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Title: Solution-Based Synthesis of Crystalline Silicon from Liquid Silane through Laser and Chemical Annealing

Journal Article · · ACS Applied Materials and Interfaces
DOI: https://doi.org/10.1021/am300334p · OSTI ID:1046826

We report a solution process for the synthesis of crystalline silicon from the liquid silane precursor cyclohexasilane (Si6H12). Polysilane films were crystallized through thermal and laser annealing, with plasma hydrogenation at atmospheric pressure generating further structural changes in the films. The evolution from amorphous to microcrystalline is characterized using scanning electron microscopy (SEM), atomic force microscopy (AFM), Raman spectroscopy and impedance spectroscopy. A four-decade enhancement in the electrical conductivity is attributed to a disorder-order transition in a bonded Si network. Lastly, our results demonstrate a potentially attractive approach that employs a solution process coupled with ambient post-processing to produce crystalline silicon thin films.

Research Organization:
North Dakota State Univ., Fargo, ND (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
Grant/Contract Number:
FG36-08GO88160
OSTI ID:
1046826
Report Number(s):
DOE/GO/88160--44
Journal Information:
ACS Applied Materials and Interfaces, Journal Name: ACS Applied Materials and Interfaces Journal Issue: 5 Vol. 4; ISSN 1944-8244
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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High-Efficiency Solar Cell with Earth-Abundant Liquid-Processed Absorber journal May 2010
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Solution processed ZnO - Challenges in processing and performance on flexible substrates: Solution processed ZnO journal May 2010
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Darstllung und Eigenschaften von Cyclopentasilan journal January 1975
Laser crystallization of amorphous silicon films investigated by Raman spectroscopy and atomic force microscopy journal March 2010
Printed silicon as diode and FET materials – Preliminary results journal May 2008
Improvement of amorphous silicon n-i-p solar cells by incorporating double-layer hydrogenated nanocrystalline silicon structure journal January 2011
Structural, electrical and photovoltaic characterization of Si nanocrystals embedded SiC matrix and Si nanocrystals/c-Si heterojunction devices journal April 2008
Fourier-transform infrared spectroscopic studies of pristine polysilanes as precursor molecules for the solution deposition of amorphous silicon thin-films journal May 2012
Effect of hydrogen plasma treatment on the surface morphology, microstructure and electronic transport properties of nc-Si:H journal September 2010
Homocyclic Silanes journal July 1995
Electron and Ambipolar Transport in Organic Field-Effect Transistors journal April 2007
Amine-Promoted Disproportionation and Redistribution of Trichlorosilane:  Formation of Tetradecachlorocyclohexasilane Dianion 1 journal August 2001
Mechanism of hydrogen-induced crystallization of amorphous silicon journal July 2002
High-mobility ultrathin semiconducting films prepared by spin coating journal March 2004
Solution-processed silicon films and transistors journal April 2006
Rapid, low-temperature synthesis of nc-Si in high-density, non-equilibrium plasmas: enabling nanocrystallinity at very low hydrogen dilution journal January 2009
Thermal transformation of solvent-processable organosilicon compounds into inorganic silicone-based thin films journal January 2011
Evolution of structure, morphology, and reactivity of hydrogenated amorphous silicon film surfaces grown by molecular-dynamics simulation journal April 2001
Stress in undoped and doped laser crystallized poly-Si journal June 2002
Hydrogen structures and the optoelectronic properties in transition films from amorphous to microcrystalline silicon prepared by hot-wire chemical vapor deposition journal April 2003
Growth and characterization of hydrogenated amorphous silicon thin films from SiH2 radical precursor: Atomic-scale analysis journal February 2004
Raman spectroscopy of strain in subwavelength microelectronic devices journal September 2005
Hydrogen-induced crystallization of amorphous silicon thin films. I. Simulation and analysis of film postgrowth treatment with H2 plasmas journal September 2006
Surface reaction probability of film‐producing radicals in silane glow discharges journal May 1990
Structural analysis of undoped microcrystalline silicon thin films deposited by PECVD technique journal June 2004
Micro-Raman spectroscopy to study local mechanical stress in silicon integrated circuits journal February 1996
A Liquid-Solution-Phase Synthesis of Crystalline Silicon journal November 1992
Low-Temperature Crystallization of Amorphous Silicon by Atmospheric-Pressure Plasma Treatment in H 2 /He or H 2 /Ar Mixture journal October 2006

Cited By (6)

Solution-Based Fabrication of Polycrystalline Si Thin-Film Transistors from Recycled Polysilanes journal June 2017
Printed Diodes: Materials Processing, Fabrication, and Applications journal January 2019
Branched Hydrosilane Oligomers as Ideal Precursors for Liquid-Based Silicon-Film Deposition journal October 2017
Branched Hydrosilane Oligomers as Ideal Precursors for Liquid-Based Silicon-Film Deposition journal October 2017
Fabrication of n-type Si nanostructures by direct nanoimprinting with liquid-Si ink journal January 2018
Nonthermal plasma synthesis of silicon nanoparticles and their thermal transport properties journal October 2018

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