{"product_id":"bi-s-bismuth-sulfide","title":"Bi₂S₃ (Bismuth Sulfide)","description":"\u003cp\u003e\u003cstrong\u003eBi₂S₃\u003c\/strong\u003e is a layered orthorhombic semiconductor (space group Pnma) built from ribbon-like Bi–S chains stacked into sheets, with a band gap of about 1.3 eV. It is widely studied for photodetectors, thin-film solar absorbers and thermoelectric devices.\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eGrowth method: Chemical vapor transport (CVT).\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSample specifications: Individual crystals measure approximately 3–4 mm, with a purity of up to 99.999% (5N), and 2–3 high-quality single-crystal pieces included in each package.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eExfoliation: Moderate — the layered structure cleaves into thin flakes and nanoribbons by mechanical exfoliation.\u003c\/span\u003e\u003c\/p\u003e","brand":"2D Material Supermarket","offers":[{"title":"Default Title","offer_id":54199390830776,"sku":null,"price":3986.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/0069\/4200\/files\/max-ll-group-logo_1369f035-fbd9-4139-9226-b46b8901d2b4.jpg?v=1790594264","url":"https:\/\/2dmaterialsupermarket.com\/products\/bi-s-bismuth-sulfide","provider":"2D Material Supermarket","version":"1.0","type":"link"}