quantum dot
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2022 ◽  
Vol 26 ◽  
pp. 101358
Author(s):  
Jian Zhang ◽  
Zhiwei Li ◽  
Yaocai Bai ◽  
Yadong Yin

2022 ◽  
Vol 140 ◽  
pp. 106374
Author(s):  
Yuan Ai ◽  
Xiaowei Liu ◽  
Baoshuo Yang ◽  
Qian Li ◽  
Sheng Liu

2022 ◽  
Vol 295 ◽  
pp. 110772
Author(s):  
Tomohiro Jishi ◽  
Takashi Ishii ◽  
Kazuhiro Shoji

Author(s):  
Ahmed Thabet ◽  
Safaa Abdelhady ◽  
Youssef Mobarak

<span>This paper investigates on new design of heterojunction quantum dot (HJQD) photovoltaics solar cells CdS/PbS that is based on quantum dot metallics PbS core/shell absorber layer and quantum dot window layer. It has been enhanced the performance of traditional HJQD thin film solar cells model based on quantum dot absorber layer and bulk window layer. The new design has been used sub-micro absorber layer thickness to achieve high efficiency with material reduction, low cost, and time. Metallics-semiconductor core/shell absorber layer has been succeeded for improving the optical characteristics such energy band gap and the absorption of absorber layer materials, also enhancing the performance of HJQD ITO/CdS/QDPbS/Au, sub micro thin film solar cells. Finally, it has been formulating the quantum dot (QD) metallic cores concentration effect on the absorption, energy band gap and electron-hole generation rate in absorber layers, external quantum efficiency, energy conversion efficiency, fill factor of the innovative design of HJQD cells.</span>


2022 ◽  
Vol 149 ◽  
pp. 107864
Author(s):  
Suk-Ho Song ◽  
Jae-In Yoo ◽  
Hyo-Bin Kim ◽  
Yong-Sang Kim ◽  
Sang Soo Kim ◽  
...  

Electronics ◽  
2022 ◽  
Vol 11 (2) ◽  
pp. 276
Author(s):  
Yuri Ardesi ◽  
Giuliana Beretta ◽  
Marco Vacca ◽  
Gianluca Piccinini ◽  
Mariagrazia Graziano

The molecular Field-Coupled Nanocomputing (FCN) is a promising implementation of the Quantum-dot Cellular Automata (QCA) paradigm for future low-power digital electronics. However, most of the literature assumes all the QCA devices as possible molecular FCN devices, ignoring the molecular physics. Indeed, the electrostatic molecular characteristics play a relevant role in the interaction and consequently influence the functioning of the circuits. In this work, by considering three reference molecular species, namely neutral, oxidized, and zwitterionic, we analyze the fundamental devices, aiming to clarify how molecule physics impacts architectural behavior. We thus examine through energy analysis the fundamental cell-to-cell interactions involved in the layouts. Additionally, we simulate a set of circuits using two available simulators: SCERPA and QCADesigner. In fact, ignoring the molecular characteristics and assuming the molecules copying the QCA behavior lead to controversial molecular circuit proposals. This work demonstrates the importance of considering the molecular type during the design process, thus declaring the simulators working scope and facilitating the assessment of molecular FCN as a possible candidate for future digital electronics.


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