本綜述主要介紹了鈣鈦礦太陽(yáng)能電池的基本技術(shù),鈣鈦礦太陽(yáng)能電池的結(jié)構(gòu)演變,高濕度情況下穩(wěn)定性改變,鈣鈦礦太陽(yáng)能電池的進(jìn)展,其未來方向和挑戰(zhàn)等。對(duì)鈣鈦礦太陽(yáng)能電池的發(fā)展有著很大的推動(dòng)作用。
Perovskite solar cells: an emerging photovoltaic technology 共8頁(yè) 引文44篇
Nam-Gyu Park
School of Chemical Engineering and Department of Energy Science, Sungkyunkwan University (SKKU), Suwon 440-746, Republic of Korea
Perovskite solar cells based on organometal halides represent an emerging photovoltaic technology. Perovskite solar cells stem from dye-sensitized solar cells. In a liquid-based dye-sensitized solar cell structure, the adsorption of methylammonium lead halide perovskite on a nanocrystalline TiO2 surface produces a photocurrent with a power conversion efficiency (PCE) of around 3–4%, as first discovered in 2009. The PCE was doubled after 2 years by optimizing the perovskite coating conditions. However, the liquid-based perovskite solar cell receives little attention because of its stability issues, including instant dissolution of the perovskite in a liquid electrolyte. A long-term, stable, and high efficiency (~10%) perovskite solar cell was developed in 2012 by substituting the solid hole conductor with a liquid electrolyte. Efficiencies have quickly risen to 18% in just 2 years. Since PCE values over 20% are realistically anticipated with the use of cheap organometal halide perovskite materials, perovskite solar cells are a promising photovoltaic technology. In this review, the opto-electronic properties of perovskite materials and recent progresses in perovskite solar cells are described. In addition, comments on the issues to current and future challenges are mentioned. |