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Earlier sources: Solar
This energy thread follows solar through original research, public projects, and source reports. Read the evidence below to see which developments are represented in SYMTRI’s archive.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗88 classified signals in the fourteen-day window. These counts include signals awaiting readable evidence.
Earlier sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- OpenAlex · Published · First archived
Multifunctional Optimization Strategy for High‐Efficiency Kesterite Cu 2 ZnSn(S, Se) 4 Solar Cell via Cr Doping ↗
Cation doping strategies have shown the significant potential in enhancing the open‐circuit voltage ( V OC ) of kesterite solar cells. Herein, the extra chromium (Cr) doping is used to improve the efficiency of CZTSSe solar cells by 49%. The introduction of Cr 3+ ions into the CZTSSe films can promote the cation diffusion, distributing uniformly throughout the film, and help the disappearance of voids at the back interface, increasing its ohmic contact with Mo electrode. The introduction of Cr 3+ ions can limit to generate the deep level defects by forming Cr Zn defects, help to improve the el…
- OpenAlex · Published · First archived
A symmetric bifacial photovoltaic-membrane distillation system for simultaneous freshwater and electricity generation ↗
A novel three-channel membrane distillation (MD) unit coupled with bifacial photovoltaic (PV) system (two monofacial PV cells), intended to deliver freshwater and electricity at the same time, is examined here through joint experimental testing and numerical modelling. Two PV modules (200 mm × 100 mm) were considered in the numerical model (on the upper and lower faces of the MD unit), whereas two electric heaters with a total power input of 95.4 W were used experimentally to reproduce the thermal behavior of the upper and lower PV cells. The numerical predictions showed good agreement with th…
- OpenAlex · Published · First archived
Quinoxaline derivatives modification of nickel oxide interfaces for scalable perovskite solar cells ↗
Interfacial recombination at the NiO x /perovskite interface remains a key limitation to the efficiency and scalability of perovskite solar cells (PSCs), especially under ambient-air fabrication conditions. In this study, we introduce quinoxaline-based bifunctional organic molecules containing a dicarboxylic acid functional group (Qu-COOH) or a dicyano functional group (Qu-CN) as an interfacial modifier to passivate surface defects and tune the energy alignment between NiO x and perovskite. Compared to Qu-CN, Qu-COOH-modified NiO x exhibited improved Ni 3+ /Ni 2+ ratios and deeper work functio…
- OpenAlex · Published · First archived
Numerical Design and Performance Optimization of Lead‐Free CsSnGeI 3 Perovskite Solar Cells Using Cu 2 O Hole Transport Layer via SCAPS‐1D ↗
ABSTRACT Perovskite solar cells represent an innovative photovoltaic technology, surpassing traditional silicon solar cells in efficiency, production cost, and versatility. In this study, we present silicon‐based traditional perovskite solar cells that are more flexible, more economical, and more efficient using SCAPS‐1D software. The primary objective of this research was to create environmentally benign and highly efficient perovskite solar cells. The optimal device structure, FTO/ZnS/CsSnGeI 3 /Cu 2 O/Au, consists of a CsSnGeI 3 absorber layer and ZnS as the buffer layer, electron transport…
- OpenAlex · Published · First archived
Performance Assessment of a Solar Photovoltaic and Biogas Hybrid Renewable Energy System Under a Combined Dispatch Strategy ↗
This study investigates the techno-economic and environmental performance of a hybrid renewable energy system integrating solar photovoltaic (PV), biogas, and battery storage for a large-scale abattoir in Lagos, Nigeria.Using HOMER Pro simulations, the research evaluates the effectiveness of a combined dispatch (CD) strategy that dynamically alternates between load-following and cycle-charging modes based on net load conditions and future load forecasting.The abattoir's baseline empirical daily energy consumption of 626.05 kWh/day was scaled to a design load of 2,426.4kWh/day to simulate a rob…
- OpenAlex · Published · First archived
Ag Precursor-Assisted 350 °C Growth of Cu(In,Ga)Se2 Solar Cells Based on a Three-Stage Process ↗
Abstract Lowering the growth temperature of Cu(In,Ga)Se2 (CIGS) is required for bifacial structures based on CIGS deposition on transparent conductive oxides and for CIGS tandem solar cells, but low-temperature growth generally deteriorates CIGS absorber quality and solar-cell performance. To address this issue, we introduce Ag as a precursor layer for low-temperature CIGS growth. We first vary the Ag precursor thickness to identify the optimum Ag incorporation level. Although Ag improves CIGS absorber quality, it also reduces the net acceptor density; excessive Ag incorporation therefore lead…
- OpenAlex · Published · First archived
Scenario-Based Dynamic Assessment of Rooftop Solar Photovoltaic and Heat Pump Systems for Low-Emission French Single-Family Houses ↗
Achieving the European Union’s (EU) climate neutrality targets requires residential buildings to reduce operational carbon emissions, while increasing on-site renewable generation. However, the relative contributions of rooftop photovoltaic (PV) systems with battery storage and heat pump (HP) retrofits have not been comprehensively evaluated for representative French single-family house typologies. This study assesses two representative French detached-house typologies, Mozart (single-storey) and Puccini (two-storey), across four climatic zones (Paris, Lyon, Brest, and Nice) using a scenario-b…
- OpenAlex · Published · First archived
Integrated Evaluation of Rooftop Solar Power Generation System Performance in Tropical Climate Using Geometric, Electrical, and Environmental Parameters ↗
The increasing demand for electrical energy in the commercial sector has encouraged the utilization of rooftop Photovoltaic (PV) systems as a sustainable energy solution in tropical climate regions. However, rooftop PV performance is influenced by the interaction of geometric, electrical, and environmental parameters, which may affect system efficiency. This study analyzes the performance of a rooftop PV system under tropical climate conditions using PVsyst simulation and actual monitoring data collected over 30 days. The research was conducted on an on-grid rooftop PV system with a capacity o…
- OpenAlex · Published · First archived
Experimental multi-level calibration of a silicon mini solar cell for low-cost solar irradiance measurement ↗
Abstract Accurate assessment of photovoltaic potential is essential for optimizing system integration at specific sites, requiring precise measurement of ground-level solar irradiance. However, commercially available irradiance sensors are often costly, limited in configurability for research, and require specialized calibration tools. To address these challenges, this study presents the design and development of a portable, energy-efficient, cost-effective irradiance measurement system. The device employs a small polycrystalline solar cell as the sensing element and a 10-bit microcontroller f…
- OpenAlex · Published · First archived
Synergistic coordination competition and steric hindrance for crystallization control in CsPbBr3 perovskite solar cells ↗
The performance of solution-processed CsPbBr 3 perovskite solar cells is limited by uncontrolled crystallization kinetics. Herein, we introduced acetaminophen (APAP) as a dual-functional additive that combined competitive coordination and steric hindrance. Density functional theory (DFT) calculations revealed that the carbonyl group displaced dimethylformamide (DMF) from the Pb 2+ coordination shell, reducing the coordination number from 6.0 to 4.8, whereas the rigid phenyl ring restricted ion diffusion, decreasing the Pb 2+ diffusion coefficient from 0.039 to 0.003 Å 2 ·ps −1 . This synergy s…
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How to assess evidence about Solar
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
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