Results 191 to 200 of about 44,543 (314)

Studies into the detection of buried objects (particularly optical fibres) in saturated sediment. Part 5: an acousto-optic detection system

open access: yes, 2007
This report is the last in a series of five, designed to investigate the detection oftargets buried in saturated sediment, primarily through acoustical or acoustics-relatedmethods. Although steel targets are included for comparison, the major interest is
Evans, R.C.P.
core  

High Light Utilization and Color Rendering in Vacuum‐Deposited Semitransparent Perovskite Solar Cells

open access: yesAdvanced Materials, EarlyView.
In this work, low bandgap (≈1.55 eV) semitransparent perovskite solar cells (ST‐PSCs) having thin (thickness < ≈100 nm) perovskite layers and transparent conductive oxide‐based rear electrodes are fabricated using vacuum‐deposition methods. Two different ST‐PSCs demonstrated a high light utilization efficiency value of 4.2 (PCE: 9.26% and AVT: 45.3 ...
Abhyuday Paliwal   +9 more
wiley   +1 more source

Electrically Readable Lateral Flow Assay Using Organic Transistors for Diagnostic Applications

open access: yesAdvanced Materials, EarlyView.
Electrolyte‐gated organic field‐effect transistors (EGOFETs) are integrated with lateral flow (LF) paper fluidics to create a reusable, portable, and low‐cost point‐of‐care (PoC) diagnostic test. The devices are validated for Human Immunoglobulin G detection, achieving high sensitivity (0.1 fm), selectivity, and reproducibility with rapid results in 20–
María Jesús Ortiz‐Aguayo   +4 more
wiley   +1 more source

Fiber Sensing with Interconnection in Volume Holograms Through Random Phase Encoding

open access: yes, 2014
[[abstract]]An all-optical fiber sensing system with interconnection in volume holograms through random phase encoding has been demonstrated. The random phase is generated from the speckles of a multi-mode fiber.
Su, Wei-Chia; Sun, Ching-Cherng; Chen, Yi-Ming
core  

Dual-Mode Comb Plasmonic Optical Fiber Sensing. [PDF]

open access: yesACS Sens
Villatoro E   +4 more
europepmc   +1 more source

Polymorph‐Specific Electronic Transduction in WO3 during Molecular Sensing

open access: yesAdvanced Materials, EarlyView.
Metal‐oxide polymorphs with similar surface chemistry can nevertheless exhibit distinct sensing properties. In γ‐ and ε‐WO3, analyte adsorption appears comparable; yet, only ε‐WO3 induces a pronounced lattice electronic perturbation that accommodates charge in sub‐conduction band minimum states.
Matteo D'Andria   +6 more
wiley   +1 more source

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