GB1409977A - Electrophoretic deposition of colloidal materials particularly selenium - Google Patents
Electrophoretic deposition of colloidal materials particularly seleniumInfo
- Publication number
- GB1409977A GB1409977A GB578473A GB578473A GB1409977A GB 1409977 A GB1409977 A GB 1409977A GB 578473 A GB578473 A GB 578473A GB 578473 A GB578473 A GB 578473A GB 1409977 A GB1409977 A GB 1409977A
- Authority
- GB
- United Kingdom
- Prior art keywords
- seo
- benzaldehyde
- reducing agent
- deposited
- methanol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/02—Electrophoretic coating characterised by the process with inorganic material
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Printing Plates And Materials Therefor (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
1409977 Electro-phoretic desposition; obtaining metals by reduction STANDARD TELEPHONES & CABLES Ltd 29 Jan 1974 [6 Feb 1973] 5784/73 Heading C7B A substance having an acid-soluble oxidized form e.g. Se, Te, Cd or Pb selenide, is cataphoretically deposited from an acid solution of the said form which contains a reducing agent which is ineffective in the absence of an applied current. As described, Se is deposited from an aqueous solution of SeO 2 (which exists as H 2 SeO 3 ) at PH<2.0, diluted with methanol or amyl alcohol and rendered conductive with H 2 SeO 4 . The reducing agent may be benzaldehyde, glucose, cinnamaldehyde, anisaldehyde or Na hypophosphite. Alternatively, H 2 O 2 is added to a methanol solution of SeO 2 , which is then boiled to give H 2 SeO 4 before addition of benzaldehyde and cataphoresis. At room temperature red amorphous Se is formed but at 110‹C the grey metallic form appears. The cathode may be a photo-resist masked to obtain selective deposition.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB578473A GB1409977A (en) | 1973-02-06 | 1973-02-06 | Electrophoretic deposition of colloidal materials particularly selenium |
| ZA740530A ZA74530B (en) | 1973-02-06 | 1974-01-25 | Electrophoretic deposition of selenium |
| DE2404141A DE2404141C3 (en) | 1973-02-06 | 1974-01-29 | Process for the electrophoretic deposition of selenium |
| JP49014181A JPS5075921A (en) | 1973-02-06 | 1974-02-05 | |
| FR7403717A FR2216365B1 (en) | 1973-02-06 | 1974-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB578473A GB1409977A (en) | 1973-02-06 | 1973-02-06 | Electrophoretic deposition of colloidal materials particularly selenium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1409977A true GB1409977A (en) | 1975-10-15 |
Family
ID=9802557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB578473A Expired GB1409977A (en) | 1973-02-06 | 1973-02-06 | Electrophoretic deposition of colloidal materials particularly selenium |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5075921A (en) |
| DE (1) | DE2404141C3 (en) |
| FR (1) | FR2216365B1 (en) |
| GB (1) | GB1409977A (en) |
| ZA (1) | ZA74530B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005046908A1 (en) * | 2005-09-30 | 2007-04-05 | Merck Patent Gmbh | Electrochemical deposition of gray selenium on substrate e.g. non-metal, metalloid, metal, alloy or conductive and metallized ceramic or plastics for use as photosemiconductor in photovoltaics or electronics is carried out from ionic liquid |
-
1973
- 1973-02-06 GB GB578473A patent/GB1409977A/en not_active Expired
-
1974
- 1974-01-25 ZA ZA740530A patent/ZA74530B/en unknown
- 1974-01-29 DE DE2404141A patent/DE2404141C3/en not_active Expired
- 1974-02-05 JP JP49014181A patent/JPS5075921A/ja active Pending
- 1974-02-05 FR FR7403717A patent/FR2216365B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2216365A1 (en) | 1974-08-30 |
| DE2404141B2 (en) | 1979-11-22 |
| ZA74530B (en) | 1974-11-27 |
| FR2216365B1 (en) | 1978-11-10 |
| DE2404141C3 (en) | 1980-08-21 |
| DE2404141A1 (en) | 1974-08-08 |
| JPS5075921A (en) | 1975-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |