Band Gap-Tailored Two-Terminal Lead-Free Germanium- and Tin-Based Single-Halide Perovskite Materials for Efficient Tandem Solar Cells DOI

Snehal Mondal,

Moitreya Chaudhury,

P. Chakrabarti

et al.

Energy & Fuels, Journal Year: 2023, Volume and Issue: 37(16), P. 12301 - 12318

Published: July 25, 2023

Metal halide perovskites owing to their excellent band gap tunability have shown great promise in designing two-terminal tandem solar cells push the limitations of single-junction devices. However, use lead perovskite absorber layers has raised several questions this field due inherent toxic nature element. Moreover, most wide-band-gap top that are used composed mixed halides (mixture iodine and bromine), leading segregation inside device affecting its long-term performance. In order address these issues, present work focuses on simulation a lead-free, single-halide, all-perovskite cell with physical understanding detail. A total 4 different 10 charge transport been evaluated for bringing out best Since plays vital role determining efficiency overall device, also contains brief summary tuning crystal via compositional engineering. It observed methylammonium germanium (MAGeI3), having thickness 930 nm, is as layer when combined FA0.75Cs0.25SnI3, which bottom 507 nm; best-performing obtained current density matching 16 mA/cm2 PCE 29.26%, thus showing lot potential future investigations.

Language: Английский

Piezoelectric and triboelectric nanogenerators: Promising technologies for self-powered implantable biomedical devices DOI
Arshad Khan, Ravindra Joshi, Manish Kumar Sharma

et al.

Nano Energy, Journal Year: 2023, Volume and Issue: 119, P. 109051 - 109051

Published: Nov. 3, 2023

Language: Английский

Citations

69
Advancements in transition metal dichalcogenides (TMDCs) for self-powered photodetectors: challenges, properties, and functionalization strategies DOI Creative Commons

Alka Rani,

Arpit Verma, B. C. Yadav

et al.

Materials Advances, Journal Year: 2024, Volume and Issue: 5(9), P. 3535 - 3562

Published: Jan. 1, 2024

This paper presents a comprehensive overview of the current landscape self-powered photodetectors, emphasizing emerging role transition metal dichalcogenides (TMDCs) as promising materials for addressing their growing need in this field.

Language: Английский

Citations

28
The potential of organic piezoelectric materials for next-generation implantable biomedical devices DOI Creative Commons
Arshad Khan, Ravindra Joshi, Manish Kumar Sharma

et al.

Nano Trends, Journal Year: 2024, Volume and Issue: 6, P. 100032 - 100032

Published: March 21, 2024

Piezoelectricity or piezoelectric effect is a phenomenon by which mechanical energy converted into electrical and vice versa. Piezoelectric has been observed in several organic materials. Therefore, past few years materials have received significant research interests biomedical applications specifically for fabrication of implantable devices because their high performance, excellent biocompatibility biodegradability, superior properties, cheap process. This article provides comprehensive review the recent progress on It extensively covers properties preparation methods different including amino acids, peptides, proteins, polysaccharides, polymers (such as PVDF, PLLA, PHB), well representative device namely biosensing, tissue regeneration, drug delivery. Finally, discusses challenges future directions this field.

Language: Английский

Citations

16
Self-powered, thermally stable Sb2Se3-based high-performance broadband photodetector DOI
Pargam Vashishtha, Ajit Dash, Kapil Kumar

et al.

Optics & Laser Technology, Journal Year: 2023, Volume and Issue: 169, P. 110114 - 110114

Published: Sept. 21, 2023

Language: Английский

Citations

37
Circularly Polarized Light-Dependent Pyro-Phototronic Effect from 2D Chiral–Polar Double Perovskites DOI
Zhou Li, Chengmin Ji, Yipeng Fan

et al.

Journal of the American Chemical Society, Journal Year: 2023, Volume and Issue: 145(46), P. 25134 - 25142

Published: Nov. 13, 2023

Chiral hybrid perovskites combine the advantages of chiral materials and halide perovskites, offering an ideal platform for design circularly polarized light (CPL) detectors. The pyro-phototronic effect, as a special mechanism photoexcited pyroelectric signal, can significantly improve performance photodetectors, whereas it remains great challenge to achieve pyroelectricity-based CPL detection. In this work, chiroptical phenomena effect are combined in chiral-polar unprecedented pyroelectric-based Two novel two-dimensional (2D) lead-free double S/R-[(4-aminophenyl)ethylamine]2AgBiI8·0.5H2O, successfully designed synthesized by introducing organic ligands into metal frameworks. Strikingly, photoresponse is substantially boosted with support showing increased current that 40 times greater than photovoltaic current. Furthermore, detector possesses excellent detection capacity distinguish different polarization states photons, which impressive glph up 0.27 at zero bias. This study provides brand new process utilizing opens avenue optoelectronic applications.

Language: Английский

Citations

32
Wide‐Bandgap Perovskite‐Inspired Materials: Defect‐Driven Challenges for High‐Performance Optoelectronics DOI Creative Commons
G. Krishnamurthy Grandhi, David Hardy, Krishnaiah Mokurala

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: unknown

Published: Oct. 2, 2023

Abstract The remarkable success of lead halide perovskites (LHPs) in photovoltaics and other optoelectronics is significantly linked to their defect tolerance, although this correlation remains not fully clear. tendency LHPs decompose into toxic lead‐containing compounds the presence humid air calls for need low‐toxicity LHP alternatives comprising cations with stable oxidation states. To aim, a plethora low‐dimensional wide‐bandgap perovskite‐inspired materials (PIMs) are proposed. Unfortunately, optoelectronic performance PIMs currently lags behind that LHP‐based counterparts, key limiting factor being high concentration defects PIMs, whose rich complex chemistry still inadequately understood. This review discusses relevant belonging elpasolite, vacancy‐ordered double perovskite, pnictogen‐based metal halide, Ag‐Bi‐I, chalcohalide families materials. defect‐driven optical charge‐carrier transport properties device within beyond especially discussed. Finally, view on potential solutions advancing research provided. insights will help tackle commercialization challenges these emerging semiconductors low toxicity intrinsic stability.

Language: Английский

Citations

28
The ferro-pyro-phototronic effect for high-performance self-powered photodetectors DOI Creative Commons
K.C. Sekhar, José Silva, Katarzyna Gwóźdź

et al.

Nano Energy, Journal Year: 2023, Volume and Issue: 118, P. 108969 - 108969

Published: Oct. 5, 2023

Self-powered photodetectors are advantageous over conventional because they can have outstanding performance in the absence of an external power source, which is important for a range applications, including Internet Things. Current research has demonstrated different types self-powered utilizing photovoltaic effect, pyroelectric piezoelectric and synergic effects, such as piezo-phototronic pyro-phototronic effects. Such effects been standard semiconductors, hybrid inorganic-organic halide perovskites all inorganic perovskites. Very recently, novel type photodetector exploring coupling between photovoltaic, ferroelectric (i.e., ferro-pyro-phototronic effect) attracted great interest, owing to excellent photo current response achieved with this triple coupling. The effect therefore be route towards improving photodetectors. Since ferroelectricity potential bring revolutionary changes many contemporary technologies, non-volatile memory, solar cells, field transistors, energy storage, harvesters, it worthwhile more detail how enhances Thus, focus review covers conducted so far on discussing recent progress development based also highlighting challenges solutions using these devices real-world applications.

Language: Английский

Citations

27
Emergence of Non‐photoresponsive Catalytic Techniques for Environmental Remediation and Energy Generation DOI
Manish Kumar Sharma, Imran Khan, Kuldeep Kaswan

et al.

Chemistry - An Asian Journal, Journal Year: 2023, Volume and Issue: 18(9)

Published: March 15, 2023

Abstract Catalysis plays a crucial role in all the major applications and challenges environment, including energy generation environmental remediation. Although photocatalysts electrocatalysts are useful addressing issues, they have some drawbacks, such as low efficiency easy charge recombination which limits their applications. Hence, it is imperative to design explore new catalytic techniques that include non‐photoresponsive catalysts. In this review, detailed possibilities, characteristics prospects of catalysts, piezocatalysts, thermocatalysts, pyrocatalysts, tribocatalysts along with hybrid catalysts described. The overall mechanism each technique its different fields generation, remediation, carbon dioxide reduction discussed.

Language: Английский

Citations

26
A Robust Pyro-phototronic Route to Markedly Enhanced Photocatalytic Disinfection DOI
Baoying Dai, Chenchen Gao, Jiahao Guo

et al.

Nano Letters, Journal Year: 2024, Volume and Issue: unknown

Published: April 12, 2024

Photocatalysis offers a direct, yet robust, approach to eradicate pathogenic bacteria. However, the practical implementation of photocatalytic disinfection faces significant challenge due low-efficiency photogenerated carrier separation and transfer. Here, we present an effective improve performance by exploiting pyro-phototronic effect through synergistic combination pyroelectric properties processes. A set comprehensive studies reveals that temperature fluctuation-induced field promotes photoexcited transfer thus facilitates generation reactive oxygen species ultimately enhances performance. It is worth highlighting constructed film demonstrated exceptional antibacterial efficiency exceeding 95% against bacteria under fluctuations light irradiation. Moreover, versatile modulation role in boosting was corroborated. This work paves way for improving harnessing potential various inherent material properties.

Language: Английский

Citations

15
Pyroelectric Photoconductive Diode for Highly Sensitive and Fast DUV Detection DOI
Xiaohu Hou, Yan Liu, Shiyu Bai

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(25)

Published: April 2, 2024

Abstract Detecting high‐energy photons from the deep ultraviolet (DUV) to X‐rays is vital in security, medicine, industry, and science. Wide bandgap (WBG) semiconductors exhibit great potential for detecting photons. However, implementation of highly sensitive high‐speed detectors based on WBG has been a huge challenge due inevitable level traps lack appropriate device structure engineering. Here, fast pyroelectric photoconductive diode (PPD), which couples interface effect with tailored polycrystal Ga‐rich GaOx (PGR‐GaOx) Schottky photodiode, first proposed. The PPD exhibits ultrahigh detection performance DUV X‐ray light. responsivity light sensitivity are up 10 4 A W −1 5 µ C Gy air cm −2 , respectively. Especially, induced by polar symmetry depletion region PGR‐GaOx can significantly improve response speed times. Furthermore, demonstrated imaging enhancement systems low power consumption high sensitivity. This work fully excavates provides novel design strategy achieve detectors.

Language: Английский

Citations

12