ABSTRACT

Solar cells have ruled the photovoltaic industry for decades and has paved for various research pathways of new materials such as perovskites. Inorganic-organic hybrid perovskite-based solar cells have received tremendous attention over last few years. The perovskite solar cells (PSCs) are preferred over other solar cells due to their cost effectiveness and high power conversion efficiency, however their commercialization is still limited due to their instability and lead toxicity. Power conversion efficiency (PCE) of PSCs have increased tremendously as new techniques and ways are divulged for photovoltaic (PV) enhancement. In this way, plasmonic nanostructures are reported as efficient candidates while doped or embedded in the active layer of these cells. Exhibiting the surface plasmon resonance, these metallic nanostructures improve absorption spectra, light scattering in the active layer as well as the electronic properties by reducing the binding excitation energy. Furthermore, the size and shape of metallic nanostructures can have a significant effect on PCE due to tunable surface chemistry and resonance wavelength. This paper reviews the importance of PSCs in this growing energy demand era and the improvements in the performance by plasmonic nanostructures.

摘要

太阳能电池已经统治了光伏产业数十年，并为钙钛矿等新材料的各种研究途径铺平了道路。过去几年，基于无机和有机混合钙钛矿的太阳能电池受到了极大的关注。钙钛矿太阳能电池（PSC）比其他太阳能电池更具有成本效益和高功率转换效率，但由于其不稳定性和铅毒性，其商业化仍受到限制。随着为光伏（PV）增强而泄漏的新技术和方法，PSC的功率转换效率（PCE）大大提高。以这种方式，等离子纳米结构被报告为有效的候选物，同时被掺杂或嵌入这些细胞的活性层中。表现出表面等离子体共振，这些金属纳米结构通过降低结合激发能，改善了吸收光谱，活性层中的光散射以及电子性能。此外，由于可调节的表面化学性质和共振波长，金属纳米结构的尺寸和形状可能会对PCE产生重大影响。本文回顾了在这个不断增长的能源需求时代中PSC的重要性以及等离子体纳米结构对性能的改善。