Hole Transporting Layers in Printable Solar Cells

Curiel, David; Más‐Montoya, Miriam

doi:10.1002/9781119283720.ch4

Cited by 1 publication

(1 citation statement)

References 225 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…HTL’s central role is the efficient hole extraction and transport from the HTL/active interface to the anode/HTL interface, increasing power generation [ 70 ]. To achieve high-performance OSCs, the materials used for HTLs need to show (i) high WF that matches with the HOMO energy level of the donor material and the anode energy level, (ii) transparency to increase the light absorption by the active layer, (iii) high hole mobility to lower the charge accumulation and recombination, (iv) a large band gap to block electron carriers, and (v) chemical resistance to external factors [ 38 , 71 , 72 ]. The first materials used as HTLs in OSCs were inorganic p-type transition metal oxides (MoO 3 , WO 3 , NiO, Fe 3 O 4 ) or metal sulfides (MoS 2 ), which showed high stability and performance [ 73 , 74 , 75 , 76 , 77 ].…”

Section: Hole-transporting Layersmentioning

confidence: 99%

Recent Advances in Hole-Transporting Layers for Organic Solar Cells

et al. 2022

View full text Add to dashboard Cite

Global energy demand is increasing; thus, emerging renewable energy sources, such as organic solar cells (OSCs), are fundamental to mitigate the negative effects of fuel consumption. Within OSC’s advancements, the development of efficient and stable interface materials is essential to achieve high performance, long-term stability, low costs, and broader applicability. Inorganic and nanocarbon-based materials show a suitable work function, tunable optical/electronic properties, stability to the presence of moisture, and facile solution processing, while organic conducting polymers and small molecules have some advantages such as fast and low-cost production, solution process, low energy payback time, light weight, and less adverse environmental impact, making them attractive as hole transporting layers (HTLs) for OSCs. This review looked at the recent progress in metal oxides, metal sulfides, nanocarbon materials, conducting polymers, and small organic molecules as HTLs in OSCs over the past five years. The endeavors in research and technology have optimized the preparation and deposition methods of HTLs. Strategies of doping, composite/hybrid formation, and modifications have also tuned the optical/electrical properties of these materials as HTLs to obtain efficient and stable OSCs. We highlighted the impact of structure, composition, and processing conditions of inorganic and organic materials as HTLs in conventional and inverted OSCs.

show abstract