Light-Sensitive Devices TRIZ Cases

A step-surface solar cell plate integrates bypass diodes beside the subcell to limit reverse bias, avoid hot spots, and preserve light transmission.

Different compounds in the emission and transport layers improve carrier balance, cut leakage current, and lower OLED driving voltage.

A layered filter-sensor stack blocks UV, visible, and NIR stray light while preserving accurate infrared transmissivity and reflectance sensing.

Acid-base adduct doping of PTAA improves hole mobility and resists humidity, heat, and oxygen-driven instability in perovskite devices.

Cu3Bi2I9 nanoparticle electrodes and a PVP gel electrolyte combine light harvesting and energy storage in one compact supercapacitor.

Vapor transport deposition forms uniform perovskite precursor layers at above 0.1 Torr, reducing defects and vacuum complexity for scalable PV fabrication.

Uniformly doped nickel oxide targets made by plasma spraying improve hole transport layer band gap, spectral response, and process stability.

Controlled compressive stress and center tension let thinner chemically strengthened cover glass maintain drop resistance.

An interfacial film between the perovskite layer and hole-transporting layer helps solar cells retain efficiency under prolonged high illuminance.

A mixed tertiary and secondary amine pyridine hole-transporting layer stabilizes photoelectric output and power generation under low illuminance.

Integrated photovoltaic cells in the wristband harvest indoor and outdoor light to recharge the battery and reduce watch battery replacement.

A layered transparent DSSC diffuser captures wasted LED light while preserving diffusion, transmission, and adjustable color output.

Strong halogen and hydrogen bonding in A-site cation cages stabilizes Ge octahedral perovskites for direct bandgaps and higher mobility.

A tuned reflection layer redirects strongly absorbable visible light back into the photoelectric conversion layer to raise current density and efficiency.

BiVO4 and PEDOT layers on bonded FTO glass merge light conversion and charge storage to cut device area and weight while enabling rapid cycling.

A flexible metal substrate and metal-doped TiO2 layer maintain perovskite cell efficiency without high-temperature annealing.

A laminated silicone and p-type metal oxide layer improves gas barrier performance, adhesion, and lifespan in organic electronic devices.

Nanopatterned hole transport and back electrode layers boost light scattering in thin perovskite quantum dot solar cells without longer carrier diffusion paths.

Low-temperature EVA, olefin, and butyl rubber encapsulation protects perovskite cells from heat and moisture while preserving ribbon alignment.

A porous substrate and layer stack hold charge-conducting medium by capillary action, easing roll-to-roll assembly and reducing electrolyte loss.

A single-step AACVD process forms homogeneous CeO2-TiO2 films with strong interface contact, improving photocatalytic activity and stability.

Polymer electrolyte passivation layers suppress halide ion elution in perovskite solar cells, improving heat, light, and air stability.

A crosslinked hydrogel membrane holds iodide ions to limit electrolyte leakage while preserving ionic conductivity in dye-sensitized solar cells.

A single-step AACVD route forms homogeneous CeO2-TiO2 films with better interface contact, high photocurrent density, and prolonged photo stability.

A glass-based silicon-perovskite tandem layout widens light capture while reducing interface optical losses and limiting manufacturing re-tooling.

Porous conductive electrode pores trap mixed electron-donating microorganisms to raise current density and shorten microbial cell startup time.

Phosphorescent donor particles store high-energy light and re-emit it to acceptor particles, boosting solar cell output in daylight and darkness.

A reflection layer tuned to strongly reflect visible wavelengths the active layer can absorb boosts charge generation and photoelectric conversion efficiency.

CO2 bubbling under UV light speeds p-doping of organic semiconductor solutions, improving conductivity and reducing ambient-dependent process time.

A charge separator, insulative polarizer, and light incidence switcher convert continuous light into sustained AC output without external power.

Controlled annealing of sol-gel BiVO4 thin films creates porosity and oxygen vacancies to improve charge transport and reduce recombination.

Photosynthetic microbes and electron siphons generate electricity across broad light wavelengths with simpler fabrication and stable operation.

A 4Tm capping layer passivates perovskite interfaces, improves charge extraction, and suppresses ion migration under illumination.

Aqueous printing and reaction curing form nanoscale PV layers at room temperature, avoiding vacuum steps, sintering, and early degradation.

A front-side print layer with tuned transparency preserves solar output while keeping rear-surface visibility and panel aesthetics.

Gap-filled semiconductor or perovskite layers turn tile boundaries into active sensing regions, improving large-area X-ray and gamma imaging.

A conductive block through the semiconductor layer links photodiode electrodes without short circuits or high resistance in miniaturized layouts.

Metal-coated groove faces are kept electrically separate to avoid shorts, share voltage across grooves, and simplify high-voltage energy storage.

Selective NIR-absorbing pyrrolopyrrole cyanine dyes raise DSSC efficiency while keeping visible absorption low for colorless solar cells.

Non-stoichiometric perovskite ink with Cs, FA, and rare earth additives enables scalable blading of stable, efficient large-area solar modules.

Combining hydropower turbines, piezoelectric nanogenerators, and solar cells helps maintain electricity generation under low flow and variable sunlight.

A sealed ammonia and inert-gas cavity suppresses amine cation migration in perovskite solar cells, improving thermal stability and service life.

A metal-oxide electron transport layer with an XPS oxygen peak ratio of Y/(X+Y) ≥ 0.5 suppresses light-induced efficiency loss in flexible photoelectric conversion.

Filled apertures add color, fluorescence, and moisture resistance to semi-transparent photovoltaic cells without complex translucency processes.

Phosphorescent donor particles store high-energy light and re-emit it to acceptors, extending solar cell output beyond daylight.

Hydrophilic regions bounded by hydrophobic edges confine precursor spreading to form shape-specific perovskite films with consistent thickness.

Controlling solvent in an asymmetric-lithium-salt hole-transport layer limits phase separation and preserves output under low light and temperature shifts.

A conformal transport layer blocks perovskite-metal contact, limiting halide-driven degradation while preserving conductive rear electrodes.

Ammonia gas in a sealed perovskite solar cell cavity inhibits cation migration and decomposition, extending thermal stability, efficiency, and life.

An edge-covering electrode layer shields the exposed perovskite end from water, preventing decomposition and short circuits in tandem cells.

Selective print-layer transparency on the light-receiving side preserves rear-side visibility while keeping solar module current output at 0.6 or more.

Mild sputtering over a fullerene and energy alignment layer forms a metal oxide barrier without harming perovskite integrity or charge transport.

A perovskitoid surface layer passivates perovskite defects and eases charge extraction, improving solar cell stability and efficiency.

Screen printing applies dye evenly to a porous semiconductor layer, improving photoelectric conversion efficiency and cell appearance.

A self-assembled monolayer on TCOs enables hole transport with minimal absorption, low material use, and conformal coverage on textured surfaces.

A three-tandem perovskite-silicon cell uses porous silicon, buried contacts, and antireflection layers to boost absorption and current collection.

NHC ligands and pi-conjugated units help iron photosensitizers avoid ultrafast quenching, absorb visible light, and inject charge efficiently.

Fe/Cr metal complexes use tailored ligands to extend charge-transfer lifetimes, enabling lower-cost solar harvesting and photocatalysis.

Micropores through the hole-blocking layer create a low-resistance output terminal while preserving photoelectric conversion under weak light.

Segmented carbon nanotube layers resolve the power conversion efficiency versus visible light transmittance tradeoff in window-integrated photovoltaics.