da80%26n%3D0%26g%3D0n%26fmt%3Dauto%3Fsec%3D1669828033%26t%3Df3366acd98ccf07a96b5ba88b817595e&fromurl=ippr_z2C%24qAzdH3FAzdH3Fkwthj_z%26e3Bkwt17_z%26e3Bv54AzdH3Ftpj4AzdH3F%25Ec%25A9%25lA%25Em%25lc%25Ba%25Eb%25BD%25BD%25Em%25Bc%25b8%25Ec%25AD%25laAzdH3F089m8d0&gsm=1e&rpstart=0&rpnum=0&islist=&querylist=&nojc=undefined" style="float:right; margin: -10px 0px 10px 20px; text-align:left"
|<center>'''多数载流子'''<br><img