# US 10,370,392 B2 · Doped hydridosilane compositions, and method for producing same

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- Number: US 10,370,392 B2
- Document ID: US10370392B2
- Status: Granted
- Kind: B2
- Application number: 16/062,195
- Filed: 2016-12-06
- Published: 2019-01-24
- Granted: 2019-08-06
- Earliest claimed: 2015-12-15
- Assignees: Evonik Degussa GmbH
- Applicants: Evonik Degussa GmbH
- Inventors: Stephan Herrmann; Odo Wunnicke; Matthias Patz; Miriam Deborah Malsch; Harald Stueger
- Web page: https://patentgrep.com/patent/US10370392B2

## CPC

- C07F 5/025: {Boronic and borinic acid compounds}
- C01B 33/04: Hydrides of silicon
- C08L 83/16: in which all the silicon atoms are connected by linkages other than oxygen atoms
- H10F 10/14: Photovoltaic cells having only PN homojunction potential barriers
- H10F 10/166: the Group IV-IV heterojunctions being heterojunctions of crystalline and amorphous materials, e.g. silicon heterojunction [SHJ] photovoltaic cells
- C08G 77/60: in which all the silicon atoms are connected by linkages other than oxygen atoms
- Y02E 10/541: CuInSe2 material PV cells
- Y02E 10/547: Monocrystalline silicon PV cells
- C07F: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM (metal-containing porphyrins C07D487/22)
- C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C}
- C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06)
- H10F: INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION

## Abstract

The present invention relates to compositions comprising at least one hydridosilane of the generic formula SinHm with n≥5 and m=(2n) and (2n+2) and at least one compound of the formula HnB (OR)3−n with R=C1-C10-alkyl, C6-C10-aryl, C7-C14-aralkyl, halogen, n=0, 1, 2, to processes for preparation thereof and use thereof.

## Claims

### Claim 1

A composition comprising:
(i) at least one hydridosilane of formula SinHm
with n≥5 and
m=(2n) to (2n+2), and
(ii) at least one compound of formula HnB(OR)3−n
with R=C1-C10-alkyl, C6-C10-aryl, C7-C14-arylalkyl, or halogen, and
n=0, 1, or 2.

### Claim 2 (depends on 1)

The composition according to claim 1,
wherein the at least one hydridosilane is a hydridosilane oligomer prepared from a hydridosilane of formula SixH2x+2 with x≥3 or a cyclic hydridosilane of formula SixH2x with x≥5.

### Claim 3 (depends on 2)

The composition according to claim 2,
wherein the hydridosilane oligomer is obtained via thermal oligomerization of a composition comprising, as hydridosilane, at least one hydridosilane of formula SixH2x+2 with x≥3-20 in the absence of a catalyst at a temperature of less than 235° C.

### Claim 4 (depends on 3)

The composition according to claim 3,
wherein the hydridosilane of the formula SixH2x+2 is neopentasilane.

### Claim 5 (depends on 2)

The composition according to claim 2,
wherein the hydridosilane of the formula SixH2x with x≥5 is cyclopentasilane.

### Claim 6 (depends on 1)

The composition according to claim 1,
wherein the compound of the formula HnB(OR)3−n has a formula HnB(OC4H9)3−n with n=1 or 2.

### Claim 7 (depends on 1)

The composition according to claim 1,
further comprising at least one solvent.

### Claim 8 (depends on 3)

The composition according to claim 3,
further comprising a hydridosilane of formula SinH2n+2 with n=5-9.

### Claim 9 (depends on 1)

A process for preparing the composition according to claim 1,
comprising mixing the at least one hydridosilane, the at least one compound of the formula HnB(OR)3−n and any further constituents.