PV Cell and Module Measurement Techniques

A special issue of Solar (ISSN 2673-9941).

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 3756

Special Issue Editors

Dipartimento di Ingegneria Elettrica, Elettronica e Informatica, University of Catania, Viale A. Doria, 69515 Catania, Italy
Interests: probabilistic models; non-programmable energy sources; photovoltaic systems; electricity markets; floating photovoltaic
Department of Electrical, Electronics and Computer Engineering (DIEEI), University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
Interests: artificial intelligence; neural networks; soft sensors; ionic polymeric transducers; sensor modelling and characterization; mechanical sensors; energy harvesting; smart materials; smart sensing systems
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Special Issue Information

Dear Colleagues,

In recent years, there have been revolutionary changes in the architecture of crystalline silicon modules for PV cells’ realization. More sophisticated assembly schemes have been proposed to reduce cell-to-module losses related to dead zones, and resistive losses (e.g., bifacial cell architectures, assembly of half-cells, partially overlapping cell architectures, the use of cells of different sizes, silicon-based heterojunction technologies (HJT)) have been reported. Increasing the availability and efficiency of PV systems during the useful life of the photovoltaic field imposes monitoring and diagnostic techniques, which are capable of identifying and eliminating the anomalous conditions related to failure. As linear power performance warranties on modules have become commonplace in the PV industry, the power plants are scanned at regular intervals to identify underperforming PV modules for replacement.

Environmental measurements and electrical/thermal measurements of PV cells and modules play a fundamental role in modeling and optimizing the performance of photovoltaic cells and modules, both in the laboratory and in the field. In the latter case, the problem of reporting measurements under reference conditions is a crucial issue when analyzing long-term aging phenomena.

In this context, contributions on the following topics are encouraged:

  • Electrical and thermal characterization of traditional and innovative PV cells;
  • New measurement techniques for PV cells and modules;
  • Processing of measures;
  • Models development;
  • Physical model and data-driven model
  • Indices for determining performance;
  • I-V curves;
  • Warranty measurements;
  • Fault and aging measurements.

Prof. Dr. Giuseppe Marco Tina
Prof. Dr. Salvatore Graziani
Guest Editors

Manuscript Submission Information

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Keywords

  • solar system
  • photovoltaic
  • experimental investigation and validation
  • efficiency
  • reliability
  • modeling
  • I-V curve
  • warranty
  • thermal measurements
  • electrical measurements

Published Papers (1 paper)

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Research

20 pages, 8529 KiB  
Article
Insights from Density Functional Theory on the Feasibility of Modified Reactive Dyes as Dye Sensitizers in Dye-Sensitized Solar Cell Applications
Solar 2022, 2(1), 12-31; https://doi.org/10.3390/solar2010002 - 17 Feb 2022
Cited by 16 | Viewed by 2997
Abstract
Recently, reactive dyes have attracted a lot of attention for dye-sensitized solar cell applications. This study endeavors to design dye sensitizers with enhanced efficiency for photovoltaic cells by modifying the reactive blue 5 (RB 5) and reactive brown 10 (RB 10) dyes. Three [...] Read more.
Recently, reactive dyes have attracted a lot of attention for dye-sensitized solar cell applications. This study endeavors to design dye sensitizers with enhanced efficiency for photovoltaic cells by modifying the reactive blue 5 (RB 5) and reactive brown 10 (RB 10) dyes. Three different strategies were used to design the sensitizers, and their efficiency was compared using the density functional theory (DFT). The optimized geometry, bang gap values, the density of states, electrostatic potential surface analysis, and theoretical FT-IR absorption spectra of the sensitizers were obtained. In the first strategy, functional groups (electron-donating (C2H5), electron-withdrawing (–NO2) groups) were anchored onto dye molecules, and their effect on the charge transport properties was evaluated using the DFT analysis. The latter two designs were based on a donor-π-acceptor strategy. The second design consisted of intramolecular donor-acceptor regions separated by a benzodithiophene-based π-spacer. In the third strategy, an external acceptor unit was attached to the dye molecules through the benzodithiophene-based π-spacer. The electron-donating strengths of donor moieties in the donor-π-acceptor systems were studied using B3LYP/6-31G level DFT calculations. The quantum chemical analysis of the three designs revealed that the anchoring of functional groups (–NO2 and C2H5) on the dye molecules showed no impact on the charge transport properties. The introduction of a benzodithiophene-based π-spacer improved the conjugation of the dye sensitizers, which enhanced the electron transport properties. The electron transport properties further improved when an external acceptor unit was attached to the dye molecule containing a π-spacer. It was thus concluded that attaching an external acceptor unit to the donor dye molecule containing a π-spacer produced desired results for both of the dyes. Full article
(This article belongs to the Special Issue PV Cell and Module Measurement Techniques)
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