Eco-friendly and ultrathin solar cells featuring nanocrystals: advances and perspectives

Wang, Jingjing; Liu, Junwei; Yin, Hang; Li, Sunsun; Kuvondikov, Vakhobjon; Ye, Long

doi:10.1039/d3qm00334e

Mater. Chem. Front.

2023

DOI: 10.1039/d3qm00334e

|View full text |Cite

Eco-friendly and ultrathin solar cells featuring nanocrystals: advances and perspectives

Jingjing Wang¹,

Junwei Liu²,

Hang Yin³

et al.

Abstract: Eco-friendly nanocrystals have attracted worldwide attention in recently years due to the ultrahigh absorption coefficient, broad absorbance range and non-toxic atoms of heavy metals e.g., lead and cadmium. With these...

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2024

Publication Types

Select...

Article5

Relationship

Self Cite0

Independent5

Authors

Journals

Cited by 8 publications

References 93 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Solution‐Crystalized AgBiS₂ Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm⁻²

Cojocaru,

Jena,

Yamamiya

et al. 2024

Advanced Science

View full text Add to dashboard Cite

In response to the toxic heavy metal absorbers in perovskite solar cells (PSCs), this work focuses on the development of an environmentally friendly simple solution‐processed infrared (IR) absorber. In this work, a simple solution‐crystallized IR‐absorbing AgBiS2 film is reported by spin‐coating silver, bismuth nitrates, and thiourea dissolved in dimethylformamide (DMF) to produce thick AgBiS2 film. Extensive optimization of the precursor concentrations thicknesses and conductive substrates used allow for obtaining 250 nm AgBiS2 film with different crystal sizes. When applied as an absorber in solar cells, solution‐crystalized AgBiS2 thick film delivers an extraordinarily high current density of over 31 mA cm−2. The devices show high stability under continuous 100 mW cm−2 illumination and when stored in the dark for more than six months. When the AgBiS2 layer is fabricated in a gradient fashion combining one layer of 0.25 m and three layers of 0.5 m precursor concentrations, the efficiency of 5.15% is registered which is the highest reported for the simple solution‐crystallized AgBiS2 films.

show abstract

Solution‐Crystalized AgBiS₂ Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm⁻²

Cojocaru,

Jena,

Yamamiya

et al. 2024

Advanced Science

View full text Add to dashboard Cite

show abstract

Solvent‐Engineering‐Assisted Ligand Exchange Strategy for High‐Efficiency AgBiS₂ Quantum Dot Solar Cells

Zhong,

Zhao,

et al. 2024

Angewandte Chemie

View full text Add to dashboard Cite

As the initial synthesized colloidal quantum dots (CQDs) are generally capped with insulating ligands, ligand exchange strategies are essential in the fabrication of CQD films for solar cells, which can regulate the surface chemical states of CQDs to make them more suitable for thin‐film optoelectronic devices. However, uncontrollable surface adsorption of water molecules during the ligand exchange process introduces new defect sites, thereby impairing the resultant device performance, which attracts more efforts devoted to it but remains a puzzle. Here, we develop a solvent‐engineering‐assisted ligand exchange strategy to revamp the surface adsorption, improve the exchange efficiency, and modulate the surface chemistry for the environmentally friendly lead‐free silver bismuth disulfide (AgBiS2) CQDs. The optimized AgBiS2 CQD solar cells deliver an outstanding champion power conversion efficiency (PCE) of up to 8.95 % and improved long‐term stability. Our strategy is less environment‐dependent and can produce solar cells with negligible performance variance for several batches across several months. Our work demonstrates the critical role of solvents for ligand exchange in the surface chemistry of CQDs and the realization of high‐performance photovoltaic devices in a highly reproducible manner.

show abstract

Direct Synthesis of Semiconductive AgBiS₂ NC Inks toward High‐Efficiency, Low‐Cost and Environmental‐Friendly Solar Cells

Yuan,

Li,

Liu

et al. 2024

Angewandte Chemie

View full text Add to dashboard Cite

Silver bismuth sulfide nanocrystals (AgBiS2 NCs) embody a pioneering heavy‐metal‐free photovoltaic material renowned for its ultrahigh absorption coefficient, offering promising opportunities for advancing the field of ultra‐thin and biocompatible solar cells. Currently, the fabrication of AgBiS2 NC photovoltaic devices relies on hot‐injection synthesis and subsequent tedious ligand exchange, leading to high production cost, complex processes and environmental pollution. Here, we developed a direct‐synthesis (DS) method without ligand‐exchange for AgBiS2 NC semiconductive inks, significantly simplifying the material preparation and device fabrication processes. The synthesis cost of AgBiS2 inks (17.0 $ g−1) is over an order of magnitude lower than the traditional method (203.5‐275.2 $ g−1). Through optimizing synthesis and device structure, a champion power conversion efficiency of 9.32% was achieved, aligning with the highest reported efficiency (9.17%) based on ligand‐exchanged methods. In addition, our DS‐AgBiS2 inks show excellent storage stability for over ten months. More importantly, the life cycle assessment (LCA) indicates drastically reduced energy consumption as well as environmental and human health impact for our strategy. The low‐cost and scalable synthesis approach for AgBiS2 NC semiconductive inks present a “greener”pathway for the commercial applications of NC optoelectronics.

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Eco-friendly and ultrathin solar cells featuring nanocrystals: advances and perspectives

Abstract: Eco-friendly nanocrystals have attracted worldwide attention in recently years due to the ultrahigh absorption coefficient, broad absorbance range and non-toxic atoms of heavy metals e.g., lead and cadmium. With these...

Cited by 8 publications

References 93 publications

Solution‐Crystalized AgBiS₂ Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm⁻²

Solution‐Crystalized AgBiS₂ Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm⁻²

Solvent‐Engineering‐Assisted Ligand Exchange Strategy for High‐Efficiency AgBiS₂ Quantum Dot Solar Cells

Direct Synthesis of Semiconductive AgBiS₂ NC Inks toward High‐Efficiency, Low‐Cost and Environmental‐Friendly Solar Cells

Contact Info

Product

Resources

About

Eco-friendly and ultrathin solar cells featuring nanocrystals: advances and perspectives

Abstract: Eco-friendly nanocrystals have attracted worldwide attention in recently years due to the ultrahigh absorption coefficient, broad absorbance range and non-toxic atoms of heavy metals e.g., lead and cadmium. With these...

Cited by 8 publications

References 93 publications

Solution‐Crystalized AgBiS2 Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm−2

Solution‐Crystalized AgBiS2 Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm−2

Solvent‐Engineering‐Assisted Ligand Exchange Strategy for High‐Efficiency AgBiS2 Quantum Dot Solar Cells

Direct Synthesis of Semiconductive AgBiS2 NC Inks toward High‐Efficiency, Low‐Cost and Environmental‐Friendly Solar Cells

Contact Info

Product

Resources

About

Solution‐Crystalized AgBiS₂ Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm⁻²

Solution‐Crystalized AgBiS₂ Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm⁻²

Solvent‐Engineering‐Assisted Ligand Exchange Strategy for High‐Efficiency AgBiS₂ Quantum Dot Solar Cells

Direct Synthesis of Semiconductive AgBiS₂ NC Inks toward High‐Efficiency, Low‐Cost and Environmental‐Friendly Solar Cells