n.【电子】光声伏打学，光伏学
The problem with photovoltaics remains the costs. 问题在制造光伏电能的成本上；
Furthermore, photovoltaics are not the only fast-growing form of solar power. 再者，光电电池并不是唯一使用量大增的太阳能型式。
Other researchers back a newer technology known as thin-film photovoltaics. 另一部分研究人员支持一种名为薄膜光伏电池发电的新技术。
Can Photovoltaics Play a Significant Role in the U.S. Energy Sector? 太阳光电能否在美国能源部门扮演重要角色？
The most effective material for thin-film photovoltaics so far is copper indium gallium selenide (known as CIGS). 目前为止，光电薄膜最有效的材质是铜铟硒化镓（CIGS）。
