中文摘要：

在比较有机太阳电池与无机太阳电池不同工作原理的基础上，详细分析了限制有机太阳电池效率提高的瓶颈因素，结合介绍最新进展，指出了解决途径，并对未来发展趋势进行了展望。

英文摘要：

By analyzing the different working principles between organic solar cells and inorganic solar cells, the critical factors restricting the power conversion efficiency of organic solar cells were discussed in detail. With the reviewing of the recent progresses in the field, the strategies to solve the present technical hurdles were pointed out, and the prospects of organic solar cells were forecasted.