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Title: An in-situ phosphorus source for the synthesis of Cu3P and the subsequent conversion to Cu3PS4 nanoparticle clusters

Journal Article · · Journal of Materials Research
DOI:https://doi.org/10.1557/jmr.2015.333· OSTI ID:1225436
 [1];  [2];  [1];  [1];  [1];  [1];  [1]
  1. Purdue Univ., West Lafayette, IN (United States)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)

The search for alternative earth abundant semiconducting nanocrystals for sustainable energy applications has brought forth the need for nanoscale syntheses beyond bulk synthesis routes. Of particular interest are metal phosphides and derivative I-V-VI chalcogenides including copper phosphide (Cu3P) and copper thiophosphate (Cu3PS4). Herein, we report a one-pot, solution-based synthesis of Cu3P nanocrystals utilizing an in-situ phosphorus source: phosphorus pentasulfide (P2S5) in trioctylphosphine (TOP). By injecting this phosphorus source into a copper solution in oleylamine (OLA), uniform and size controlled Cu3P nanocrystals with a phosphorous-rich surface are synthesized. The subsequent reaction of the Cu3P nanocrystals with decomposing thiourea forms nanoscale Cu3PS4 particles having p-type conductivity and an effective optical band gap of 2.36 eV.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC00112704
OSTI ID:
1225436
Report Number(s):
BNL-108511-2015-JA; KC0403020
Journal Information:
Journal of Materials Research, Journal Name: Journal of Materials Research; ISSN 0884-2914
Publisher:
Materials Research SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

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Cited By (3)

A Directed Route to Colloidal Nanoparticle Synthesis of the Copper Selenophosphate Cu 3 PSe 4 journal February 2020
Pure phase synthesis of Cu 3 PS 4 and Cu 6 PS 5 Cl for semiconductor applications journal January 2018
A Directed Route to Colloidal Nanoparticle Synthesis of the Copper Selenophosphate Cu 3 PSe 4 journal January 2020

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