Optical simulation and experimental investigation of the crystalline silicon/black silicon/perovskite tandem structures

G Ayvazyan, F Gasparyan, V Gasparian - Optical Materials, 2023 - Elsevier
The use of a black silicon (b-Si) interlayer is a promising solution for improving the optical
properties of crystalline Si/perovskite solar cells. Optical numerical simulation of the …

NO2 Gas Sensor Based on Pristine Black Silicon Formed by Reactive Ion Etching

G Ayvazyan, K Ayvazyan, L Hakhoyan… - physica status solidi …, 2023 - Wiley Online Library
Nitrogen dioxide (NO2) is a serious environmental pollutant and can cause negative
consequences on both human health and vegetation growth. Herein, the possibility and …

Photoactive properties of transport sol-gel layers based on strontium titanate for perovskite solar cells

AV Semchenko, GY Ayvazyan… - Photonics, 2023 - mdpi.com
In this work, we have investigated the photocurrent and spectral sensitivity of the
silicon/SrTiO3: xNb/perovskite structures. The sol–gel method carried out the deposition of …

Realizing Phase‐Pure (PEA)2FAPb2I7 Perovskite Films by Inhibiting 3D Phase Formation

Y Liang, F Liu, X **e, Y Ma, Y Guan… - Advanced Functional …, 2024 - Wiley Online Library
Abstract 2D Ruddlesden–Popper (RP) layered metal‐halide perovskites have garnered
significant interest due to their unique photoelectric properties and excellent stability …

Preparation and Investigation of Vacuum-Deposited CH3NH3PbI3 – xClx Perovskite Films on Black Silicon

GY Ayvazyan, LA Hakhoyan, HR Dashtoyan… - Journal of Contemporary …, 2023 - Springer
The technology of vacuum co-deposition and sequential deposition of the mixed-halide
perovskite films (CH3NH3PbI3–x Cl x) has been optimized. The possibility of improving the …

Wide‐Range Wavelength Light Scattering from Black Silicon Layers: Profits for Perovskite/Si Tandem Solar Cells

G Ayvazyan, H Dashtoyan… - physica status solidi …, 2025 - Wiley Online Library
This study investigates the optical properties (light reflectance, absorptance, transmittance,
and scattering) of black silicon (b‐Si) layers formed using reactive ion etching method. The …

Low temperature processing of hole transport layer-free CsPbI2Br solar cells assisted by SAM co-deposition

Z Su, B Yu, Y Sun, J Zhang, H Yu - Applied Physics Letters, 2024 - pubs.aip.org
The development of inverted all-inorganic perovskite solar cells (PSCs) is limited by the high
processing temperature and poor film coverage of self-assembled molecule (SAM) hole …

Room-temperature NH3 gas sensing of S-hyperdoped silicon: Optimization through substrate resistivity

Y Li, H Li, G Feng, W Wang, B Dong, L Zhao… - Applied Physics …, 2024 - pubs.aip.org
Sulfur-hyperdoped black silicon (S-BSi) prepared by femtosecond laser-assisted etching in
SF 6 atmosphere has dual characteristics of large specific surface area and super-doped …

Properties of Vacuum-Evaporated CH3NH3PbCl3−xIx Perovskite Layers

G Ayvazyan, S Khudaverdyan, L Matevosyan… - International Conference …, 2023 - Springer
Perovskite layers as a photo absorber material are widely used in single-junction and
tandem solar cells. The characteristics of these solar cells have been greatly improved in …

Synthesis, Investigation and Neural Network Modeling of the Properties of Sol-Gel ITO/ZnO and ITO/ZnO: Mg Structures

GY Ayvazyan, KD Danilchenko, DL Kovalenko… - Journal of Contemporary …, 2023 - Springer
Abstract The ITO/ZnO and ITO/ZnO: Mg bilayer structures were fabricated by the sol-gel
method and their structural and photoelectric properties were experimentally studied. It is …