硒：修订间差异

电子業对硒的需求正在減少。<ref name="Naumov" />它的[[光电|太阳能光电]]和[[光电导效应]]仍可用于[[影印機]]、<ref>{{cite journal|doi =10.1080/03086648808079729|title =Application of Selenium-Tellurium Photoconductors to the Xerographic Copying and Printing Processes|date =1988|last1 =Springett|first1 = B. E.|journal =Phosphorus and Sulfur and the Related Elements|volume =38|issue =3–4|pages =341–350}}</ref><ref>{{cite book||pages =547–548|title =Computer Systems Architecture: A Networking Approach|isbn =978-0-321-34079-5|last =Williams|first =Rob|date =2006|publisher =Prentice Hall|access-date =2019-08-10|||}}</ref><ref>{{cite book||pages =81–83|chapter =The Laser Printer|publisher =Wiley-VCH|title =Lasers|isbn =978-3-527-64005-8|last1 =Diels|first1 =Jean-Claude|last2 =Arissian|first2 =Ladan|date =2011|access-date =2019-08-10|||}}</ref><ref>{{cite book||pages =3–5|publisher =Springer|title =Organic Electronics|isbn =978-3-642-04537-0|author =Meller, Gregor|author2 =Grasser, Tibor|last-author-amp =yes|date =2009|access-date =2019-08-10|||}}</ref><!--The use of tellurium doped selenium was first challenged by amorphous silicon and now organic photosensitive polymeres took over making the selenium drums obsolete technology.--> [[光感测器|光电池]]、[[测光表|照度計]]和[[太阳能电池]]。它在單纯复印紙的機器中作为光电导体的用途，曾經是主要的应用，但在20世紀的80年代，隨著越来越多的复印機轉成使用有機光电导体，光电导体的应用下降（儘管這仍然是一个大量的最终用途）。雖然曾經被广泛使用，{{link-en|硒整流器|Selenium rectifier}}大部分已被基于矽的整流器取代（或正在被替換）。最值得注意的例外是直流电源{{link-en|突波保护|Surge protector}}，其中硒抑制器的卓越能量耐受力，使其比金属氧化物型的[[變阻器|壓敏电阻]]更適用。