Dual Effects of Slow Recrystallization and Defects Passivation Achieve Efficient Tin-Based Perovskite Solar Cells with Good Stability Up to One Year

Article Chemistry, Multidisciplinary

Acetic Acid-Assisted Synergistic Modulation of Crystallization Kinetics and Inhibition of Sn2+ Oxidation in Tin-Based Perovskite Solar Cells

Yang Su et al.

Summary: This study introduces acetic acid as an additive to achieve high-quality preparation of tin-based perovskite films, effectively reducing defect density and lattice distortion, thus improving the efficiency of solar cells.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Tin Halide Perovskites: From Fundamental Properties to Solar Cells

Matteo Pitaro et al.

Summary: Metal halide perovskites, particularly tin-based compounds, show promise for optoelectronic applications, with lead-based compounds being toxic and harmful to the environment. Although tin-based perovskites offer advantages such as near-optimal bandgap and good charge carrier mobilities, their efficiency is currently limited by low defect tolerance, fast crystallization, and oxidative instability. Efforts are being made to improve tin-based perovskite solar cells, focusing on strategies to enhance device performances and address existing challenges in a concerted manner.

ADVANCED MATERIALS (2022)

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Article Chemistry, Physical

Lewis Base Plays a Double-Edged-Sword Role in Trap State Engineering of Perovskite Polycrystals

Xinli Wang et al.

Summary: We report the double-edged-sword effect of the thiourea additive on the trap state distribution of perovskite polycrystalline films, and demonstrate its significance in optimizing the photophysical performance through experimental validation.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2022)

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Article Chemistry, Multidisciplinary

High Open Circuit Voltage Over 1 V Achieved in Tin-Based Perovskite Solar Cells with a 2D/3D Vertical Heterojunction

Tianyue Wang et al.

Summary: Researchers have demonstrated a stacked quasi-2D-3D double-layered structure in perovskite films prepared using vacuum treatment. The introduction of guanidinium thiocyanate additive improves the crystallinity and carrier mobility, leading to high efficiency lead-free perovskite solar cells.

ADVANCED SCIENCE (2022)

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Article Energy & Fuels

Guanidine Thiocyanate-Induced High-Quality Perovskite Film for Efficient Tin-Based Perovskite Solar Cells

Shoudeng Zhong et al.

Summary: In this study, guanidine thiocyanate (GASCN) was used as an additive to regulate the quality of tin-based perovskite film and fabricate efficient and stable perovskite solar cells. The results showed that GASCN could inhibit the oxidation of Sn2+, passivate the trap states of perovskite film, and improve the performance of the solar cells.

SOLAR RRL (2022)

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Article Chemistry, Multidisciplinary

Metal-Free PAZE-NH4X3•H2O Perovskite for Flexible Transparent X-ray Detection and Imaging

Zhizai Li et al.

Summary: Metal-free perovskites have attracted attention for their chemical diversity and eco-friendly properties, and have recently been used for X-ray detection with superior carrier behavior. By introducing multiple hydrogen bonds, we successfully synthesized a metal-free perovskite with enhanced lattice stability and inhibited ionic migration. This material exhibits low trap density, high mu tau products, and structural flexibility, enabling a flexible X-ray detector with high sensitivity, low detection limit, and superior spatial resolution.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Chemistry, Applied

Enhanced efficiency and stability in Sn-based perovskite solar cells by trimethylsilyl halide surface passivation

Zheng Zhang et al.

Summary: This study proposes an effective strategy based on trimethylsilyl halide surface passivation to enhance the film quality and stability of lead-free tin perovskite solar cells (PKSCs). The efficiency and stability of the solar cells were significantly improved after applying this strategy.

JOURNAL OF ENERGY CHEMISTRY (2022)

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Article Chemistry, Physical

Suppressing the formation of tin vacancy yields efficient lead-free perovskite solar cells

Shurong Wang et al.

Nano Energy (2022)

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Article Chemistry, Multidisciplinary

Multidentate Chelation Heals Structural Imperfections for Minimized Recombination Loss in Lead-Free Perovskite Solar Cells

Gengling Liu et al.

Summary: By incorporating 2-Guanidinoacetic acid (GAA), a new biocompatible chelating agent, the structural imperfections of Sn perovskites can be healed, resulting in improved efficiency and lifespan.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2022)

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Article Chemistry, Physical

Synergistic effect of two hydrochlorides resulting in significantly enhanced performance of tin-based perovskite solar cells with 3D to quasi-2D structural transition

Tianhao Li et al.

Summary: The study successfully suppressed the oxidation of Sn2+ and decelerated the crystallization rate of the film by introducing two functional additives, resulting in high-quality quasi-2D perovskite films. Experimental evidence showed that DEA(+) is more beneficial for carrier transfer, and under the synergistic effect of the two hydrochlorides, a highly stable Sn-based perovskite device with a champion power conversion efficiency of 9.5% was achieved.

JOURNAL OF MATERIALS CHEMISTRY A (2022)

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Article Materials Science, Multidisciplinary

Chemo-thermal surface dedoping for high-performance tin perovskite solar cells

Jianheng Zhou et al.

Summary: In this study, a surface-dedoping approach is used to enhance the efficiency of tin perovskite solar cells. By optimizing the film morphology, negative effects are avoided. The method also improves carrier lifetime and reduces trap density, resulting in higher device efficiency. Furthermore, the tin perovskite solar cells exhibit stability even after long-term storage.

MATTER (2022)

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Article Chemistry, Multidisciplinary

Dually-Passivated Perovskite Solar Cells with Reduced Voltage Loss and Increased Super Oxide Resistance

Qin Zhou et al.

Summary: In recent years, the power conversion efficiency of perovskite solar cells has rapidly improved, but defects at the grain boundaries and surfaces remain a challenge. A dual-passivation strategy effectively reduces defect density, enhancing device performance and stability.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Crystallization Kinetics Modulation of FASnI3 Films with Pre-nucleation Clusters for Efficient Lead-Free Perovskite Solar Cells

Xiangyue Meng et al.

Summary: The crystallization kinetics of tin halide perovskites were modulated through a non-classical nucleation mechanism, leading to improved efficiency and stability of lead-free perovskite solar cells.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2021)

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Article Chemistry, Multidisciplinary

Suppression of Nonradiative Recombination by Vacuum-Assisted Process for Efficient Lead-Free Tin Perovskite Solar Cells

Zhenxi Wan et al.

Summary: The study reports a strategy of vacuum-assisted treatment of the Sn perovskite layer to self-heal defects in Sn perovskite, resulting in improved PCE, V-OC, and FF of Sn-based PVSCs. This work suggests a facile approach to inhibit defects in Sn-based devices, promoting the development of highly efficient Sn-based PVSCs.

ADVANCED MATERIALS INTERFACES (2021)

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Article Materials Science, Multidisciplinary

Hydroxyl-Rich d-Sorbitol to Address Transport Layer/Perovskite Interfacial Issues toward Highly Efficient and Stable 2D/3D Tin-Based Perovskite Solar Cells

Junwen Chen et al.

Summary: Doping hydroxyl-rich d-sorbitol into the hole transport layer PEDOT:PSS can effectively address the interfacial issues between PEDOT:PSS and perovskite, resulting in high-quality and stable perovskite films. This method reduces trap states density, suppresses iodide ions migration, and improves the performance and stability of PSCs.

ADVANCED OPTICAL MATERIALS (2021)

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Article Chemistry, Physical

Suppression of Sn2+/Sn4+ oxidation in tin-based perovskite solar cells with graphene-tin quantum dots composites in active layer

Tahmineh Mahmoudi et al.

Summary: By incorporating a composite of reduced graphene oxide and Sn quantum dots into the active layer, the proposed approach successfully suppresses Sn2+/Sn4+ oxidation and recombination, leading to increased efficiency and improved stability of tin halide perovskite solar cells.

NANO ENERGY (2021)

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Article Chemistry, Multidisciplinary

Heterogeneous 2D/3D Tin-Halides Perovskite Solar Cells with Certified Conversion Efficiency Breaking 14%

Bin-Bin Yu et al.

Summary: By modulating the microstructure of 2D/3D heterogeneous tin-perovskite absorber films through substituting FAI with FPEABr, the oxidation of Sn2+ to Sn4+ and defect density were effectively suppressed, leading to a remarkable increase in conversion efficiency from 9.38% to 14.81%.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

One-Step Synthesis of SnI2•(DMSO)x Adducts for High-Performance Tin Perovskite Solar Cells

Xianyuan Jiang et al.

Summary: This study improved the electron diffusion length and structural homogeneity of tin halide perovskite materials using a synthetic route, resulting in solar cells with a power conversion efficiency of 14.6%.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Review Chemistry, Physical

Controlling the Crystallization Kinetics of Lead-Free Tin Halide Perovskites for High Performance Green Photovoltaics

Junfang Wang et al.

Summary: Tin halide perovskites are promising candidates for lead-free perovskite solar cells due to their low toxicity, ideal energy bandgap, high charge carrier mobility, and long hot carrier lifetime. However, the certified efficiency of tin halide PSCs has not yet reached the theoretical expectation, largely due to the poor quality of the perovskite films. This review focuses on the crystallization kinetics of tin halide perovskites, discussing methods for improving film quality and presenting current challenges and prospects.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Exploring the Effect of Lewis-Base Additives on the Performance and Stability of Mesoscopic Carbon-Electrode Perovskite Solar Cells

M. Bidikoudi et al.

Summary: The use of thiourea and urea compounds as additives in Cs-containing mixed-cation, mixed-halide perovskite precursor solution has shown significant improvement in efficiency and film quality of carbon-electrode perovskite solar cells. The optimized additive content resulted in a notable increase in power conversion efficiency and enhanced performance of the devices with triple mesoscopic structure, without the presence of any hole transport layer. The stability study revealed high stability of all devices, with thiourea-containing devices showing a potential increase in efficiency after 48 days of storage due to time-induced recrystallization phenomena.

ACS APPLIED ENERGY MATERIALS (2021)

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Article Materials Science, Multidisciplinary

Illumination Durability and High-Efficiency Sn-Based Perovskite Solar Cell under Coordinated Control of Phenylhydrazine and Halogen Ions

Chengbo Wang et al.

Summary: The illumination stability and efficiency of Sn-based perovskites have been substantially improved by synergistically introducing phenylhydrazine cation and halogen anions, resulting in a device with a power conversion efficiency of 13.4% and excellent long-term durability. This method offers a universal approach for enhancing the performance of Sn-based perovskites.

MATTER (2021)

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Article Nanoscience & Nanotechnology

Regulated Crystallization of Efficient and Stable Tin-Based Perovskite Solar Cells via a Self-Sealing Polymer

Gengling Liu et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Chemistry, Multidisciplinary

Tin and Mixed Lead-Tin Halide Perovskite Solar Cells: Progress and their Application in Tandem Solar Cells

Shuai Gu et al.

ADVANCED MATERIALS (2020)

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Article Multidisciplinary Sciences

Ultra-high open-circuit voltage of tin perovskite solar cells via an electron transporting layer design

Xianyuan Jiang et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Physical

Highly Reproducible and Efficient FASnl3 Perovskite Solar Cells Fabricated with Volatilizable Reducing Solvent

Xiangyue Meng et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2020)

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Article Chemistry, Physical

Ligand Orientation-Induced Lattice Robustness for Highly Efficient and Stable Tin-Based Perovskite Solar Cells

Peizhou Li et al.

ACS ENERGY LETTERS (2020)

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Article Energy & Fuels

Orientation Regulation of Photoactive Layer in Tin-Based Perovskite Solar Cells with Allylammonium Cations

Ziran Zhao et al.

SOLAR RRL (2020)

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Article Chemistry, Multidisciplinary

Dual Coordination of Ti and Pb Using Bilinkable Ligands Improves Perovskite Solar Cell Performance and Stability

Furui Tan et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Physical

Passivating Charged Defects with 1,6-Hexamethylenediamine To Realize Efficient and Stable Tin-Based Perovskite Solar Cells

Ben Ma et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2020)

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Article Materials Science, Multidisciplinary

Optimizing quality of lead-free perovskite thin film with anti-solvent engineering and co-doping SnBr2/SnF2; its solar cell performance

Ali Baltakesmez et al.

OPTICAL MATERIALS (2020)

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Article Chemistry, Physical

Stable and Efficient Tin-Based Perovskite Solar Cell via Semiconducting-Insulating Structure

Yongqi Yin et al.

ACS APPLIED ENERGY MATERIALS (2020)

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Review Chemistry, Physical

Tin-Based Defects and Passivation Strategies in Tin-Related Perovskite Solar Cells

Bo Li et al.

ACS ENERGY LETTERS (2020)

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Article Chemistry, Physical

Interface and grain boundary passivation for efficient and stable perovskite solar cells: the effect of terminal groups in hydrophobic fused benzothiadiazole-based organic semiconductors

Yanbo Gao et al.

NANOSCALE HORIZONS (2020)

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Article Multidisciplinary Sciences

Absolute energy level positions in tin-and lead-based halide perovskites

Shuxia Tao et al.

NATURE COMMUNICATIONS (2019)

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Article Multidisciplinary Sciences

Highly stable and efficient all-inorganic lead-free perovskite solar cells with native-oxide passivation

Min Chen et al.

NATURE COMMUNICATIONS (2019)

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Review Chemistry, Multidisciplinary

From Lead Halide Perovskites to Lead-Free Metal Halide Perovskites and Perovskite Derivatives

Zewen Xiao et al.

ADVANCED MATERIALS (2019)

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Review Chemistry, Multidisciplinary

Perovskite precursor solution chemistry: from fundamentals to photovoltaic applications

Minsu Jung et al.

CHEMICAL SOCIETY REVIEWS (2019)

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Article Multidisciplinary Sciences

Long-lived hot-carrier light emission and large blue shift in formamidinium tin triiodide perovskites

Hong-Hua Fang et al.

NATURE COMMUNICATIONS (2018)

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Article Chemistry, Physical

Robust Stability of Efficient Lead-Free Formamidinium Tin Iodide Perovskite Solar Cells Realized by Structural Regulation

Weiyin Gao et al.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2018)

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Article Chemistry, Physical

Solvent Engineering Improves Efficiency of Lead-Free Tin-Based Hybrid Perovskite Solar Cells beyond 9%

Xinghua Liu et al.

ACS ENERGY LETTERS (2018)

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Article Energy & Fuels

Improving Performance of Lead-Free Formamidinium Tin Triiodide Perovskite Solar Cells by Tin Source Purification

Feidan Gu et al.

SOLAR RRL (2018)

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Article Chemistry, Physical

Bifunctional Hydroxylamine Hydrochloride Incorporated Perovskite Films for Efficient and Stable Planar Perovskite Solar Cells

Hong Jiang et al.

ACS APPLIED ENERGY MATERIALS (2018)

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Article Chemistry, Physical

Highly Efficient and Stable Perovskite Solar Cells Based on Monolithically Grained CH3NH3PbI3 Film

Chengbin Fei et al.

ADVANCED ENERGY MATERIALS (2017)

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Article Chemistry, Physical

Interplay between Iodide and Tin Vacancies in CsSnI3 Perovskite Solar Cells

G. Rajendra Kumar et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2017)

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Article Chemistry, Multidisciplinary

Efficient Lead-Free Solar Cells Based on Hollow {en}MASnI3 Perovskites

Weijun Ke et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

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Article Chemistry, Multidisciplinary

Importance of Reducing Vapor Atmosphere in the Fabrication of Tin-Based Perovskite Solar Cells

Tze-Bin Song et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

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Article Chemistry, Multidisciplinary

A Breakthrough Efficiency of 19.9% Obtained in Inverted Perovskite Solar Cells by Using an Efficient Trap State Passivator Cu(thiourea)I

Senyun Ye et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

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Article Chemistry, Physical

Effects of organic cations on the defect physics of tin halide perovskites

Tingting Shi et al.

JOURNAL OF MATERIALS CHEMISTRY A (2017)

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Article Chemistry, Physical

Ascorbic acid as an effective antioxidant additive to enhance the efficiency and stability of Pb/Sn-based binary perovskite solar cells

Xiaobao Xu et al.

NANO ENERGY (2017)

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Article Chemistry, Physical

Performance Enhancement of Lead-Free Tin Based Perovskite Solar Cells with Reducing Atmosphere-Assisted Dispersible Additive

Tze-Bin Song et al.

ACS ENERGY LETTERS (2017)

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Article Multidisciplinary Sciences

Enhanced photovoltaic performance and stability with a new type of hollow 3D perovskite {en}FASnI3

Weijun Ke et al.

SCIENCE ADVANCES (2017)

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Article Chemistry, Multidisciplinary

Formation of Stable Tin Perovskites Co-crystallized with Three Halides for Carbon-Based Mesoscopic Lead-Free Perovskite Solar Cells

Cheng-Min Tsai et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2017)

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Article Nanoscience & Nanotechnology

Enhancing Efficiency and Stability of Perovskite Solar Cells through Nb-Doping of TiO2 at Low Temperature

Guannan Yin et al.

ACS APPLIED MATERIALS & INTERFACES (2017)

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Article Chemistry, Multidisciplinary

Lead-Free Inverted Planar Formamidinium Tin Triiodide Perovskite Solar Cells Achieving Power Conversion Efficiencies up to 6.22%

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Article Chemistry, Physical

Addictive-assisted construction of all-inorganic CsSnIBr2 mesoscopic perovskite solar cells with superior thermal stability up to 473 K

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Article Chemistry, Physical

Photoluminescence Lifetimes Exceeding 8 μs and Quantum Yields Exceeding 30% in Hybrid Perovskite Thin Films by Ligand Passivation

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Defects dynamics during ageing cycles of InGaN blue light-emitting diodes revealed by evolution of external quantum efficiency - current dependence

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OPTICS EXPRESS (2015)

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Lead-Free Halide Perovskite Solar Cells with High Photocurrents Realized Through Vacancy Modulation

Mulmudi Hemant Kumar et al.

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Novel superalkali superhalogen compounds (Li3)+(SH)- (SH=LiF2, BeF3, and BF4)with aromaticity:: New electrides and alkalides

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Structurally tailored organic-inorganic perovskites: Optical properties and solution-processed channel materials for thin-film transistors

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CHEMISTRY OF MATERIALS (2001)

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Dual Effects of Slow Recrystallization and Defects Passivation Achieve Efficient Tin-Based Perovskite Solar Cells with Good Stability Up to One Year

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