Analysis of silicon wafer surface preparation for heterojunction solar cells using X-ray photoelectron spectroscopy and effective minority carrier lifetime

10.1016/j.solmat.2018.03.006

2018-03-12

We report a systematic study on the optimal conditions for silicon surface preparation to ensure excellent passivation at the crystalline-amorphous silicon (c-Si/a-Si:H) interface of silicon heterojunction solar cells for both untextured and chemically textur...

Exploration of graphene oxide nanoribbons as excellent electron conducting network for third generation solar cells

10.1016/j.solmat.2018.01.039

2018-03-06

The future of third generation Quantum dot sensitized solar cells (QDSSCs) can be optimistic if concerns of charge recombination and stability of cells can be worked upon. In this work, we report the role of Graphene materials in its different dimension in ov...

Fatigue crack growth in Silicon solar cells and hysteretic behaviour of busbars

10.1016/j.solmat.2018.02.016

2018-02-23

Photovoltaic modules are subject to cyclic deformation during their lifetime as a result of vibration, applied loads, and thermal effects. Vibration and applied loads induce cyclic bending on the modules, while operating temperature excursions during the day ...

Advanced light management techniques for two-terminal hybrid tandem solar cells

10.1016/j.solmat.2018.02.017

2018-02-23

Multi-junction solar cells are considered for various applications, as they tackle various loss mechanisms for single junction solar cells. These losses include thermalization and non-absorption below the band gap. In this work, a tandem configuration compris...

Development of porous TiO2 nanofibers by solvosonication process for high performance quantum dot sensitized solar cell

10.1016/j.solmat.2018.01.042

2018-02-13

In the present study, we synthesized TiO2 nanofibers (NFs) by electrospinning technique and they were subject to solvosonication process using glycerol as a pore forming agent to produce porous TiO2 NFs. The prepared porous TiO2 NFs are seen to improve the li...

Optimization of DMSO-based precursor solution by H2O additive for performance enhancement of kesterite photovoltaic devices

10.1016/j.solmat.2018.02.001

2018-02-13

Dimethyl sulfoxide (DMSO) based solution has been proven promising in preparing high-quality Cu2ZnSn(S,Se)4 (CZTSSe) absorbers. In the present work, H2O is used as a simple and effective additive to optimize the film formation of DMSO based CZTS precursor. It...

Scattering enhanced quantum dots based luminescent solar concentrators by silica microparticles

10.1016/j.solmat.2018.01.029

2018-02-10

Luminescent solar concentrator (LSC) integrated with c-Si photovoltaic cells (PV cells) in building integrated photovoltaics (BIPV) could grow up to be an important element of our life for energy harvest in the future. Heavy metal free quantum dots (QDs) are ...

Management of light trapping capability of AZO film for Si thin film solar cells-via tailoring surface texture

10.1016/j.solmat.2018.01.036

2018-02-10

In this paper, novel micro- and nano-composite Al-doped ZnO (AZO) films with broadband-gap light-trapping capacity was successfully fabricated by post-chemical-etching AZO film and re-sputtering self-textured H and Al co-doped ZnO (HAZO) film. The influence o...

One-pot synthesis of light-driven polymeric composite phase change materials based on N-doped porous carbon for enhanced latent heat storage capacity and thermal conductivity

10.1016/j.solmat.2018.01.035

2018-02-09

Light-driven, improved thermal conductivity and effective phase change enthalpy of polymeric composite material was prepared by one-pot synthesis approach based on the introduction of chromophoric polymer phase change material in nitrogen-doped porous carbon ...

Properties of mixed phase silicon-oxide-based passivating contacts for silicon solar cells

10.1016/j.solmat.2017.12.030

2018-02-07

We investigate the properties of an electron selective front contact based on a phosphorous doped mixed-phase SiOxSiOx/Si layer stack at device level. The addition of the SiOxSiOx phase to the Si layer targets reduced optical absorption, pursuing the goal of ...