Journal
CRITICAL REVIEWS IN SOLID STATE AND MATERIALS SCIENCES
Volume 46, Issue 3, Pages 251-279Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10408436.2020.1758627
Keywords
Absorptivity; bandgap; charge transfer; diffusion length; photovoltaics
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The utilization of nanomaterials in optimizing perovskite solar cells to improve solar energy conversion efficiency and reduce reliance on silicon-based photovoltaic technology has shown progress. However, further research is needed to address issues such as synthetic costs, procedural complexities, and stability in order to fully realize the potential of nanocrystals and quantum dots in PSCs.
Utilization of efficient nanomaterials in perovskite solar cells (PSCs) for effectual conversion of solar energy to electrical energy has prompted the extensive progression of PSCs as a suitable alternative to silicon-based photovoltaic (PV) technologies. Most recent progressions are inclusive of nanoscale materials incorporation particularly nanocrystals (NCs) and quantum dots (QDs) with unique sizes, morphological and compositional aspects aimed at PSCs modification. In all conventional architectures of the PSCs, there are number of interfaces between the transport layers and active absorber perovskite layer. Nanocrystals and quantum dots have been employed for the interfacial engineering in PSCs owing to their remarkable optoelectronic and photo-physical characteristics favoring the facile and efficient power generation and reducing dependence on silicone-based PVs. Myriad of NCs and QDs having inorganic and/or inorganic perovskite composition have been investigated, however, the overall synthetic costs, procedural complications, current, and voltage (J-V) hysterical response and stability toward air and light needs further meticulous investigations due to which PV community has been disseminating experimental results rapidly since last few years. Considering the potential of perovskite NCs and QDs, current review has for the first time explored the most recent progressions done in utilization of these nanoscale materials in augmenting PSCs PV functionality through interface modification. Magnifying extent of nanoscale materials for PSCs modification and current investigation signifies the future candidacy of perovskite NCs and QDs as humanity gallants for provisioning of cheaper and sustainable power sources.
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