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Are organic semiconductor heterojunctions a good charge injector?

The low and high work function metals are necessary for the effective injection of electrons and holes, respectively. Here, we introduce a fully novel design concept using organic semiconductor heterojunctions (OSHJs) as the charge injectors for achieving highly efficient OLEDs, regardless of the work functions of the electrodes.

How effective is gettering in silicon heterojunction solar cells?

Gettering is proved effective on above 26% efficiency Si solar cells Heterojunction formed at the amorphous/crystalline silicon (a-Si:H/c-Si) interface exhibits distinctive electronic characteristics for application in silicon heterojunction (SHJ) solar cells.

What is a heterojunction in solar cells?

Heterojunction formed at the amorphous/crystalline silicon (a-Si:H/c-Si) interface exhibits distinctive electronic characteristics for application in silicon heterojunction (SHJ) solar cells. The incorporation of an ultrathin intrinsic a-Si:H passivation layer enables very high open-circuit voltage (Voc) of 750 mV.

How efficient are silicon heterojunction solar cells?

Silicon heterojunction (SHJ) solar cells have achieved a record efficiency of 26.81% in a front/back-contacted (FBC) configuration. Moreover, thanks to their advantageous high VOC and good infrared response, SHJ solar cells can be further combined with wide bandgap perovskite cells forming tandem devices to enable efficiencies well above 33%.

What is a silicon heterojunction device?

Silicon heterojunction devices rely on the use of thin‐film silicon coatings on either side of the wafer to provide surface passivation and charge carrier‐selectivity. Beyond traditional indium tin oxide, multiple higher‐mobility indium‐based transparent conductive oxides have been employed successfully in HJT cells.

How efficient is a heterojunction back contact solar cell?

In 2017, Kaneka Corporation in Japan realized heterojunction back contact (HBC) solar cell with an efficiency of up to 26.7% (JSC of 42.5 mA·cm −2) 25, 26, and recently, LONGi Corporation in China has announced a new record efficiency of 27.30% 16.

27.09%-efficiency silicon heterojunction back contact solar

In this study, we produced highly efficient heterojunction back contact solar cells with a certified efficiency of 27.09% using a laser patterning technique.

Chapter 2 Semiconductor Heterostructures

reflecting the presence of an electric field and a corresponding electrostatic potential. Also note that the Fermi level in equilibrium is flat and constant throughout the device. The vacuum level …

Modeling and simulation of a high power InGaP/GaAs heterojunction …

The design of semiconductor-based heterojunction structures can be turned useful to raise the efficiency of nuclear micro-batteries. In this study, we have investigated a micro-power …

Betavoltaic battery based on reduced-Graphene-Oxide/Si heterojunction …

In our presented rGO/Si heterojunction, we have used an asymmetric finger-shape front contact, which induces an internal electric field in the rGO layer. By means of the …

Strategies for realizing high-efficiency silicon heterojunction solar ...

Silicon heterojunction (SHJ) solar cells have achieved a record efficiency of 26.81% in a front/back-contacted (FBC) configuration. Moreover, thanks to their advantageous …

(PDF) Ferroelectric Interface Effects on Thermionic …

Ferroelectric Interface Effects on Thermionic Injection-Induced Cooling in Single-Heterojunction Devices Based on Thin-film Electrode/Medium/Electrode Design June 2015 Journal of Materials ...

Dependence of mobility and charge injection on active layer …

where ({m}^{*}) is the effective mass of the charge carrier, F is the applied electric field (equivalently given by (F = frac{V}{d}), in which d is the active layer thickness), …

Heterojunction betavoltaic Si14C-Si energy converter

The connection between scientific research and technological development is to create a material that operates as a beta decay energy converter in one active zone in the …

Heterojunction

The formed internal electric field at the interface of two photocatalysts provides a driving force to boost the charges transfer (Fig. 4). For instance, Yu et al. has prepared the ultra- thin 2D/2D …

A study of improvement of HJT solar cells by electro

Improvement of amorphous silicon/crystalline silicon heterojunction solar cells (HJT cells) by electro-thermal processing with the injected current greater than the short-circuit …

Heterojunction technology: The path to high efficiency …

Hevel recently became one of the first companies to adopt its old micromorph module line for manufacturing high-efficiency silicon heterojunction (SHJ) solar cells and modules.

Heterojunction Silicon Solar Cells: Recent Developments

The absolute world record efficiency for silicon solar cells is now held by an heterojunction technology (HJT) device using a fully rear‐contacted structure. This chapter reviews the recent …

Betavoltaic battery based on reduced-Graphene-Oxide/Si heterojunction

The calculation results indicate that the ⁶³Ni/GaP–Si battery has better electrical output properties than the ⁶³Ni/Al–Si Schottky battery. These results are valuable for fabricating ...

Organic semiconductor heterojunctions: electrode …

Using a C 60 /pentacene OSHJ as an example, we systematically investigate the charge generation and injection in a C 60 /pentacene OSHJ under an external electric field and fabricate OLEDs...

Electron Injection from GaN to SiC and Fabrication of GaN/SiC ...

Characterization of n+-GaN/p−-SiC and n+-GaN/p+-SiC heterojunctions as well as fabrication of GaN/SiC heterojunction bipolar transistors (HBTs) using these …

CN115483307A

According to the invention, the quasi-Fermi level of electrons is changed in a way of electrically injecting carriers into the finished battery, so that the passivation effect of hydrogen atoms...

Silicon heterojunction solar cells achieving 26.6% efficiency on ...

Heterojunction formed at the amorphous/crystalline silicon (a-Si:H/c-Si) interface exhibits distinctive electronic characteristics for application in silicon heterojunction (SHJ) solar …

Bifunctional WO3/TiO2 heterojunction photocathode for

The TiO2/WO3 heterojunction can abate photocorrosion through the hetero-epitaxial growth of TiO2 (001) on WO3 (002) for the lattice mismatch < 3 % eliminating …

Silicon heterojunction solar cells achieving 26.6

Heterojunction formed at the amorphous/crystalline silicon (a-Si:H/c-Si) interface exhibits distinctive electronic characteristics for application in silicon heterojunction (SHJ) solar cells. The incorporation of an ultrathin …

Current Injection‐Induced Performance Enhancement in n‐Type …

Request PDF | Current Injection‐Induced Performance Enhancement in n‐Type Silicon Heterojunction Solar Cells | Silicon heterojunction (SHJ) solar cells have garnered …

Design strategies of ZnO heterojunction arrays towards …

By introducing the composite structure of NRs heterojunction array, the interface areas of heterojunction and the channel of carrier separation were increased through the strategies of energy band matching, structure …

Heterojunction technology: The path to high efficiency in mass ...

Hevel recently became one of the first companies to adopt its old micromorph module line for manufacturing high-efficiency silicon heterojunction (SHJ) solar cells and …

Organic semiconductor heterojunctions: electrode-independent …

Using a C 60 /pentacene OSHJ as an example, we systematically investigate the charge generation and injection in a C 60 /pentacene OSHJ under an external electric field …

Design strategies of ZnO heterojunction arrays towards effective ...

By introducing the composite structure of NRs heterojunction array, the interface areas of heterojunction and the channel of carrier separation were increased through the …