Effects of Sn-Ag-x leveling layers on the microstructure and shear behavior of Sn-58Bi solder joint under thermal cycling

Chen, Huifeng; Liu, Yang; Zhang, Shuang; Cao, Rongxing; Xue, Yuxiong

doi:10.1007/s10854-022-09590-y

Cited by 2 publications

(1 citation statement)

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“…The combination of these two materials generated a CE that has a higher surface area, higher electrical conductivity, and higher catalytic activity than pure copper selenide. The combination of CuS QDs and Ti 3 C 2 results in a CE with superior conductivity and catalytic activity compared to CEs produced solely with one of these materials, as demonstrated by Zheng et al [184] The presence of a certain amount of CuS QDsR overgrown on the Ti 3 C 2 surface adversely affects QDSSC performance, owing to the phenomenon of particle agglomeration, which reduces the number of active sites exposed to the electrolyte.…”

Section: Composite Carbon-based Cementioning

confidence: 94%

Recent Progresses in Quantum‐Dot‐Sensitized Solar Cells: The Role of Counter Electrodes

Carvalho Junior,

Nunes,

Machado

et al. 2024

Energy Tech

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Energy demand, global warming, environmental impacts, sustainability, and energy sources are some of the concerns faced by humanity. Quantum‐dot‐sensitized solar cells (QDSSC) are an alternative solution to addressing some of these issues, in addition to reducing the costs of producing electrical energy. However, QDSSCs present stability problems and low efficiency, less than 16%. In light of this challenge, this review aims to present the main strategies adopted to reduce energy losses that occur in each component of the solar cell, with a focus on one key component: the counter electrode (CE). The CE plays a crucial role in collecting electrons and regenerating the electrolyte, thus impacting the lifespan and efficiency of QDSSCs. As such, this review discusses the main advancements in CEs based on key materials such as metal sulfides, carbonaceous materials, and composites. The efforts related to the synthesis and application of different counter electrodes for QDSSCs are explored.

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Section: Composite Carbon-based Cementioning

confidence: 94%