The carrier concentration of surface after CO2 laser irradiation can exceed the solid solubility limit.
经过激光处理后样品表面一薄层载流子浓度超过了杂质的固溶度极限。
However, poor solubility and low light absorption efficiency of organic photovoltaic materials limit the applications in solar cells.
但是有机光伏材料的溶解性差、对光的吸收效率低，制约了其在太阳能电池中的应用。
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