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The Shockley-Queisser limit describes the maximum solar energy conversion efficiency achievable for a particular material and is the standard by which new photovoltaic technologies are compared. This limit is based on the principle of…

Optics · Physics 2014-12-04 Yunlu Xu , Tao Gong , Jeremy N. Munday

The theoretical analysis of photovoltaic conversion efficiency of highly effective silicon solar cells (SC) is performed for n-type and p-type bases. The case is considered when the Shockley-Read-Hall recombination in the silicon bulk is…

The Shockley and Queisser limit, a well-known efficiency limit for a solar cell, is based on unrealistic physical assumptions and its maximum limit is seriously overestimated. To understand the power loss mechanisms of record-efficiency…

Applied Physics · Physics 2019-08-28 Yoshitsune Kato , Shohei Fujimoto , Masayuki Kozawa , Hiroyuki Fujiwara

The Shockley-Queisser (SQ) limit provides a convenient metric for predicting light-to-electricity conversion efficiency of a solar cell based on the band gap of the light-absorbing layer. In reality, few materials approach this radiative…

Computational Physics · Physics 2020-05-22 Sunghyun Kim , José A. Márquez , Thomas Unold , Aron Walsh

The intermediate band solar cell (IBSC) and quantum ratchet solar cell (QRSC) have the potential to surpass the efficiency of standard single-junction solar cells by allowing sub-gap photon absorption through states deep inside the band…

Applied Physics · Physics 2020-06-24 Emily Z. Zhang , Jacob J. Krich

Silicon solar cells dominate the solar cell market with record lab efficiencies reaching almost 26%. However, after 60 years of research, this efficiency saturated close to the theoretical limit for silicon, and radically new approaches are…

Other Condensed Matter · Physics 2018-01-30 Luis M. Pazos , Ju Min Lee , Anton Kirch , Maxim Tabachnyk , Richard H. Friend , Bruno Ehrler

In this paper, we present a mathematical approach in estimating transition energy of type-I core-shell quantum dots (CSQDs) in strong and weak confinement of charge carriers within the core materials. We will do this by using effective-mass…

Mesoscale and Nanoscale Physics · Physics 2019-05-24 T. Shelawati , M. S. Nurisya , C. Kar Tim , A. K. Mazliana

The Shockley-Queisser (SQ) limit, introduced by W. Shockley and H. J. Queisser in 1961, is the most well-established fundamental efficiency limit for single-junction photovoltaic solar cells. For widely-studied semiconductors such as Si,…

Applied Physics · Physics 2021-06-09 Qian Zhou , Arfa Karani , Yaxiao Lian , Baodan Zhao , Richard H. Friend , Dawei Di

The purpose of this work is to look for a practical structure for application of quantum dots (QD) in solar cells in order to enhance sub-band gap photon absorption. We focuse on a stack of strain-compensated GaSb/GaAs type-II QDs. We…

Mesoscale and Nanoscale Physics · Physics 2014-10-17 A. Kechiantz , A. Afanasev , J. -L. Lazzari

Making solution-cast organic solar cells industrially available generally comes at the cost of significant performance losses compared to device prototypes manufactured under laboratory conditions. Adjusting solvent evaporation kinetics is…

The p-type amorphous/ n-type crystalline silicon (P+ a-Si/N+ c-Si) heterojunction was simulated for developing the solar cells with high conversion efficiency and low cost. The characteristic of such cells with different work function of…

Materials Science · Physics 2013-09-05 Chen AQing , Zhu KaiGui

To obtain significant increases in the Power Conversion Efficiency (PCE) of solar cells, future cell research and development should be based on the concomitant improvement of multiple material properties, rather than on the…

Applied Physics · Physics 2021-08-11 Manfred Georg Kratzenberg , Ricardo Ruther , Carlos Renato Rambo

A modified detailed balance model is built to understand and quantify efficiency loss of perovskite solar cells. The modified model captures the light-absorption dependent short-circuit current, contact and transport-layer modified carrier…

In this paper we study CdS/CdTe solar cells by means of AMPS-1D software. First we study the effect of thickness of semiconductor layers on the output parameters of the CdS/CdTe solar cell, such as density of short-circuit current, open…

Instrumentation and Detectors · Physics 2016-02-05 Ashrafalsadat S. Mirkamali , Khikmat Kh. Muminov

A coupled optoelectronic model was implemented along with the differential evolution algorithm to assess the efficacy of grading the bandgap of the CZTSSe layer for enhancing the power conversion efficiency of thin-film CZTSSe solar cells.…

Applied Physics · Physics 2020-04-07 Faiz Ahmad , Akhlesh Lakhtakia , Tom H. Anderson , Peter B. Monk

In a recent paper, Guillemoles et al [J.F. Guillemoles, T. Kirchartz, D. Cahen and U Rau, Guide for the perplexed to the Shockley-Queisser model for solar cells, Nat. Photonics, 13, 501 (2019)] attempt to clarify and explain the often cited…

Applied Physics · Physics 2019-11-22 Tom Markvart

The ideal solar cell conversion efficiency limit known as the Shockley-Queisser (SQ) limit, which is based on a detailed balance between absorption and radiation, has long been a target for solar cell researchers. While the theory for this…

Applied Physics · Physics 2018-11-07 Kenji Kamide , Toshimitsu Mochizuki , Hidefumi Akiyama , Hidetaka Takato

This paper proposes an efficient three-layered p-GaAs/p-CIGS/n-CdS (PPN), a unique solar cell architecture. Copper indium gallium selenide (CIGS)-based solar cells exhibit substantial performance than the ones utilizing cadmium sulfide…

Systems and Control · Electrical Eng. & Systems 2023-09-15 Satyam Bhatti , Habib Ullah Manzoor , Ahmed Zoha , Rami Ghannam

The selfconsistent model for the temperature dependence of photoconversion efficiency $\eta$ for highly efficient silicon solar cells (SCs) is developed. It is demonstrated that effect of the efficiency decrease due to increasing…

Magnetic particle hyperthermia, in which colloidal nanostructures are exposed to an alternating magnetic field, is a promising approach to cancer therapy. Unfortunately, the clinical efficacy of hyperthermia has not yet been optimized.…

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