Results 61 to 70 of about 13,991 (262)

Structural and Luminescence Properties of SnO2 Nanostructures Via Porcine Gelatin-Assisted Synthesis

Iranian Journal of Materials Science and Engineering, 2021
Porous nanostructured SnO2 with a sheet-like morphology was synthesized through a simple green substrate-free gelatin-assisted calcination process using Tin tetracholoride pentahydrate as the SnO2 precursor and porcine gelatin as the template ...
Arian Heidar Alaghband, Azam Moosavi, Saeid Baghshahi, Ali Khorsandzak   +3 more
doaj  

Low‐Temperature Gold Deposition Improves CdTe Back Contacts

Advanced Materials Interfaces, EarlyView.
Cd(Se,Te) samples are cooled during the evaporation of Au back contacts to thermally quench CdTe degradation. Reduced temperature during Au evaporation boosts PV efficiency, open‐circuit voltage, and fill factor. XPS associates these improvements with less chemical perturbation of the CdTe surface during metallization.
Christopher P. Muzzillo, Ryan Muzzio, Craig L. Perkins, B. Edward Sartor, Matthew O. Reese, Chungho Lee   +5 more
wiley   +1 more source

Study on the properties of SnO2 thin film based on hydrolysis and its effect on perovskite solar cells

Cailiao gongcheng
The performance of the electron transport layer in perovskite solar cells is a key factor in achieving stable device efficiency and a primary consideration for flexible devices.
ZHU Yinbin, LI Yingchen, GUO Qinwen, CAI Hongkun, NI Jian, ZHANG Jianjun   +5 more
doaj   +1 more source

Spike‐Type Band Alignment via in2Se3/CuI Charge‐Transport Engineering Enables 26% Efficient Lead‐Free RbSn0.5Ge0.5I3 Perovskite Solar Cells

Advanced Materials Interfaces, EarlyView.
A lead‐free and Cd‐free RbSn₀.5Ge₀.5I3 perovskite solar cell is optimized through In2Se3/CuI charge‐transport engineering using SCAPS‐1D. Spike‐type band alignment suppresses interfacial recombination, enhances charge extraction, and achieves a power conversion efficiency of 26.01%, providing an effective strategy for high‐performance and ...
Md. Al Amin, Md. Sanwar Hossain, Md. Feroz Ali, Md Shafiul Alam, Mohammad Ali, Mohammed A. AlAqil   +5 more
wiley   +1 more source

SnO₂ AS A SENSITIVE LAYER IN GAS SENSORS FOR MEDICAL AND ENVIRONMENTAL MONITORING

Екологія, людина, суспільство
This study presents an investigation of the sol–gel synthesis of tin(IV) oxide powders intended for gas-sensor applications. The precipitates obtained via the sol–gel route were calcined at 250, 400, and 550 °C and characterized by X-ray diffraction and ...
Oleksii KLIMENKOV, Tetiana DONTSOVA
doaj   +1 more source

Flexible Pressure Sensor With Co‐Optimized Sensitivity and Linearity Based on Gradient Toroidal Microstructures

Advanced Materials Technologies, EarlyView.
A flexible piezoresistive pressure sensor with gradient toroidal CNT/PDMS microstructures is reported. The hierarchical geometry enables sequential electrode contact, achieving a sensitivity of 256.20 kPa−1 and linear response (R2 = 0.99) over 0–1000 kPa.
Rongmei Wang, Ruolin Liu, Ming Lei, Yifan Liu, Fengming Hu, Bing Ji, Chao Peng, Jianyi Luo, Bingpu Zhou   +8 more
wiley   +1 more source

Defect‐Engineered ZnO Nanowire Arrays for Flexible Room‐Temperature Hydrogen Sensors

Advanced Materials Technologies, EarlyView.
Fabrication process of patterned ZnO nucleation sites on a flexible polyimide (PI) substrate. Top/tilted‐view SEM images of ordered ZnO nanoflower arrays confined within patterned circular regions. AFM topography map with height data revealing a disk‐array structure, where the patterned regions (marked by a red dot circle) are elevated by ∼2 µm ...
Jun‐Ting Wang, Imran Khan, Jhen‐De You, Fan‐Hua Kong, Chang‐Mou Wu, Po‐Kai Chiu, Ray‐Hua Horng, Jinn P. Chu   +7 more
wiley   +1 more source

Transparent thin film transistors of polycrystalline SnO2−x and epitaxial SnO2−x

AIP Advances, 2020
We report on transparent thin film field effect transistors (TFTs) based on polycrystalline SnO2−x and epitaxial SnO2−x. Polycrystalline SnO2−x TFTs of the top and the bottom gate geometries exhibited high mobility values of 145.7 cm2/V s and 160.0 cm2/V
Yeaju Jang, Hahoon Lee, Kookrin Char
doaj   +1 more source

Recent Advances in Laser‐Induced Graphene‐Based Gas Sensors: From Sensing Mechanisms to Biomedical Applications

Advanced Science, EarlyView.
Laser‐induced graphene (LIG) provides a scalable, laser‐direct‐written route to porous graphene architecture with tunable chemistry and defect density. Through heterojunction engineering, catalytic functionalization, and intrinsic self‐heating, LIG achieves highly sensitive and selective detection of NOX, NH3, H2, and humidity, supporting next ...
Md Abu Sayeed Biswas, Ankan Dutta, Shuvendu Das, Abu Musa Abdullah, Wanqing Zhang, Fatema Tuz Zohra, Huanyu Cheng   +6 more
wiley   +1 more source

Neuromorphic Near‐Sensor and In‐Sensor Computing Enabled by Next‐Generation Material‐Based Sensors

Advanced Science, EarlyView.
This Review presents a structural framework that classifies neuromorphic sensing into near‐sensor and in‐sensor architectures, clarifying physical coupling between sensing and computation. The framework connects neural and synaptic device functions with recent advances in optical, mechanical, and chemical sensing, compares energy consumption and ...
Su Yeon Jung, Gwang Ya Kim, Sejin Kim, Hyunjong Seo, Se Gi Lee, Sang Min Won, Dongjoon Rhee, Joohoon Kang   +7 more
wiley   +1 more source